Publication List

Refereed paper

  1. Takumi Komiyama, Taiichi Shikama, Kazuaki Hanada, Takeshi Ido2, Takumi Onchi, Kaori Kono, Akira Ejiri, Makoto Hasegawa, Satoshi Inoue, Masahiro Hasuo, Hiroshi Idei, Qilin Yue2, Kengo Kuroda, Aki Higashijima and Pakkapawn Prapan
    Comparison of electron temperature and density measured by helium line intensity ratio and Thomson scattering methods in ECH spherical tokamak plasma
    Plasma Phys. Control. Fusion 66 (2024) 045018 (8 Pages, March 6, 2024)
  2. Yiming TIAN, Akira EJIRI, Naoto TSUJII, Yuting LIN, Kouji SHINOHARA, Seowon JANG, Yi PENG, Kotaro IWASAKI and Fumiya ADACHI
    Spectroscopic Study of Molybdenum Impurity Generation in LHW Sustained Plasmas on TST-2 Spherical Tokamak
    Plasma and Fusion Research 19, 1402010 (2024) (Feb. 15, 2024, 6 Pages) DOI: 10.1585/pfr.19.1402010
  3. Kotaro IWASAKI, Akira EJIRI, Naoto TSUJII, Kouji SHINOHARA, Osamu WATANABE, Seowon JANG, Yi PENG, Yuting LIN, Fumiya ADACHI and Tian YIMING
    Anomalous Ion Heating in Lower Hybrid Wave Sustained Plasmas on the TST-2 Spherical Tokamak Device
    Plasma and Fusion Res. 18, 1402089 (2023) (Dec. 8, 2023, 4pages) DOI: 10.1585/pfr.18.1402089
  4. K. Kuroda R. Raman, T. Onchi, M. Hasegawa, K. Hanada, M. Ono, B.A. Nelson, J. Rogers, R. Ikezoe, H. Idei, T. Ido, M. Nagata, O. Mitarai, N. Nishino, Y. Otsuka, Y. Zhang, K. Kono, S. Kawasaki, T. Nagata, A. Higashijima, S. Shimabukuro, I. Niiya, I. Sekiya, K. Nakamura, Y. Takase, A. Ejiri9 and S. Murakami
    Demonstration of transient CHI startup using a floating biased electrode configuration
    Nucl. Fusion 64 014002 (2024) (7 Pages, Dec. 1, 2023) DOI 10.1088/1741-4326/ad0dd6
  5. Y. Ko, N. Tsujii, A. Ejiri, O. Watanabe, S. Jang, K. Shinohara, K. Iwasaki, Y. Peng, Y. Lin, Y. Shirasawa, T. Hidano, F. Adachi and Y. Tian,
    Development of an outer-off-midplane lower hybrid wave launcher for improved core absorption in non-inductive plasma start-up on TST-2
    Nuclear Fusion, 63, 126015 (2023) (Sep. 25, 2023, 10 Pages) DOI 10.1088/1741-4326/acf5ff
  6. N. Yoneda, T. Shikama, F. Scotti, K. Hanada, H. Iguchi, H. Idei, T. Onchi, A. Ejiri, T. Ido, K. Kono, Y. Peng, Y. Osawa, G. Yatomi, A. Kidani, M. Kudo, R. Hiraka, K. Takeda, R.E. Bell, A. Maan, D.P. Boyle, R. Majeski, V.A. Soukhanovskii, M. Groth, A.G. McLean, R.S. Wilcox, C. Lasnier, K. Nakamura, Y. Nagashima, R. Ikezoe, M. Hasegawa, K. Kuroda, A. Higashijima, T. Nagata, S. Shimabukuro, I. Niiya, I. Sekiya and M. Hasuo
    Spectroscopic measurement of increases in hydrogen molecular rotational temperature with plasma-facing surface temperature and due to collisional-radiative processes in tokamaks
    Nuclear Fusion, 63, 096004 (2023) (Jul. 27, 2023, 16 pages) DOI 10.1088/1741-4326/acd4d1
  7. Naoto TSUJII, Iwao YAMADA, Yongtae KO, Akira EJIRI, Kouji SHINOHARA, Osamu WATANABE, Seowon JANG, Yi PENG, Kotaro IWASAKI, Yuting LIN, Yuita SHIRASAWA, Taichi HIDANO, Yiming TIAN and Fumiya ADACHI
    Kinetic Analysis of the Characteristics of Electron Cyclotron Heating Assisted Ohmic Start-Up in the Trapped Particle Configuration of a Tokamak
    Plasma and Fusion Res. 18, 1402051 (2023) (Jul 14, 2023, 10 Pages) DOI: 10.1585/pfr.18.1402051
  8. Akira EJIRI, Yu-Ting LIN, Seowon JANG, Yi PENG, Kouji SHINOHARA, Takeshi IDO, Kaori KONO and Yoshihiko NAGASHIMA, Design Study of a Line Integrated Thomson Scattering System for TST-2 Spherical Tokamak Device
    Plasma and Fusion Res. 18, 2402025 (2023) (Apr. 27, 2023, 8 pages) DOI: 10.1585/pfr.18.2402025
  9. Kaori KONO, Takeshi IDO, Akira EJIRI, Kazuaki HANADA, Qilin YUE, Makoto HASEGAWA, Yi PENG, Seiya SAKAI, Ryuya IKEZOE, Hiroshi IDEI, Syoji KAWASAKI, Kengoh KURODA, Takumi ONCHI, Yoshihiko NAGASHIMA and Seowon JANG
    Development of Thomson Scattering Measurement System for Long Duration Discharges on the QUEST Spherical Tokamak
    Plasma and Fusion Research,18, 1405012 (2023) (Feb 24, 2023, 4 pages )DOI: 10.1585/pfr.18.1405012
  10. Kouji SHINOHARA, Osamu WATANABE, Akira EJIRI, Naoto TSUJII, Seowon, JANG, Yi PENG, Kotaro IWASAKI, Yu-Ting LIN, Yongtae KO, Yuita SHIRASAWA, Taichi HIDANO, Yiming TIAN and Fumiya ADACHI
    Design of Probe to Investigate Energetic Electrons in Lower Hybrid Wave Plasmas in the TST-2 Spherical Tokamak
    Plasma and Fusion Research 18, 2402006 (2023) (Feb 17, 2023, 6 Pages)
  11. T. Tokuzawa, T. Nasu, S. Inagaki, C. Moon, T. Ido, H. Idei, A. Ejiri, R. Imazawa, M. Yoshida, N. Oyama, K. Tanaka, and K. Ida
    3D metal powder additive manufacturing phased array antenna for multichannel Doppler reflectometer
    Rev. Sci. Instrum. 93, 113535 (2022).(Nov. 14, 2022, 6 pages) doi: 10.1063/5.0101723
  12. T. Nasu, T. Tokuzawa, T.I. Tsujimura, K. Ida, M. Yoshinuma, T. Kobayashi, K. Tanaka, M. Emoto, S. Inagaki, A. Ejiri, and J. Kohagura
    Receiver circuit improvement of dual frequency-comb ka-band Doppler backscattering system in the large helical device (LHD)
    Rev. Sci. Instrum. 93, 113535 (2022).(Nov. 4, 2022, 5 pages) doi: 10.1063/5.0101588
  13. Yu-Ting LIN, Akira EJIRI, Kouji SHINOHARA, Yi PENG and Seowon JANG
    Feasibility Study of
  14. Line Integrated Backward Thomson Scattering Measurement in Nuclear Fusion Reactors
    Plasma and Fusion Research 17, 1405098 (2022) (Sep 14, 2022, 9 Pages) DOI: 10.1585/pfr.17.1405098
  15. Akira EJIRI, Hibiki YAMAZAKI, Yuichi TAKASE, Naoto TSUJII, Osamu WATANABE, Yi PENG, Kotaro IWASAKI, Yuki AOI, Yongtae KO, Kyohei MATSUZAKI, James H.P. RICE, Yuki OSAWA, Charles P. MOELLER, Yasuo YOSHIMURA, Hiroshi KASAHARA, Kenji SAITO, Tetsuo SEKI and Shuji KAMIO
    A Fast Electron Transport Model for Lower Hybrid Wave Sustained Plasmas
    Plasma and Fusion Res. 17, 1402037 (2022) (May. 13, 2022, 10 pages) DOI: 10.1585/pfr.17.1402037
  16. Tokihiko Tokuzawa, Shigeru Inagaki, Michiaki Inomoto, Akira Ejiri, Tatsuhiro Nasu, Toru Ii Tsujimura and Katsumi Ida
    Application of Dual Frequency Comb Method as an Approach to Improve the Performance of Multi-Frequency Simultaneous Radiation Doppler Radar for High Temperature Plasma Diagnostics
    Applied Sciences 12, 4744 (2022) (May 8, 2022, 13 Pages)
    https://doi.org/10.3390/app12094744
  17. M. Yoshida, G. Giruzzi, N. Aiba, J.F. Artaud, J. Ayllon-Guerola, L. Balbinot, O. Beeke, E. Belonohy, P. Bettini, W. Bin, A. Bierwage, T. Bolzonella, M. Bonotto, C. Boulbe, J. Buermans, M Chernyshova, S. Coda, R. Coelho, S. Davis, C. Day, G.De Tommasi, M.Dibon, A.Ejiri, G.Falchetto, A. assina, B.Faugeras, L. Figini, M. Fukumoto, S. Futatani, K. Galazka, J. Garcia, M. Garcia-Munoz, L. Garzotti, L. Giacomelli, L. Giudicotti, S. Hall, N. Hayashi, C. Hoa, M. Honda, K. Hoshino, M. Iafrati, A. Iantchenko, S. Ide, S. Iio, R. Imazawa, S. Inoue, A. Isayama, E. Joffrin, K. Kamiya, Y. Ko, M. Kobayashi, T. Kobayashi, G. Kocsis, A. Kovacsik, T. Kurki-Suonio, B Lacroix, P. Lang, Ph. Lauber, A. Louzguiti, E.de la Luna, G. Marchiori, M. Mattei, A. Matsuyama, S. Mazzi, A. Mele, F. Michel, Y. Miyata, J. Morales, P. Moreau, A. Moro, T. Nakano, M. Nakata, E. Narita, R. Neu, S. Nicollet, M. Nocente, S. Nowak, F.P. Orsitto, V. Ostuni, Y. Ohtani, N. Oyama, R. Pasqualotto, B. Pegourie, E. Perelli, L. Pigatto, C. Piccinni, A. Pironti, P. Platania, B. Ploeckl, D. Ricci, P. Roussel, G. Rubino, R. Sano, K. Särkimäki, K. Shinohara, S. Soare, C. Sozzi, S. Sumida, T. Suzuki, Y. Suzuki, T. Szabolics T. Szepesi, Y. Takase, M. Takech, N. Tamura, K. Tanaka, H. Tanaka, M. Tardocchi, A. Terakado, H. Tojo, T. Tokuzawa, A. Torre, N. Tsujii, H. Tsutsui, Y. Ueda, H. Urano, M. Valisa, M. Vallar, J. Vega, F. Villone, T. Wakatsuki, T. Wauters, M. Wischmeier, S. Yamoto, L. Zani,
    Plasma physics and control studies planned in JT-60SA for ITER and DEMO operations and risk mitigation
    Plasma Physics and Controlled Fusion, 64, 054004 (2022) (Mar. 22, 2022, 12 Pages) https://doi.org/10.1088/1361-6587/ac57a0
  18. O. Watanabe and Y. Ko and N. Tsujii and Y. Takase and A. Ejiri and K. Shinohara and Y. Peng and K. Iwasaki and I. Yamada and G. Yatomi and C.P. Moeller and Y.-K.M. Peng
    Design of a finline antenna for current drive in TST-2
    Fusion Engineering and Design, 178, 113094 (2022) (Mar. 17, 2022, 8 Pages)https://doi.org/10.1016/j.fusengdes.2022.113094
  19. Y. Kamada and E. Di Pietro and M. Hanada and P. Barabaschi and S. Ide and S. Davis and M. Yoshida and G. Giruzzi and C. Sozzi and the JT-60SA Integrated Project Team
    Completion of JT-60SA construction and contribution to ITER
    Nuclear Fusion, 62, 042002 (2022) (Mar. 1, 2022, 18 pages) DOI: https://doi.org/10.1088/1741-4326/ac10e7
  20. Yuichi Takase, Akira Ejiri, Takaaki Fujita, Kazuaki Hanada, Hiroshi Idei, Masayoshi Nagata, Takumi Onchi, Yasushi Ono, Hitoshi Tanaka, Naoto Tsujii, Masaki Uchida, Kohei Yasuda, Hiroshi Kasahara, Sadayoshi Murakami, Yasuhiko Takeiri, Y Todo, Shunji Tsuji-Iio1 and Yutaka Kamada
    Overview of coordinated spherical tokamak research in Japan
    Nuclear Fusion, 62, 042011 (2022) (Feb. 14, 2022, 15 Pages) DOI: https://doi.org/10.1088/1741-4326/ac29cf
  21. N. Tsujii, Y. Takase, A. Ejiri, O. Watanabe, H. Yamazaki, Y. Peng, K. Iwasaki, Y. Aoi, Y. Ko, K. Matsuzaki, J.H.P. Rice, Y. Osawa, C.P. Moeller, Y. Yoshimura
    Modification of the magneto-hydrodynamic equilibrium by the lower-hybrid wave driven fast electrons on the {TST}-2 spherical tokamak
    Nuclear Fusion 61 116047 (2021) (Oct 11, 2021, pages) DOI: https://doi.org/10.1088/1741-4326/ac217d
  22. Akira EJIRI, Mafumi HIRATA, Makoto ICHIMURA, Masayuki YOSHIKAWA, Ryuya IKEZOE and Shuji KAMIO
    Development of a Fast Visible Light Measurement System for the Study of Ion Cyclotron Range of Frequency Waves in GAMMA 10/PDX Plasmas
    Plasma and Fusion Research 16, 1402096 (2021) (Sep. 17, 2021, 7 Pages) DOI: 10.1585/pfr.16.1402096
  23. Shinichiro Kojima, Kazuaki Hanada, Hiroshi Idei, Takumi Onchi, Ryuya Ikezoe, Yoshihiko Nagashima, Makoto Hasegawa, Kengoh Kuroda, Kazuo Nakamura, Aki Higashijima, Takahiro Nagata, Shoji Kawasaki, Shun Shimabukuro, Hatem Elserafy, Masaharu Fukuyama, Akira Ejiri, Taiichi Shikama, Nao Yoneda, Ryota Yoneda, Tsuyoshi Kariya, Yuichi Takase, Sadayoshi Murakami, Nicola Bertelli and Masayuki Ono
    Observation of second harmonic electron cyclotron resonance heating and current-drive transition during non-inductive plasma start-up experiment in QUEST
    Plasma Physics and Controlled Fusion, 2021, 63(10), 105002 (Aug 27, 2021, 9 pages) DOI: 10.1088/1361-6587/ac1838
  24. Yongtae KO, Naoto TSUJII, Yuichi TAKASE, Akira EJIRI, Osamu WATANABE, Hibiki YAMAZAKI, Kotaro IWASAKI, Peng YI, James H.P. RICE, Yuki OSAWA, Takuma WAKATSUKI, MaikoYOSHIDA and Hajime URANO
    Optimization of Poloidal Field Configuration for Electron Cyclotron Wave Assisted Low Voltage Ohmic Start-Up in TST-2
    Plasma and Fusion Res. 16, 1402056 (2021) (Apr. 21, 2021, 6 pages) DOI: 10.1585/pfr.16.1402056
  25. T. Tokuzawa, K. Tanaka, T. Tsujimura, S. Kubo, M. Emoto, S. Inagaki, K. Ida, M. Yoshinuma, K. Y. Watanabe, H. Tsuchiya, A. Ejiri, T. Saito, K. Yamamoto, and LHD Experiment GroupA
    W-band millimeter-wave back-scattering system for high wavenumber turbulence measurements in LHD
    Rev. Sci. Instrum. 92, 043536 (2021) (Apr. 13, 2021, 5 Pages); https://doi.org/10.1063/5.0043474
  26. Yi PENG, Akira EJIRI, Yuichi TAKASE, Naoto TSUJII, Osamu WATANABE, Kotaro IWASAKI, Yongtae KO, James Hamilton Palmer RICE, Yuki OSAWA, Go YATOMI, Iwao YAMADA, Takeshi IDO, Yoshihiko NAGASHIMA and Kaori KONO
    Investigation on Double-Pass Configurations for Thomson Scattering Measurements
    Plasma and Fusion Research 16, 1402027 (2021)(Mar 12, 2021, 9 pages) DOI: 10.1585/pfr.16.1402027
  27. N.Yoneda, T.Shikama, K.Hanada, S.Mori, T.Onchi, K.Kuroda, M.Hasuo, A.Ejiri, K.Matsuzaki, Y.Osawa, Y.Peng, Y.Kawamata, S.Sakamoto, H.Ideib, T.Ido, K.Nakamura, Y.Nagashima, R.Ikezoe, M.Hasegawa, A.Higashijima, T.Nagata, S.Shimabukuro
    Toroidal flow measurements of impurity ions in QUEST ECH plasmas using multiple viewing chords emission spectroscopy
    Nuclear Materials and Energy 26, 100905 (2021) (Jan 13, 2021, 7 pages) https://doi.org/10.1016/j.nme.2021.100905, doi.org/10.1016/j.nme.2021.100905
  28. T. Onchi, H. Idei, M. Fukuyama, D. Ogata, R. Ashida, T. Kariya, A. Ejiri, K. Matsuzaki, Y. Osawa, Y. Peng, S. Kojima, O. Watanabe, M. Hasegawa, K. Nakamura, K. Kuroda, R. Ikezoe, T. Ido, K. Hanada, N. Bertelli, M. Ono, and A. Fukuyama
    Non-inductive plasma current ramp-up through oblique injection of harmonic electron cyclotron waves on the QUEST spherical tokamak
    Physics Plasmas 28, 022505 (2021) (Feb. 3, 2021, 12 Pages); https://doi.org/10.1063/5.0031357, doi: 10.1063/5.0031357
  29. Yoshio NAGAYAMA, Akira EJIRI, Yuichi TAKASE, Naoto TSUJII, Hideya NAKANISHI, Masaki OHSUNA, Hayato TSUCHIYA and Soichiro YAMAGUCH
    Measurement of Electron Density Fluctuations Using O-Mode Microwave Imaging Reflectometry in a TST-2 Spherical Tokamak
    Plasma and Fusion Res. 15, 2402060 (2020) (Aug. 19, 2020, 5 Pages) DOI: 10.1585/pfr.15.2402060
  30. Satoru Mori, Taiichi Shikama, Kazuaki Hanada, Nao Yoneda, Arseniy A. Kuzmin , Masahiro Hasuo, Hiroshi Idei, Takumi Onchi, Akira Ejiri, Yuki Osawa, Yi Peng, Kyohei Matsuzaki, Shinichiro Kado, Keiji Sawada, Takeshi Ido, Kazuo Nakamura, Ryuya Ikezoe, Yoshihiko Nagashima, Makoto Hasegawa, Kengo Kuroda, Aki Higashijima, Takahiro Nagata and Shun Shimabukuro
    Spectroscopic Measurement of Hydrogen Atom Density in a Plasma Produced with 28 GHz ECH in QUEST
    Atoms 8, 44 (2020) (Aug 18, 2020, 8 Pages) DOI: https://doi.org/10.3390/atoms8030044
  31. Akira EJIRI, Yuki AOI, Hibiki YAMAZAKI, Naoto TSUJII, Yuichi TAKASE, Osamu WATANABE, Yongtae KO, James H.P. RICE, Yi PENG, Kotaro IWASAKI, Kyohei MATSUZAKI, Yuki OSAWA and Yasuo YOSHIMURA
    Development of a Compact Hard X-Ray Camera on the TST-2 Spherical Tokamak
    Plasma and Fusion Res. 15, 1202023 (2020) (May 11, 2020, 2 Pages) DOI: 10.1585/pfr.15.1202023
  32. James H.P. RICE, Naoto TSUJII, Yuichi TAKASE, Akira EJIRI, Osamu WATANABE, Hibiki YAMAZAKI, Yi PENG, Kotaro IWASAKI, Yuki AOI, Yongtae KO, Kyohei MATSUZAKI and Yuki OSAWA
    Langmuir Probe Measurements of Scrape-Off Layer Conditions in RF-Driven Plasmas in TST-2
    Plasma and Fusion Res. 15, 2402009 (2020) (Apr. 6, 2020, 4 Pages) DOI: 10.1585/pfr.15.2402009
  33. Naoto TSUJII, Yusuke YOSHIDA, Yuichi TAKASE, Akira EJIRI, Osamu WATANABE, Hibiki YAMAZAKI, Yi PENG, Kotaro IWASAKI, Yuki AOI, Yongtae KO, Kyohei MATSUZAKI, James H.P. RICE and Yuki OSAWA
    Studies of a Lower-Hybrid Wave Driven Plasma Equilibrium with a Hybrid-MHD Model on the TST-2 Spherical Tokamak
    Plasma and Fusion Res. 15, 2402010 (2020) (Apr. 6, 2020, 8 Pages) DOI: 10.1585/pfr.15.2402010
  34. Yongtae KO, Yuichi TAKASE, Akira EJIRI, Naoto TSUJII, Osamu WATANABE, Hibiki YAMAZAKI, Charles P. MOELLER, Yasuo YOSHIMURA, Kotaro IWASAKI, Yuki AOI, Kyohei MATSUZAKI, James H.P. RICE, Yi PENG and Yuki OSAWA
    Observation of Parametric Decay Instability on TST-2 Lower Hybrid Wave Driven Plasma
    Plasma and Fusion Res. 15, 2402007 (2020) (Mar 13, 2020, 5 Pages) DOI: 10.1585/pfr.15.2402007
  35. A. Ejiri, Y. Takase, N. Tsujii, S. Yajima, H. Yamazaki and O. Mitarai
    Theoretical study of pre-ionization by inductive field in tokamaks
    Nuclear Fusion, 60, 036015 (2020) (Feb 13, 2020, 22 Pages)
  36. H. Idei, T. Onchi, K. Mishra, H. Zushi, T. Kariya, T. Imai, O. Watanabe, R. Ikezoe, K. Hanada, M. Ono, A. Ejiri, J. Qian, K. Nakamura, A. Fujisawa, Y. Nagashima, M. Hasegawa, K. Matsuoka, A. Fukuyama, S. Kubo, M. Yoshikawa, M. Sakamoto, S. Kawasaki, A. Higashijima, S. Ide, Y. Takase and S. Murakami
    Electron heating of over-dense plasma with dual-frequency electron cyclotron waves in fully non-inductive plasma ramp-up on the QUEST spherical tokamak
    Nuclear Fusion, 60, 01630 (2020) (Dec 5, 2019, 13 Pages)
  37. Idei, H., Onchi, T., Kariya, T., Tsujimura, T.I., Kubo, S., Kobayashi, S., Sakaguchi, M., Imai, T.,
    Hasegawa, M., Nakamura, K., Mishra, K., Fukuyama, M., Yunoki, M., Kojima, S., Watanabe, O., Kuroda, K., Hanada, K., Nagashima, Y., Ejiri, A., Matsumoto, N., Ono, M., Higashijima, A., Nagata, T., Shimabukoro, S., Takase, Y.
    28-GHz ECHCD system with beam focusing launcher on the QUEST spherical tokamak
    Fusion Engineering and Design , 146, 1149 (2019) (2019) (Feb 23, 2019, 4 Pages)DOI: 10.1016/j.fusengdes.2019.02.027
  38. Yongtae KO, Naoto TSUJII, Satoru YAJIMA, Yuichi TAKASE, Akira EJIRI, Osamu WATANABE, Hibiki YAMAZAKI, Charles P. MOELLER, Yasuo YOSHIMURA, Yusuke YOSHIDA, Yusuke IIDA, Kotaro IWASAKI, Yuya KAWAMATA, Sho SAKAMOTO, Yuki AOI, Teruki OISHI, Kyohei MATSUZAKI and James RICE
    Measurement of the Lower Hybrid Wave Using RF Magnetic Probes on the TST-2 Spherical Tokamak
    Plasma and Fusion Research,14, 3402107 (2019) (Jun. 19, 2019, 5 Pages) DOI: 10.1585/pfr.14.3402107
  39. Yuya KAWAMATA, Akira EJIRI, Kyohei MATSUZAKI, Yuichi TAKASE, Naoto TSUJII, Takumi ONCHI and Yoshihiko NAGASHIMA
    Improvement of Aperture Configuration to Reduce the Stray Light for Thomson Scattering Measurement Using a Peripheral Beam Profile Monitor
    Plasma and Fusion Research, 14, 1402072 (2019) (Apr. 11, 2019, 4 Pages) DOI: 10.1585/pfr.14.1402072
  40. Yasuo YOSHIMURA, Akira EJIRI, Ryosuke SEKI, Ryuichi SAKAMOTO, Kenichi NAGAOKA, Takashi SHIMOZUMA, Hiroe IGAMI, Hiromi TAKAHASHI, Toru I. TSUJIMURA, Felix WARMER, Kota YANAGIHARA, Yuki GOTO, Katsumi IDA, Mikiro YOSHINUMA, Tatsuya KOBAYASHI, Shin KUBO, Masaki OSAKABE, Tomohiro MORISAKI and the LHD Experiment Group
    Effect of Electron Cyclotron Current Drive on the Ion Temperature in the Plasma Core Region of the Large Helical Device
    Plasma and Fusion Research, 13, 1402124 (2018) (2018.12.20, 5 Pages) DOI: 10.1585/pfr.13.1402124
  41. H. Yamazaki, L. F. Delgado-Aparicio, R. Groebner, B. Grierson, K. Hill, N. Pablant, B. Stratton, P. Efthimion, A. Ejiri, Y. Takase, and M. Ono
    A computational tool for simulation and design of tangential multi-energy soft x-ray pin-hole cameras for tokamak plasmas
    Review of Scientific Instruments 89, 10G120 (2018) (2018.10.11, 5 Pages) https://doi.org/10.1063/1.5038788
  42. L. F. Delgado-Aparicio, J. Wallace, H. Yamazaki, P. VanMeter, L. Reusch, M. Nornberg, A. Almagari, J. Maddox, B. Luethi, M. Rissi, T. Donath, D. Den Hartog, J. Sarff, P. Weix, J. Goetz, N. Pablant, K. Hill, B. Stratton, P. Efthimion, Y. Takase, A. Ejiri, and M. Ono
    Simulation, design, and first test of a multi-energy soft x-ray (SXR) pinhole camera in the Madison Symmetric Torus (MST)
    Review of Scientific Instruments 89, 10G116 (2018) (2018.10.8, 5 Pages) https://doi.org/10.1063/1.5038798
  43. T. Tokuzawa, H. Tsuchiya, T. Tsujimura,M. Emoto,H. Nakanishi,S. Inagaki, K. Ida,H. Yamada, A. Ejiri, K. Y. Watanabe, K. Oguri, T. Akiyama, K. Tanaka, I. Yamada, and LHD Experiment Group
    Microwave frequency comb Doppler reflectometer applying fast digital data acquisition system in LHD
    Rev. Sci. Instrum. 89, 10H118 (2018) (2018.10.5 pages) doi: 10.1063/1.5035118
  44. Satoru YAJIMA, Yuichi TAKASE, Akira EJIRI, Naoto TSUJII, Hibiki YAMAZAKI, Charles P. MOELLER, Takahiro SHINYA, Yuki TAKEI, Yoshiyuki TAJIRI, Yusuke YOSHIDA, Akito SATO, Akichika KITAYAMA and Naoki MATSUMOTO
    Current Drive Experiment Using Top/Outboard Side Lower Hybrid Wave Injection on TST-2 Spherical Tokamak
    Plasma Fusion Research, 13, 3402114 (2018) (2018. 9. 25 4pages) DOI: 10.1585/pfr.13.3402114
  45. Hibiki YAMAZAKI, Hirokazu FURUI, Kotaro YAMASAKI, Tomohiko USHIKI, Akira EJIRI, Michiaki INOMOTO, Yuichi TAKASE, Yasushi ONO, Naoto TSUJII, UTST group and TST-2 group
    Measurement of the Local Current Density Inside a Current Sheet Using a Rogowski Coil Array on UTST Merging Plasmas
    Plasma and Fusion Res. 13, 1202093 (2018) ( 2018.7.26, 3 pages) DOI: 10.1585/pfr.13.1202093
  46. Benedikt Roidl, Yasushi Todo, Yuichi Takase, Naoto Tsujii, Akira Ejiri, Yusuke Yoshida, Satoru Yajima, Takahiro Shinya
    A simulation environment to simulate lower-hybrid-wave-driven plasmas efficiently
    Computer Physics Communications, 230, 38 (2018) (2018.5.4, 11 pages) https://doi.org/10.1016/j.cpc.2018.04.018
  47. T. Ii Tsujimura, Y. Mizunoa, T. Tokuzawaa, Y. Itoa, S. Kuboa, T. Shimozumaa, Y. Yoshimuraa, H. Igamia, H. Takahashia, A. Ejiri, the LHD Experiment Group
    Real-time control of electron cyclotron wave polarization in the LHD
    Fusion Engineering and Design, 131, 130–134 (2018). (2018.5.2, pages) https://doi.org/10.1016/j.fusengdes.2018.04.062
  48. H. Idei, T. Kariya, T. Imai, K. Mishra, T. Onchi, O. Watanabe, H. Zushi, K. Hanada, J. Qian, A. Ejiri, M. Alam, K. Nakamura, A. Fujisawa, Y. Nagashima, M. Hasegawa, K. Matsuoka, A. Fukuyama, S. Kubo, T. Shimozuma, M. Yoshikawa, M. Sakamoto, S. Kawasaki, H. Nakashima, A. Higashijima, S. Ide, T. Maekawa, Y. Takase, K. Toi,
    Fully non-inductive second harmonic electron cyclotron plasma ramp-up in the QUEST spherical tokamak,
    Nucl. Fusion 57, 126045 (2017). (2017.10.5, 11 pages) doi: 10.1088/1741-4326/aa7c20
  49. A. Ejiri, Y. Takase, N. Tsujii, H. Togashi, H. Furui, T. Shinya, B. Roidl, M. Sonehara, S. Yajima, Y. Yoshida, H. Yamazaki, A. Kitayama, A. Sato, Y. Takei, Y. Tajiri, N. Matsumoto and O. Mitarai,
    Pre-ionization by AC Ohmic coil operation in the TST-2 spherical tokamak,
    Nucl. Fusion 58, 016012 (2018) (Nov. 8, 2017, 17 pages)
  50. A. Ejiri, H. Tanaka, W. Takahashi, A. Sato, Y. Takase, N. Tsujii, M. Uchida and T. Makekawa,
    Observation of High Impurity Ion Temperatures in ECW/EBW Sustained Plasmas on LATE,
    Plasma Fusion Res. 12, 1202041 (2017) (2017.10.16 pages)
  51. N. Tsujii, Y. Takase, A. Ejiri, T. Shinya, H. Togashi, S. Yajima, H. Yamazaki, C.P. Moeller, B. Roidl, M. Sonehara, W. Takahashi, K. Toida and Y. Yoshida,
    Numerical modeling of lower hybrid current drive in fully non-inductive plasma start-up experiments on TST-2,
    Nuclear Fusion, 57, 126032 (2017). (2017.9.27, 11 pages)
  52. Y. Takeiri, T. Morisaki, M. Osakabe, M. Yokoyama, S. Sakakibara, H. Takahashi, Y. Nakamura, T. Oishi, G. Motojima, S. Murakami, K. Ito, A. Ejiri, S. Imagawa, S. Inagaki, M. Isobe, S. Kubo, S. Masamune, T. Mito, I. Murakami, K. Nagaoka, K. Nagasaki, K. Nishimura, M. Sakamoto, R. Sakamoto, T. Shimozuma, K. Shinohara, H. Sugama, K. Y. Watanabe, J. W. Ahn, N. Akata, T. Akiyama, N. Ashikawa, J. Baldzuhn, T. Bando, E. Bernard, F. Castejon, H. Chikaraishi, M. Emoto, T. Evans, N. Ezumi, K. Fujii, H. Funaba, M. Goto, T. Goto, D. Gradic, Y. Gunsu, S. Hamaguchi, H. Hasegawa, Y. Hayashi, C. Hidalgo, T. Higashiguchi, Y. Hirooka, Y. Hishinuma, R. Horiuchi, K. Ichiguchi, K. Ida, T. Ido, H. Igami, K. Ikeda, S. Ishiguro, R. Ishizaki, A. Ishizawa, A. Ito, Y. Ito, A. Iwamoto, S. Kamio, K. Kamiya, O. Kaneko, R. Kanno, H. Kasahara, D. Kato, T. Kato, K. Kawahata, G. Kawamura, M. Kisaki, S. Kitajima, W. H. Ko, M. Kobayashi, S. Kobayashi, T. Kobayashi, K. Koga, A. Kohyama, R. Kumazawa, J. H. Lee, D. Lopez-Bruna, R. Makino, S. Masuzaki, Y. Matsumoto, H. Matsuura, O. Mitarai, H. Miura, J. Miyazawa, N. Mizuguchi, C. Moon, S. Morita, T. Moritaka, K. Mukai, T. Muroga, S. Muto, T. Mutoh, T. Nagasaka, Y. Nagayama, N. Nakajima, Y. Nakamura, H. Nakanishi, H. Nakano, M. Nakata, Y. Narushima, D. Nishijima, A. Nishimura, S. Nishimura, T. Nishitani, M. Nishiura, Y. Nobuta, H. Noto, M. Nunami, T. Obana, K. Ogawa, S. Ohdachi, M. Ohno, N. Ohno, H. Ohtani, M. Okamoto, Y. Oya, T. Ozaki, B. J. Peterson, M. Preynas, A. Sagara, K. Saito, H. Sakaue, A. Sanpei, S. Satake, M. Sato, T. Saze, O. Schmitz, R. Seki, T. Seki, I. Sharov, A. Shimizu, M. Shiratani, M. Shoji, C. Skinner, R. Soga, T. Stange, C. Suzuki, Y. Suzuki, S. Takada, K. Takahata, A. Takayama, S. Takayama, Y. Takemura, Y. Takeuchi, H. Tamura, N. Tamura, H. Tanaka, K. Tanaka, M. Tanaka, T. Tanaka, Y. Tanaka, S. Toda, Y. Todo, K. Toi, M. Toida, M. Tokitani, T. Tokuzawa, H. Tsuchiya, T. Tsujimura, K. Tsumori, S. Usami, J. L. Velasco, H. Wang, T. -H. Watanabe, T. Watanabe, J. Yagi, M. Yajima, H. Yamada, I. Yamada, O. Yamagishi, N. Yamaguchi, Y. Yamamoto, N. Yanagi, R. Yasuhara, E. Yatsuka, N. Yoshida, M. Yoshinuma, S. Yoshimura, Y. Yoshimura
    Extension of the operational regime of the LHD towards a deuterium experiment
    Nuclear Fusion, 57, 102023 (2017). (2017.8.21, 10 pages)
  53. Hiro TOGASHI, Hibiki YAMAZAKI, Akira EJIRI, Yuichi TAKASE, Naoto TSUJII, Satoru YAJIMA, Yusuke YOSHIDA and TST-2 team
    Development of a Hard X-Ray Profile Measurement System in the TST-2 Spherical Tokamak
    Plasma Fusion Res. 12, 1402030 (2017). (2017.7.19, 4 pages) DOI: 10.1585/pfr.12.1402030
  54. Y. Takase, A. Ejiri, T. Fujita, N. Fukumoto, A. Fukuyama, K. Hanada, H. Idei, M. Nagata, Y. Ono, H. Tanaka, M. Uchida, R. Horiuchi, Y. Kamada, H. Kasahara, S. Masuzaki, Y. Nagayama, T. Oishi, K. Saito, Y. Takeiri and S. Tsuji-Iio
    Overview of spherical tokamak research in Japan
    Nucl. Fusion,57, 102005 (2017) (2017. 6. 20, 12 Pages)
  55. H. Furui, A. Ejiri, Y. Nagashima, Y. Takase, M. Sonehara, N. Tsujii, B. Roidl, T. Shinya, H. Togashi, H. Homma, K. Nakamura, T. Takeuchi, S. Yajima, Y. Yoshida, K. Toida, W. Takahashi, and H. Yamazaki
    Measurements of edge plasma parameters during internal reconnection events in the TST-2 spherical tokamak
    Physics of Plasmas 24, 062504 (2017)(2017.6.9, 5 Pages); http://doi.org/10.1063/1.4985077
  56. T. Shinya, Y. Takase, S. Yajima, C. Moeller, H. Yamazaki, N. Tsujii, Y. Yoshida, A. Ejiri, H. Togashi, K. Toida, H. Furui, H. Homma,
    K. Nakamura, B. Roidl, M. Sonehara, W. Takahashi and T. Takeuchi,
    Plasma current start-up experiments using outboard- and top-launch lower hybrid wave on the TST-2 spherical tokamak
    Nucl. Fusion, 57 036006 (2016) (2016.12.12, 8 Pages)
  57. H. Tojo, I. Yamada, R. Yasuhara, A. Ejiri, J. Hiratsuka, H. Togashi, E. Yatsuka, T. Hatae, H. Funaba, H. Hayashi, Y. Takase and K. Itami
    Validations of calibration-free measurements of electron temperature using double-pass Thomson scattering diagnostics from theoretical and experimental aspects
    Rev. Sci. Instrum. 87, 093502 (2016) (2016.9.2, 11 Pages)
  58. Yasuo YOSHIMURA, Yoshiro NARUSHIMA, Shin KUBO, Takashi SHIMOZUMA, Hiroe IGAMI, Hiromi TAKAHASHI, Toru I. TSUJIMURA, Ryohei MAKINO, Santanu Banerjee, H. Zushi, N. Nishino, K. Mishra, Y. Mahira, S. Tashima, A. Ejiri, T. Yamaguchi, T. Onchi, Y. Nagashima, K. Hanada, K. Nakamura, H. Idei, M. Hasegawa, A. Fujisawa, A. Kuzmin and K. Matsuoka
    Observation of an edge coherent mode and poloidal flow in the electron cyclotron wave induced high βp plasma in QUEST
    Phys. Plasmas 23, 082507 (2016); http://dx.doi.org/10.1063/1.4960117 (Published Aug. 4, 2016, 8 Pages)
  59. Satoshi ITO, Kota OKADA, Sakuji KOBAYASHI, Yoshinori MIZUNO, Yuki GOTO, Ryuichi SAKAMOTO, Akira EJIRI, Takashi MUTOH, Hiroshi YAMADA, Akio KOMORI, Yasuhiko TAKEIRI and the LHD Experiment Group
    Improvement in Flexibility of ECCD by Upgraded ECH Antenna System on LHD
    Plasma and Fusion Res. 11, 2402036 (2016) (2016.4.15, 5 pages)
  60. H. Furui, A. Ejiri, Y. Nagashima, Y. Takase, M. Sonehara, N. Tsujii, T. Yamaguchi, T. Shinya, H. Togashi, H. Homma, K. Nakamura, T. Takeuchi, S. Yajima, Y. Yoshida, K. Toida, W. Takahashi1 and H. Yamazaki
    A model of plasma current through a hole of Rogowski probe including sheath effects
    Rev. Sci. Instrum. 87, 043503 (2016) (2016.4.1, 10 pages)
  61. Akira EJIRI, Yuichi TAKASE, Naoto TSUJII, Takahiro SHINYA, Satoru YAJIMA, Masateru SONEHARA, Hirokazu FURUI, Hiro TOGASHI, Hiroto HOMMA, Kenta NAKAMURA, Toshihiro TAKEUCHI, Yusuke YOSHIDA, Wataru TAKAHASHI, Kazuya TOIDA, and Hibiki YAMAZAKI
    RF central solenoid operation for plasma production and current drive in TST-2
    Plasma Fusion Res. 11, 1202004 (2016). (2016.2.10, 3 pages)
  62. A. Ejiri, T. Tokuzawa, N. Tsujii, K. Saito, T. Seki, H. Kasahara, S. Kamio, R. Seki, T. Mutoh, I. Yamada and Y. Takase
    Measurements of ICRF wave-induced density fluctuations in LHD by a microwave reflectometer
    JINST, 10, C12032 (2015) (2015.12.29, 10 pages).
  63. H. Togashi, A. Ejiri, H. Homma, T. Shinya, Y. Takase, K. Toida, N. Tsujii, T. Yamaguchi, Y. Yoshida, H. Furui, M. Sonehara, K. Nakamura, W. Takahashi, T. Takeuchi, S. Yajima, H. Yamazaki, M. Hasegawa, Y. Nagashima and H. Tojo
    Thomson scattering measurements in low-density plasmas in the TST-2 spherical tokamak
    JINST, 10, C12020 (2015) (2015.12.18, 9 pages).
  64. A. Ishida, A. Ejiri, Y. Takase, N. Tsujii, H. Togashi, Y. Yoshida, T. Sshinya and S. Tsuda
    Three-fluid axisymmetric equilibrium model and application to spherical torus plasmas sustained by RF electron heating
    Plasma Fusion Res. 10, 1403084 (2015). (2015,12.28, 9 pages)
  65. H. Togashi, A. Ejiri, H. Homma, T. Shinya, Y. Takase, K. Toida, N. Tsujii, T. Yamaguchi, Y. Yoshida, M. Hasegawa, Y. Nagashima, H. Furui, K. Nakamura, W. Takahashi, T. Takeuchi, M. Sonehara, S. Yajima and H. Ymazaki
    First measurement of electron temperature and density profiles for spherical tokamak plasmas sustained by lower hybrid wave
    Plasma Fusion Res. 10, 1202082 (2015) (2015,12.28, 2 pages)
  66. T. Ii Tsujimura, S. Kubo, H. Takahashi, R. Makino, R. Seki, Y. Yoshimura, H. Igami, T. Shimozuma, K. Ida, C. Suzuki, M. Emoto, M. Yokoyama, T. Kobayashi, C. Moon, K. Nagaoka, M. Osakabe, S. Kobayashi, S. Ito, Y. Mizuno, K. Okada, A. Ejiri, T. Mutoh and the LHD Experiment Group
    Development and application of a ray-tracing code integrating with 3D equilibrium mapping in LHD ECH experiments
    Nuclear Fusion, 55, 123019 (2015). (2015. 11. 12, 12 pages) http://dx.doi.org/10.1088/0029-5515/55/12/123019
  67. T. Shinya, Y. Takase, T. Wakatsuki, A. Ejiri, H. Furui, J. Hiratsuka, K. Imamura, T. Inada, H. Kakuda, H. Kasahara, R. Kumazawa, C. Moeller, T. Mutoh, Y. Nagashima, K. Nakamura, A. Nakanishi, T. Oosako, K. Saito, T. Seki, M. Sonehara, H. Togashi, S. Tsuda, N. Tsujii, T. Yamaguchi,
    Non-inductive Plasma Start-up Experiments on the TST-2 Spherical Tokamak Using Waves in the Lower-hybrid Frequency Range,
    Nucl. Fusion 55 (7), 073003 (2015).(2015.6.5, 8 pages) doi:10.1088/0029-5515/55/7/073003
  68. Kishore Mishra, H. Zushi, H. Idei, M. Hasegawa, T. Onchi, S. Tashima, S. Banerjee, H. Hanada, H. Togashi, T. Yamaguchi, A. Ejiri, Y. Takase, K. Nakamura, A. Fujisawa, Y. Nagashima, A. Kuzmin and QUEST team
    Self organization of high βp plasma equilibrium with an inboard poloidal magnetic field null in QUEST
    Nucl. Fusion 55, 083009 (2015).
  69. Shintaro TSUDA, Akira EJIRI, Hitoshi TANAKA, Yuichi TAKASE, Masaki UCHIDA, Takashi MAEKAWA, Naoto TSUJII and Toshihiro TAKEUCHI
    Measurement of Ion Temperature and Flow in RF Start-Up Plasmas in TST-2 and LATE
    Plasma Fusion Res. 10, 1202064 (2015) (3 pages Published on May 26, 2015).
  70. Tokihiko TOKUZAWA, Shigeru INAGAKI, Akira EJIRI, Ryota SOGA, Ichihiro YAMADA, Shin KUBO, Mikiro YOSHINUMA, Katsumi IDA, Chihiro SUZUKI, Kenji TANAKA, Tsuyoshi AKIYAMA, Naohiro KASUYA, Kimitaka ITOH, Kiyomasa WATANABE, Hiroshi YAMADA, Kazuo KAWAHATA and LHD Experiment Group
    Ka-band Microwave Frequency Comb Doppler Reflectometer System for the Large Helical Device
    Plasma Fusion Res. 9, 1402149 (2014).
  71. J. HIRATSUKA, A. EJIRI, M. HASEGAWA, Y. NAGASHIMA,K. NAKAMURA, Y. TAKASE, H. TOGASHI, H. TOJO, T. YAMAGUCHI and TST-2 group
    Simultaneous Measurement of Plasma Pressure Anisotropy with Double-Pass Thomson Scattering Diagnostic System on TST-2
    Plasma Fusion Res. 10, 1402007 (2015) (6 pages Published on Feb.27, 2015).
  72. Yueng-Kay Martin PENG, Akio ISHIDA, Yuichi TAKASE, Akira EJIRI, Naoto TSUJII, Takashi MAEKAWA, Masaki UCHIDA, Hideki ZUSHI, Kazuaki HANADA and Makoto HASEGAWA, Plasma Fusion Res. 9, 3403146 (2014) (6 pages Published on Dec. 17, 2014).
  73. Plasma Density Suppression by Electron Cyclotron Wave in Lower Hybrid Wave Driven TST-2 Spherical Tokamak Plasma
    Takahiro SHINYA, Yuichi TAKASE, Charles P. MOELLER, Takuma WAKATSUKI, Takuma INADA, Takuya OOSAKO, Hidetoshi KAKUDA, Akira EJIRI, Naoto TSUJII, Hirokazu FURUI, Junichi HIRATSUKA, Kazuhiro IMAMURA, Keishun NAKAMURA, Ayaka NAKANISHI, Masateru SONEHARA, Hiro TOGASHI, Shintaro TSUDA and Takashi YAMAGUCHI
    Plasma Fusion Res. 9, 1202133 (2014) (2 pages Published on 17 Sep. 17, 2014).
  74. Plasma current start-up experiments using a dielectric-loaded waveguide array antenna in the TST-2 spherical tokamak
    T. Wakatsuki, A. Ejiri, T. Shinya2, Y. Takase, H. Furui, J. Hiratsuka1, K. Imamura, T. Inada, H. Kakuda1, H. Kasahara, Y. Nagashima4, K. Nakamura, A. Nakanishi, T. Oosako, K. Saito, T. Seki, M. Sonehara1, H. Togashi, S. Tsuda, N. Tsujii and T. Yamaguchi
    Nucl. Fusion 54 093014 (2014) (Published on Aug. 19, 2014, 14 pages)
  75. Demonstration of improvement in the signal-to-noise ratio of Thomson scattering signal obtained by using a multi-pass optical cavity on the Tokyo Spherical Tokamak
    H. Togashi, A. Ejiri, J. Hiratsuka, K. Nakamura, Y. Takase, T. Yamaguchi, H. Furui, K. Imamura, T. Inada, H. Kakuda, A. Nakanishi, T. Oosako, T. Shinya, M. Sonehara, S. Tsuda, N. Tsujii, T. Wakatsuki, M. Hasegawa, Y. Nagashima, K. Narihara, I. Yamada and H. Tojo
    Rev. Sci. Instrum. 85, 11D846 (2014) (Publish on 13 Aug. 2014, 3 Pages); http://dx.doi.org/10.1063/1.4891707
  76. Local current density measurement using a Rogowski probe in Tokyo Spherical Tokamak
    H. Furui, Y. Nagashima, Y. Takase, A. Ejiri, H. Kakuda, M. Sonehara, T. Oosako, N. Tsujii, J. Hiratsuka, K. Imamura, T. Inada, K. Nakamura, A. Nakanishi, T. Shinya, H. Togashi, S. Tsuda, T. Wakatsuki and T. Yamaguchi
    Rev. Sci. Instrum. 85, 11D813 (2014) (Published on 16 Jul. 2014, 4 Pages); http://dx.doi.org/10.1063/1.4887277
  77. Note: Multi-pass Thomson scattering measurement on the TST-2 spherical tokamak
    H. Togashi, A. Ejiri, J. Hiratsuka, K. Nakamura, Y. Takase, T. Yamaguchi, H. Furui, K. Imamura, T. Inada, H. Kakuda, A. Nakanishi, T. Oosako, T. Shinya, M. Sonehara, S. Tsuda, N. Tsujii, T. Wakatsuki, M. Hasegawa, Y. Nagashima, K. Narihara, I. Yamada and H. Toj
    Rev. Sci. Instrum. 85, 056103 (2014); http://dx.doi.org/10.1063/1.4878260. (Published on 20 May 2014, 3 Pages)
  78. Identification of Waves by RF Magnetic Probes during Lower Hybrid Wave Injection Experiments on the TST-2 Spherical Tokamak
    Takahiro SHINYA, Akira EJIRI, Yuichi TAKASE, Takuma WAKATSUKI, Takuya OOSAKO, Naoto TSUJII, Hidetoshi KAKUDA, Hirokazu FURUI, Junichi HIRATSUKA, Takuma INADA, Kazuhiro IMAMURA, Keishun NAKAMURA, Ayaka NAKANISHI, Masateru SONEHARA, Hiro TOGASHI, Shintaro TSUDA, Takashi YAMAGUCHI, Hiroshi KASAHARA, Kenji SAITO, Tetsuo SEKI, Fujio SHIMPO, Yoshihiko NAGASHIMA, Osamu WATANABE and Takuma YAMADA,
    Plasma Fusion Res. 9, 3402040 (2014). (Published on 7 May 2014, 4 Pages)
  79. Development of a Local Current Diagnostic using a Small Rogowski Coil for a Spherical Tokamak Plasma in TST-2
    Hirokazu FURUI, Yoshihiko NAGASHIMA, Yuich TAKASE, Akira EJIRI, Hidetoshi KAKUDA, Masateru SONEHARA, Takuya OOSAKO, Naoto TSUJII, Junichi HIRATSUKA, Kazuhiro IMAMURA, Takuma INADA, Keishun NAKAMURA, Ayaka NAKANISHI, Takahiro SHINYA, Hiro TOGASHI, Shintarou TSUDA, Takuma WAKATSUKI and Takashi YAMAGUCHI
    Plasma Fusion Res. 9, 3402078 (2014) (Published on 10 Jun. 2014, 4 Pages)
  80. Analysis of Office/Laboratory Staying Hour and Home Working Hour of Japanese Scientists and Engineers
    A. Ejiri
    JPS Conf. Proc. 1, 018004 (2014). (Published Mar. 20, 2014, 4 pages).
  81. Results of Lower Hybrid Wave Experiments Using a Dielectric Loaded Waveguide Attay Antenna on TST-2
    T. Wakatsuki, A. Ejiri, T. Shinya, Y. Takase, H. Furui, J. Hiratsuka, K. Imamura, T. Inada, H. Kakuda, H. Kasahara, Y. Nagashima, K. Nakamura, A. Nakanishi, T. Oosako, K. Saito, T. Seki, F. Shimpo, M. Sonehara, H. Togashi, S. Tsuda, N. Tsujii, T. Yamaguchi
    Radiofrequency Power in Plasmas (Proc. 20th Top. Conf., Sorrento, Italy, 2013)   (AIP, Melville, NY, 2014)  pp. 422-425. doi: 10.1063/1.4864578
  82. Characteristics of a Novel Lower Hybrid Wave Antenna for the TST-2 Spherical Tokamak
    Y. Takase, C. P. Moeller, T. Shinya, T. Wakatsuki, A. Ejiri, H. Furui, J. Hiratsuka, K. Imamura, T. Inada, H. Kakuda, K. Nakamura, A. Nakanishi, T. Oosako, M. Sonehara, H. Togashi, S. Tsuda, N. Tsujii, T. Yamaguchi
    Radiofrequency Power in Plasmas (Proc. 20th Top. Conf., Sorrento, Italy, 2013)   (AIP, Melville, NY, 2014)  pp. 462-465.  doi: 10.1063/1.4864588
  83. Measurement Measurement of Radio Frequency Wave Induced Electron Density Fluctuations by a Microwave Reflectometer on LHD
    A. Ejiri, T. Tokuzawa, K. Saito, T. Seki, H. Kasahara, T. Mutoh, R. Kumazawa, I. Yamada, Y. Takase
    JPS Conf. Proc. 1, 015038 (2014). (Publined Mar. 20, 2014, 4 pages).
  84. Injection and Confinement of a Laser Pulse in an Optical Cavity for Multi-Pass Thomson Scattering Diagnostics in the TST-2 Spherical Tokamak Device
    Hiro TOGASHI, Akira EJIRI, Makoto HASEGAWA, Junichi HIRATSUKA, Yoshihiko NAGASHIMA, Keishun NAKAMURA, Kazumichi NARIHARA, Yuichi TAKASE, Hiroshi TOJO, Naoto TSUJII, Ichihiro YAMADA, Takashi YAMAGUCHI and the TST-2 Team,
    Plasma Fusion Res. 9, 1202005 (2014). (Published Jan. 31, 2014, 3 pages).
  85. Extension of operation regimes and investigation of three-dimensional currentless plasmas in the Large Helical Device
    O. Kaneko, H. Yamada, S. Inagaki, M. Jakubowski, S. Kajita, S. Kitajima, Kobayashi, K. Koga, T. Morisaki S. Morita, T. Mutoh, S. Sakakibara, Y. Suzuki, H. Takahashi, K. Tanaka, K. Toi, Y. Yoshimura, T. Akiyama, Y. Asahi, N. Ashikawa, H. Chikaraishi, A. Cooper, D.S. Darrow, E. Drapiko P. Drewelow, X. Du, A. Ejiri, M. Emoto T. Evans, N. Ezumi, K. Fujii, T. Fukuda, H. Funaba, M. Furukawa, D.A. Gates, M. Goto, T. Goto W. Guttenfelder, S. Hamaguchi M. Hasuo, T. Hino,0, Y. Hirooka, K. Ichiguchi, K. Ida, H. Idei, T. Ido, H. Igami, K. Ikeda S. Imagawa, T. Imai, M. Isobe, M. Itagaki, T. Ito, K. Itoh, S. Itoh, A. Iwamoto, K. Kamiya, T. Kariya, H. Kasahara, N. Kasuya, D. Kato, T. Kato, K. Kawahata, F. Koike, S. Kubo, R. Kumazawa, D. Kuwahara, S. Lazerson, H. Lee, S. Masuzaki, S. Matsuoka, H. Matsuura, A. Matsuyama, C. Michael, D. Mikkelsen, O. Mitarai, T. Mito, J. Miyazawa, G. Motojima, K. Mukai, A. Murakami, I. Murakami, S. Murakami, T. Muroga, S. Muto, K. Nagaoka, K. Nagasaki, Y. Nagayama, N. Nakajima, H. Nakamura, Y. Nakamura, H. Nakanishi, H. Nakano T. Nakano, K. Narihara, Y. Narushima, K. Nishimura, S. Nishimura, M. Nishiura, Y.M. Nunami, T. Obana, K. Ogawa, S. Ohdachi, N. Ohno, N. Ohyabu, T. Oishi M. Okamoto, A. Okamoto, M. Osakabe Y. Oya, T. Ozaki, N. Pablant, B.J. Peterson, A. Sagara, K. Saito, R. Sakamoto, H. Sakaue M. Sasao, K. Sato, M. Sato, K. Sawada, R. Seki, T. Seki, V. Sergeev, S. Sharapov, I. Sharov, A. Shimizu, T. Shimozuma, M. Shiratani, M. Shoji, S. Sudo, H. Sugama, C. Suzuki, K. Takahata, Y. Takeiri, Y. Takemura, M. Takeuchi1, H. Tamura N. Tamura H. Tanaka T. Tanaka, M. Tingfeng Y. Todo, M. Tokitani, K. Tokunaga, T. Tokuzawa H. Tsuchiya K. Tsumori Y. Ueda3, L. Vyacheslavov3, K.Y. Watanabe, T. Watanabe T.H. Watanabe, B. Wieland I. Yamada, S. Yamada, S. Yamamoto, N. Yanagi, R. Yasuhara M. Yokoyama, N. Yoshida, S. Yoshimura, T. Yoshinaga, M. Yoshinuma1 and A. Komori
    Nucl. Fusion, 53 104015 (2013) (11 pages, published 26 Sep 2013)
  86. Non-inductive plasma initiation and plasma current ramp-up on the TST-2 spherical tokamak
    Y. Takase, A. Ejiri, H. Kakuda, T. Oosako, T. Shinya, T.Wakatsuki, T. Ambo, H. Furui, T. Hashimoto,J. Hiratsuka, H. Kasahara, K. Kato, R. Kumazawa, C.P. Moeller, T. Mutoh, A. Nakanishi, Y. Nagashima, K. Saito, T. Sakamoto, T. Seki, M. Sonehara, R. Shino, H. Togashi, O. Watanabe and T. Yamaguchi
    Nucl. Fusion 53, 063006, 2013 (Published May. 8, 2013, 6 pages).
  87. Electron Temperature Measurement on QUEST Spherical Tokamak by Thomson Scattering System
    Takashi YAMAGUCHI, Akira EJIRI, Junichi HIRATSUKA, Makoto HASEGAWA, Yoshihiko NAGASHIMA, Kazumichi NARIHARA, Yuichi TAKASE, Hideki ZUSHI and the QUEST group
    Plasma Fusion Res. 8, 1302001 (2013). (4 Pages, Published on 13 Feb. 2013)
  88. Hiroshi IDEI, Hideki ZUSHI, Kazuaki HANADA, Evgeniya KALINNIKOVA, Kazuo NAKAMURA, Akihide FUJISAWA, Yoshihiko NAGASHIMA, Makoto HASEGAWA, Keisuke MATSUOKA, Tsuyoshi KARIYA, Tsuyoshi IMAI, Ryutaro MINAMI, Naoaki YOSHIDA, Mizuki SAKAMOTO, Hideo WATANABE, Kazutoshi TOKUNAGA, Akira EJIRI, Masatsugu SAKAGUCHI, Masaki ISHIGURO, Saya TASHIMA, Atsushi FUKUYAMA, Hiroe IGAMI, Shin KUBO, Mitsutaka ISOBE, Kenichi NAGAOKA, Hideya NAKANISHI, Nobuhiro NISHINO, Shoji KAWASAKI, Hisatoshi NAKASHIMA, Aki HIGASHIJIMA, Yuichi TAKASE, Takashi MAEKAWA, Osamu MITARAI, Mitsuru KIKUCHI and Kazuo TOI
    ECW/EBW Heating and Current Drive Experiment Results and Prospects for CW Operation in QUEST
    Plasma Fusion Res. 7, 2402112 (2012). (7 Pages, Published on Sep. 13, 2012)
  89. Fluctuation Measurement Across the Broad Range of the Low-field Side Edge Plasmas in the TST-2 Spherical Tokamak
    Masateru Sonehara, Yoshihiko Nagashima, Yuichi Takase, Akira Ejiri, Takashi Yamaguchi, Takanori Ambo, Hidetoshi Kakuda, Junichi Hiratsuka, Takuya Sakamoto, Ryota Shino, Takuma Wakatsuki, Osamu Watanabe
    IEEJ Transactions on Fundamentals and Materials, 132, 499 (2012). (2012. 7.1 No. 7, P499-504)
  90. X-ray Measurements during Plasma Current Start-up Experiments using the Lower Hybrid Wave on the TST-2 Spherical Tokamak
    Takuma Wakatsuki, Akira Ejiri, Hidetoshi Kakuda, Yuichi Takase, Takanori Ambo, Hirokazu Furui, Takahiro Hashimoto, Junichi Hiratsuka, Hiroshi Kasahara, Kunihiko Kato, Ryuhei Kumazawa, Yoshihiko Nagashima, Kenji Saito, Takuya Sakamoto, Tetsuo Seki, Fujio Shimpo, Ryota Shino, Takahiro Shinya, Masateru Sonehara, Osamu Watanabe, Takashi Yamaguchi, Charles P. Moeller
    IEEJ Transactions on Fundamentals and Materials, 132 485 (2012). (2012.7.1 No. 7, P485-489)
  91. Demonstration of in-situ relative calibration method for a Thomson scattering diagnostic on TST-2
    H Tojo, A Ejiri, J Hiratsuka, T Yamaguchi, Y Takase, K Itami and T Hatae
    Journal of Instrumentation Volume 7 April 2012, Published Apr. 10, 2012
  92. Microwave Doppler reflectometer system in LHD
    T. Tokuzawa, A. Ejiri, K. Kawahata, K. Tanaka, I. Yamada, M. Yoshinuma, K. Ida, and C. Suzuki
    Rev. Sci. Instrum. 83, 10E322 (2012); http://dx.doi.org/10.1063/1.4733736 (3 pages) 13 July 2012
  93. Off-Axis Temperature AnisotropyMeasurement by Double-Pass Thomson Scattering Diagnostic System on TST-2
    Junichi HIRATSUKA, Akira EJIRI, Makoto HASEGAWA, Yoshihiko NAGASHIMA, Yuichi TAKASE, Hiroshi TOJO, Takashi YAMAGUCHI, Takanori AMBO, Hirokazu FURUI,Takahiro HASHIMOTO, Hidetoshi KAKUDA, Kunihiko KATO, Takuya OOSAKO, Takuya SAKAMOTO, Ryota SHINO, Takahiro SHINYA, Masateru SONEHARA, Takuma WAKATSUKI and Osamu WATANABE
    Plasma Fusion Res. 7, 2402092 (2012).(2012.7.26, 5 pages)
  94. Development of a Double-pass Thomson Scattering System in the TST-2 Spherical Tokamak
    Junichi HIRATSUKA, Akira EJIRI, Makoto HASEGAWA, Yoshihiko NAGASHIMA, Yuichi TAKASE, Hiroshi TOJO, Takashi YAMAGUCHI, Takanori AMBO, Hidetoshi KAKUDA, Takuya SAKAMOTO, Ryota SHINO, Masateru SONEHARA, Takuma WAKATSUKI and Osamu WATANABE
    Plasma Fusion Res. 6, 1202133 (2011).
  95. Development of a plasma current ramp-up technique for spherical tokamaks by the lower hybrid wave
    Y. Takase, A. Ejiri, H. Kakuda, Y. Nagashima, T. Wakatsuki, O. Watanabe, P. Bonoli, O. Meneghini, S. Shiraiwa, J Wright, C. Moeller, H. Kasahara, R. Kumazawa, T. Mutoh, K. Saito and TST-2 Group
    Nucl. Fusion, 51, 063017 (2011).
  96. Osamu WATANABE, Akira EJIRI, Hiroki KURASHINA, Takuya OHSAKO, Yoshihiko NAGASHIMA, Takashi YAMAGUCHI, Takuya SAKAMOTO, Byung Il AN, Hiroyuki HAYASHI, Hiroaki KOBAYASHI, Kotaro YAMADA, Hidetoshi KAKUDA, Junichi HIRATSUKA, Kentaro HANASHIMA, Takuma WAKATSUKI and Yuichi TAKASE
    Comparison of Hydrogen and Deuterium Plasmas in ECH Start-Up Experiment in the TST-2 Spherical Tokamak
    Plasma Fusion Res. 5, S2032 (2010).
  97. Fluctuation measurement in the edge plasma on TST-2
    Yoshihiko NAGASHIMA, Jun’ichi OZAKI, Masateru SONEHARA, Yuichi TAKASE, Akira EJIRI, Kotaro YAMADA, Hidetoshi KAKUDA, Shigeru INAGAKI, Takuya OOSAKO, Byung Il AN1, Hiroyuki HAYASHI, Kentaro HANASHIMA, Junichi HIRATSUKA, Hiroaki
    KOBAYASHI, Hiroki KURASHINA, Hazuki MATSUZAWA, Takuya SAKAMOTO, Takashi YAMAGUCHI, Osamu WATANABE and Takuma WAKATSUKI
    Plasma Fusion Res. 5, S2048 (2010).
  98. Development of a Thomson scattering system in the TST-2 spherical tokamak
    T. Yamaguchi, A. Ejiri, J. Hiratsuka, Y. Takase, Y. Nagashima, O. Watanabe, T. Sakamoto, T. Oosako, B. I. An, H. Kurashina, H. Kobayashi, H. Hayashi, H. Matsuzawa, K. Yamada, H. Kakuda, K. Hanashima, T. Wakatsuki
    Plasma Fusion Res. 5, S2092 (2010).
  99. Development of a bright polychromator for Thomson scattering measurements
    A. Ejiri, T. Yamaguchi, J. Hiratsuka, Y. Takase, M. Hasegawa and K. Narihara
    Plasma Fusion Res. 5, S2082 (2010).
  100. Merging start-up experiments on the UTST spherical tokamak
    Takuma YAMADA, Ryota IMAZAWA, Shuji KAMIO, Ryuma HIHARA, Keita ABE,Morio SAKUMURA, Qinghong CAO, Takuya OOSAKO, Hiroaki KOBAYASHI, Takuma WAKATSUKI, Byungil AN, Yoshihiko NAGASHIMA, Hajime SAKAKITA, Haruhisa KOGUCHI, Satoru KIYAMA, Yoichi HIRANO, Michiaki INOMOTO, Akira EJIRI, Yuichi TAKASE and Yasushi ONO
    Plasma Fusion Res. 5, S2100 (2010).
  101. Masaki SUGIHARA, Kensuke OKI, Ryuya IKEZOE, Takumi ONCHI, Akio SANPEI, Haruhiko HIMURA, Sadao MASAMUNE, Tsuyoshi AKIYAMA, Akira EJIRI, Keishi SAKAMOTO, Kazunobu NAGASAKI and Vladimir ZHURAVLEV
    Density Regimes of Low-Aspect-Ratio RFP Plasmas in RELAX
    Plasma Fusion Res. 5, S2048 (2010)
  102. Feasibility of a Multi-Pass Thomson Scattering System with Confocal Spherical Mirrors
    Junichi HIRATSUKA, Akira EJIRI, Yuichi TAKASE and Takashi YAMAGUCH
    Plasma Fusion Res. 5, 044 (2010).
  103. Electron Density Measurements of Non-Inductive Start-Up Plasmas in the TST-2 Spherical Tokamak
    Hiroki KURASHINA, Akira EJIRI, Yuichi TAKASE, Kentaro HANASHIMA, Takuya SAKAMOTO, Osamu WATANABE, Yoshihiko NAGASHIMA, Takashi YAMAGUCHI, Byung Il AN, Hiroaki KOBAYASHI, Hiroyuki HAYASHI, Kotaro YAMADA, Hazuki MATSUZAWA, Hidetoshi KAKUDA, Junichi HIRATSUKA, Takuma WAKATSUKI and Takuya OOSAKO
    Plasma Fusion Res. 5, 024 (2010).
  104. Evaluation of Edge Electron Temperature Fluctuations Using a Conditional Technique on TST-2
    Jun'ichi OZAKI, Masateru SONEHARA, Yoshihiko NAGASHIMA, Yuichi TAKASE, Akira EJIRI, Kotaro YAMADA, Hidetoshi KAKUDA, Shigeru INAGAKI, Takuya OOSAKO, Byung Il AN, Hiroyuki HAYASHI, Kentaro HANASHIMA, Junichi HIRATSUKA, Hiroaki KOBAYASHI, Hiroki KURASHINA, Takuya SAKAMOTO, Takashi YAMAGUCHI, Osamu WATANABE and Takuma WAKATSUKI
    Plasma Fusion Res. 5, 023 (2010).
  105. Observation of Beat Oscillation Generation by Coupled Waves Associated with Parametric Decay during Radio Frequency Wave Heating of a Spherical Tokamak Plasma
    Yoshihiko Nagashima, Takuya Oosako, Yuichi Takase, Akira Ejiri, Osamu Watanabe, Hiroaki Kobayashi, Yuuki Adachi, Hiroshi Tojo, Takashi Yamaguchi, Hiroki Kurashina, Kotaro Yamada, Byung Il An, Hiroshi Kasahara, Fujio Shimpo, Ryuhei Kumazawa, Hiroyuki Hayashi1, Haduki Matsuzawa, Junichi Hiratsuka, Kentaro Hanashima1, Hidetoshi Kakuda, Takuya Sakamoto, and Takuma Wakatsuki
    Phys. Rev. Lett. 104, 245002 (2010).
  106. Observation of Edge Reynolds Stress Increase Preceding an L-H Transition in Compact Helical System
    Yoshihiko NAGASHIMA, Kenichi NAGAOKA, Kimitaka ITOH, Akihide FUJISAWA, Mitsutaka ISOBE, Tsuyoshi AKIYAMA, Chihiro SUZUKI, Shin NISHIMURA, Yasuo YOSHIMURA, Keisuke MATSUOKA, Shoichi OKAMURA, Yuichi TAKASE, Akira EJIRI, Sanae -I. ITOH, Masatoshi YAGI and CHS Group,
    Plasma Fusion Res. 5, 022 (2010).
  107. Direct Measurements of High Harmonic Fast Wave Profile in the UTST Spherical Tokamak Plasma
    Takuma WAKATSUKI, Yoshihiko NAGASHIMA, Takuya OOSAKO, Hiroaki KOBAYASHI, Byung Il AN, Hidetoshi KAKUDA, Takuma YAMADA, Ryota IMAZAWA, Osamu WATANABE, Takashi YAMAGUCHI, Hiroki KURASHINA, Hiroyuki HAYASHI, Kotaro YAMADA, Takuya SAKAMOTO, Kentaro HANASHIMA, Junichi HIRATSUKA, Shuji KAMIO, Ryuma HIHARA, Keita ABE, Morio SAKUMURA, Qinghong CAO, Michiaki INOMOTO, Yasushi ONO, Akira EJIRI and Yuichi TAKASE
    Plasma Fusion Res. 5, 018 (2010)
  108. Steady-State Operation Scenario and the First Experimental Result on QUEST
    Kazuaki HANADA, Kohnosuke SATO, Hideki ZUSHI, Kazuo NAKAMURA, Mizuki SAKAMOTO, Hiroshi IDEI, Makoto HASEGAWA, Yuichi TAKASE, Osamu MITARAI, Takashi MAEKAWA, Yasuaki KISHIMOTO, Masaki ISHIGURO, Tomokazu YOSHINAGA, Hiroe IGAMI, Nobuhiro NISHINO, Hiroshi HONMA, Shoji KAWASAKI, Hisatoshi NAKASHIMA, Aki HIGASHIJIMA, Yuta HIGASHIZONO, Akira ANDO, Nobuyuki ASAKURA, Akira EJIRI, Yoshihiko HIROOKA, Akio ISHIDA, Akio KOMORI, Makoto MATSUKAWA, Osamu MOTOJIMA, Yuichi OGAWA, Noriyasu OHNO, Yasushi ONO, Martin PENG, Shigeru SUDO, Hiroshi YAMADA, Naoaki YOSHIDA and Zensho YOSHIDA,
    Plasma Fusion Res. 5, S1007 (2010).
  109. Poloidal eigenmode of the geodesic acoustic mode in the limit of high safety factor
    M. SASAKI, K. ITOH , A. EJIRI and Y. TAKASE
    J. Plasma Phys. 75, No.6, 721(2009).
  110. Calculation of Beam Trajectories of a Heavy Ion Beam Probe Diagnostic in the TST-2 Spherical Tokamak
    Y. Nagashima, A. Ejiri, A. Fujisawa, and Y. Takase
    IEEJ Trans. FM, Vol.129, No.9, pp.575-579 (2009).
  111. Transient excitation of zonal flows by geodesic acoustic modes
    M. Sasaki, K. Itoh, A. Ejiri and Y. Takase
    Plasma Phys. Control. Fusion 51 085002 (2009).
  112. Phase Alignments between MHD Modes Followed by Minor Collapses on TST-2
    H. TOJO, A. EJIRI, Y. TAKASE, Y. NAGASHIMA, O. WATANABE, Y. ADACHI, T. OOSAKO, T. YAMAGUCHI, B.Il AN, H. KOBAYASHI, H. KURASHINA, H. MATSUZAWA, K. YAMADA, M. SASAKI and T. MASUDA
    Plasma Fusion Res. 4, 015 (2009).
  113. Parametric decay instability during high harmonic fast wave heating experiments on the TST-2 spherical tokamak
    T. Oosako, Y. Takase, A. Ejiri, Y. Nagashima, Y. Adachi, H. Kasahara, T.Yamada, O. Watanabe, H. Tojo, S. Kainaga, J. Sugiyama, T. Yamaguchi, B.An, H. Hayashi, H. Kobayashi, H. Kurashina, H. Matsuzawa, K. Yamada, R.Kumazawa, F. Shimpo, Y. Ono, T. Masuda and M. Sasaki
    Nucl. Fusion, 49, 065020 (2009).
  114. Boundary of the geodesic acoustic eigenmode in the vicinity of the magnetic separatrix
    Y Nagashima1, K Itoh, A Fujisawa, K Shinohara, S-I Itoh, T Ido, M Yagi, K Hoshino, A Ejiri, Y Takase, K Uehara and Y Miura
    Plasma Phys. Contr. Fusion, 51, 065019 (2009).
  115. Non-inductive plasma current start-up by EC and RF power in the TST-2 spherical tokamak
    A. Ejiri, Y. Takase, T. Oosako, T. Yamaguchi, Y. Adachi, O. Watanabe, Y. Nagashima, B.I. An, H. Kobayashi, H. Kurashina, H. Hayashi, H. Matsuzawa, K. Yamada, H. Tojo, T. Masuda, M. Sasaki, R. Kumazawa, H. Kasahara and F. Shimpo
    Nucl. Fusion, 49, 065010 (2009).
  116. Nonlinear self-interaction of geodesic acoustic modes in toroidal plasmas
    M. Sasaki, K. Itoh, Y. Nagashima, A. Ejiri, and Y. Takase
    Phys. Plasmas 16, 022306 (2009).
  117. Detection of a new parametric decay instability branch in TST-2 during high harmonic fast wave heating
    Y. Adachi, A. Ejiri, Y. Takase, O. Watanabe, T. Oosako, H. Tojo, S. Kainaga, T. Masuda, M. Sasaki, J. Sugiyama, and T. Yamaguchi
    Rev. Sci. Instrum. 79, 10F507 (2008).
  118. Poloidal mode analysis of magnetic probe data in a spherical tokamak configuration
    H. Tojo, A. Ejiri, M. P. Gryaznevich, Y. Takase, and Y. Adachi
    Rev. Sci. Instrum. 79, 10F120 (2008).
  119. Plasma Current Sustainment by RF Power in ECH Start-up Plasma in the TST-2 Spherical Tokamak
    Osamu WATANABE, Akira EJIRI, Takashi YAMAGUCHI, Junichi SUGIYAMA, Takuya OOSAKO, Yuuki ADACHI, Kotaro YAMADA, Hiroshi TOJO, Soichiro KAINAGA, Yuichi TAKASE, Yoshihiko NAGASHIMA, Makoto SASAKI and Tetsuya MASUDA,
    Plasma Fusion Res. 3, 049 (2008).
  120. Geodesic Acoustic Modes in Multi-Ion System
    Makoto SASAKI, Kimitaka ITOH, Akira EJIRI and Yuichi TAKASE,
    Plasma Fusion Res. 3, S1017 (2008).
  121. Temporal Evolution of the Pressure Profile and Mode Behavior during Internal Reconnection Events in the MAST Spherical Tokamak
    Hiroshi TOJO, Mikhall P. GRYAZNEVICH, Akira Ejiri, Alan SYKES and Yuichi TAKASE,
    Plasma Fusion Res. 3, S1065 (2008).
  122. Observation of the Internal Structure of Energetic Particle-Driven MHD Modes in a Large Helical Device
    Tokihiko TOKUZAWA, Akira EJIRI, Kazuo KAWAHATA and LHD Experimental Group,
    Plasma Fusion Res. 3, S1064 (2008).
  123. Development of a Compact Thomson Scattering System for the TST-2 Spherical Tokamak
    Soichiro KAINAGA, Akira EJIRI, Yuichi TAKASE, OsamuWATANABE, Yuuki ADACHI, Takuya OOSAKO, Makoto SASAKI, Hiroshi TOJO, Tetsuya MASUDA, Junichi SUGIYAMA and Takashi YAMAGUCHI
    Plasma Fusion Res. 3, 027 (2008).
  124. Electron Cyclotron Heating Start-Up Experiments on TST-2
    Junichi SUGIYAMA, Akira EJIRI, Yuichi TAKASE, Osamu WATANABE, Yuuki ADACHI,Hiroshi TOJO, Makoto SASAKI, Tetsuya MASUDA, Takuya OOSAKO and Soichiro KAINAGA
    Plasma Fusion Res. 3, 026 (2008).
  125. The Response of microwave reflectometry under generalized configuration
    A Ejiri, T Yamada, Y Adachi, O Watanabe and Y Takase
    Plasma Phys. Contr. Fusion 50 No. 6, 065003 (2008).
  126. Radial Eigenmodes of Geodesic Acoustic Modes
    M. Sasaki, K. Itoh, A. Ejiri and Y. Takase,
    Contrib. Plasma Phys. 48, No. 1-3, 68-72 (2008).
  127. Modification of Symmetry of Poloidal Eigenmode of Geodesic Acoustic Modes
    M. SASAKI, K. ITOH, A. EJIRI and Y. TAKASE,
    Plasma Fusion Res. 3, 009(2008).
  128. V-band frequency hopping microwave reflectometer in LHD
    T. Tokuzawa, A. Ejiri, K. Kawahata, K. Tanaka and Y. Ito
    REVIEW OF SCIENTIFIC INSTRUMENTS, 79, 10F109 (2008).
  129. Reflectometry for Density Fluctuation and Profile Measurements in TST-2
    Takuma YAMADA, Akira EJIRI, Yoshiyuki SHIMADA, Takuya OOSAKO, Jiro TSUJIMURA, Yuichi TAKASE, Yuuki TORII, Makoto SASAKI, Hiroshi TOJO, Tetsuya MASUDA, Hideo NUGA, Nobuyuki SUMITOMO, Soichiro KAINAGA and Junichi SUGIYAMA,
    Plasma Fusion Res. 2, S1037 (2007).
  130. Soft X-ray Emission Profile and Mode Structure During MHD Events in the TST-2 Spherical Tokamak
    H. TOJO, A. EJIRI, Y. TAKASE, Y. TORII, T. OSAKO, M. SASAKI, T. MASUDA, Y. SHIMADA, N. SUMITOMO, J. TSUJIMURA, H. NUGA, S. KAINAGA and J. SUGIYAMA
    Plasma Fusion Res. 2, S1065 (2007).
  131. Relative Frequency Calibration for Fast Frequency Sweep Microwave Reflectometry
    A. EJIRI, Y. SHIMADA, T. YAMADA, T. OOSAKO, Y. TAKASE and H. KASAHARA
    Plasma Fusion Research 2, 040(2007).
  132. In search of zonal flows by using direct density fluctuation measurements
    Y Nagashima, K Itoh, S-I Itoh, A Fujisawa, M Yagi, K Hoshino, K Shinohara, A Ejiri, Y Takase, T Ido, K Uehara, Y Miura and the JFT-2M group
    Plasma Phys. Control. Fusion 49 1611-1625 (2007).
  133. Direct measurement of density oscillation induced by a radio-frequency wave
    T. Yamada, A. Ejiri, Y. Shimada, T. Oosako, J. Tsujimura, and Y. Takase and H. Kasahara
    Rev. Sci. Instrum. 78, 083502 (2007).
  134. First Observation of RF-Induced Visible Light Fluctuations
    Yuki TORII, Akira EJIRI, Tetsuya MASUDA, Takuya OOSAKO, Makoto SASAKI, Hiroshi TOJO, Hideo NUGA, Yoshiyuki SHIMADA, Nobuyuki SUMITOMO, Jiro TSUJIMURA, Soichiro KAINAGA, Junichi SUGIYAMA and Yuichi TAKASE
    Plasma Fusion Res. 2, 023 (2007).
  135. Toroidal current initiation in low aspect ratio tokamaks based on single-particle orbit analysis
    A. Ejiri and Y. Takase
    Nucl. Fusion 47, 403?416 (2007).
  136. ECH and HHFW start-up experiments on the TST-2 spherical tokamak
    A. Ejiri, T. Oosako, J. Tsujimura, Y. Shimada, Y. Takase, Y. Torii, M. Sasaki, H. Tojo, T. Masuda, H. Nuga, N. Sumitomo, S. Kainaga, J. Sugiyama and N. Tsujii
    Trans. Fusion Sci. Tech. Vol.51, No. 2T, 168-170 (2007).
  137. Application of differential phase method to interferometry
    T. Yamada, A. Ejiri, S. Shiraiwa and Y. Takase
    Rev. Sci. Instrum. 77, 124701 (2006).
  138. Homodyne reflectometer for neutral beam injection interlock on large helical device,
    K. Tanaka, A. Ejiri, Y. Ito, K. Kawahata, T. Tokuzawa, M. Osakabe, and Y. Takeiri,
    Rev. Sci. Instrum. 77, 10E912 (2006).
  139. A dependence of carbon impurity transport coefficients on fuel ions in hydrogen and helium plasmas of Large Helical Device
    H. Nozato, S. Morita S, M. Goto, Y. Takase, A. Ejiri, T. Amano, K. Tanaka, S. Inagaki and LHD Expt Grp,
    Phys. Plasmas 13, 092502 (2006).
  140. Plasma current start-up experiments without the central solenoid in the TST-2 spherical tokamak
    Y. Takase, A. Ejiri, S. Shiraiwa, Y. Adachi, N. Ishii, H. Kasahara, H. Nuga, Y. Ono, T. Oosako, M. Sasaki, Y. Shimada, N. Sumitomo N, I. Taguch, H. Tojo H, J. Tsujimura, M. Ushigome, T. Yamada, K. Hanada K, M. Hasegawa, H. Idei, K. Nakamura, M. Sakamoto, K. Sasaki, K.N. Sato, H. Zushi, N. Nishino, O. Mitarai
    Nucl. Fusion 46, S598-S602 (2006).
  141. RF start-up and sustainment experiments on the TST-2@K spherical tokamak
    A. Ejiri, Y. Takase, H. Kasahara, T. Yamada, K. Hanada, K. N. Sato, H. Zushi, K. Nakamura, M. Sakamoto, H. Idei, M. Hasegawa, A. Iyomasa, N. Imamura, K. Esaki, M. Kitaguchi, K. Sasaki, H. Hoshika, O. Mitarai and N. Nishino
    Nucl. Fusion 46, 709-713 (2006).
  142. Observation of coherent bicoherence and biphase in potential fluctuations around geodesic acoustic mode frequency on JFT-2M
    Y. Nagashima, K. Itoh, S.I. Itoh, K. Hoshino, A. Fujisawa, A. Ejiri, Y. Takase, M. Yagi, K. Shinohara, K. Uehara, Y. Kusama and JFT-2M group,
    Plasma Phys. Contr. Fusion, 48, A377-A386 (2006).
  143. Bispectral analysis applied to coherent floating potential fluctuations obtained in the edge plasmas on JFT-2M
    Y. Nagashima, K. Itoh, S.I. Itoh, A. Fujisawa, K. Hoshino, Y. Takase, M. Yagi, A. Ejiri, K. Ida, K. Shinohara, K. Uehara, Y. Kusama and JFT-2M group,
  144. High performance tokamak experiments with a ferritic steel wall on JFT-2M
    K. Tsuzuki, H. Kimura, H. Kawashima, M. Sato, K. Kamiya, K. Shinohara,H. Ogawa, K. Hoshino, M. Bakhtiari, S. Kasai, K. Uehara, H. Sasao, Y. Kusama, N. Isei, Y. Miura, T. Ogawa, M. Yamamoto, T. Shibata, K. Kikuchi, K. Miyachi, T. Ito, H. Ajikawa, S. Nomura, H. Tsutsui, R. Shimada, T. Ido, Y. Hamada, N. Fukumoto, M. Nagata, T. Uyama, H. Niimi, S. Yatsu, N. Kayukawa, T. Hino, Y. Hirohata, Y. Nagashima, A. Ejiri, A. Amemiya, Y. Sadamoto and A. Tsushima
    High performance tokamak experiments with a ferritic steel wall on JFT-2M
    Nucl. Fusion 43, 1288-1293 (2003).
  145. Initial studies of core and edge transport of NSTX plasmas
    Synakowski EJ, Bell MG, Bell RE, Bush CE, Bourdelle C, Darrow D, Dorland W, Ejiri A, Fredrickson ED, Gates DA, Kaye SM, Kubota S, Kugel HW, LeBlanc BP, Maingi R, Maqueda RJ, Menard JE, Mueller D, Rosenberg A, Sabbagh SA, Stutman D, Taylor G, Johnson DW, Kaita R, Ono M, Paoletti F, Peebles W, Peng YKM, Roquemore AL, Skinner CH, Soukhanovskii VA and NSTX Res Team
    Plasma Phys. Contr. Fusion 44, A165-A173 (2002).
  146. Four-beam correlation method for local fluctuation measurements in plasmas
    A.Ejiri
    REVIEW OF SCIENTIFIC INSTRUMENTS 73: (4) 1766-1774, APR 2002.
  147. Two-Chord Interferometry Using a Pin Switch for Plasma Density Measurement,
    T. Yamada, A. Ejiri, S. Shiraiwa, Y. Takase
    Jpn. J. Appl. Phys. 40, 7083-7084 (2001).Jpn. J. Appl. Phys. 40, 7083-7084, 2001.
  148. Initial results from the TST-2 spherical tokamak
    Takase Y, Ejiri A, Kasuya N, Mashiko T, Shiraiwa S, Tozawa LM, Akiduki T, Kasahara H, Nagashima Y, Nozato H, Wada H, Yamada H, Yamada T, Yamagishi K
    NUCLEAR FUSION 41: (11) 1543-1550 NOV 2001
  149. Overview of LHD experiments
    Fujiwara M, Kawahata K, Ohyabu N, Kaneko O, Komori A, Yamada H, Ashikawa N, Baylor LR, Combs SK, deVries PC, Emoto M, Ejiri A, Fisher PW, Funaba H, Goto M, Hartmann D, Ida K, Idei H, Iio S, Ikeda K, Inagaki S, Inoue N, Isobe T, Kado S, Khlopenkov K, Kobuchi T, Krasilnikov AV, Kubo S, Kumazawa R, Leuterer F, Liang Y, Lyon JF, Masuzaki S, Minami T, Miyajima J, Morisaki T, Morita S, Murakami S, Muto S, Mutoh T, Nagayama Y, Nakajima N, Nakamura Y, Nakanishi H, Narihara K, Nishimura K, Noda N, Notake T, Ohdachi S, Oka Y, Okajima S, Okamoto M, Osakabe M, Ozaki T, Pavlichenko RO, Peterson BJ, Sagara A, Saito K, Sakakibara S, Sakamoto R, Sanuki H, Sasao H, Sasao M, Sato K, Sato M, Seki T, Shimozuma T, Shoji M, Sugama H, Suzuki H, Takechi M, Takeiri Y, Tamura N, Tanaka K, Toi K, Tokuzawa T, Torii Y, Tsumori K, Watanabe KY, Watanabe T, Watari T, Yamada I, Yamaguchi S, Yamamoto S, Yokoyama M, Yoshida N, Yoshimura Y, Zhao YP, Akiyama R, Haba K, Iima M, Kodaira J, Takita T, Tsuzuki T, Yamauchi K, Yonezu H, Chikaraishi H, Hamaguchi S, Imagawa S, Inoue N, Iwamoto A, Kitagawa S, Kubota Y, Maekawa R, Mito T, Murai K, Nishimura A, Chikaraishi H, Takahata K, Tamura H, Yamada S, Yanagi N, Itoh K, Matsuoka K, Ohkubo K, Ohtake I, Satoh S, Satow T, Sudo S, Tanahashi S, Yamazaki K, Hamada Y, Motojima O
    NUCLEAR FUSION 41: (10) 1355-1367 OCT 2001
  150. Pulsed radar reflectometry on the LHD
    Tokuzawa T, Kawahata K, Pavlichenko RO, Tanaka K, Ejiri A
    REVIEW OF SCIENTIFIC INSTRUMENTS 72: (1) 328-331, Part 2 JAN 2001
  151. Overview of large helical device diagnostics (invited)
    Sudo S, Nagayama Y, Emoto M, Goto M, Hamada Y, Ida K, Ido T, Iguchi H, Inagaki S, Isobe M, Kawahata K, Khlopenkov K, Masuzaki S, Minami T, Morita S, Muto S, Nakanishi H, Narihara K, Nishizawa A, Ohdachi S, Osakabe M, Ozaki T, Peterson BJ, Sakakibara S, Sasao M, Sato K, Shoji M, Tanaka K, Toi K, Tokuzawa T, Watanabe K, Watanabe T, Yamada I, Ashikawa N, Kobuchi T, Liang Y, Tamura N, Sasao H, Ejiri A, Okajima S, Mase A, Tsuji-Iio S, Akiyama T, Zanza V, Bracco G, Sibio A, Tilia B, Krasilnikov AV, Lyon JF, Vyacheslavov LN, Wurden GA
    REVIEW OF SCIENTIFIC INSTRUMENTS 72: (1) 483-491, Part 2 JAN 2001
  152. New type of digital phase linearizer for real-time interferometric measurement
    Tokuzawa T, Kawahata K, Tanaka K, Ito Y, Ejiri A, Simizu T
    REVIEW OF SCIENTIFIC INSTRUMENTS 72: (1) 1103-1106, Part 2 JAN 2001
  153. Multilayer mirror based soft x-ray spectrometer as a high temperature plasma diagnostic
    Duorah S, Ejiri A, Lee S, Iguchi H, Fujisawa A, Kojima M, Matsuoka K, Ishiyama E, Hanada K, Shiraiwa S, Toyama H, Takase Y
    REVIEW OF SCIENTIFIC INSTRUMENTS 72: (1) 1183-1187, Part 2 JAN 2001
  154. Feasibility of microwave transmissivity measurement to obtain density profile of sheet plasmas
    Ejiri A, Kawahata K
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1 39: (5A) 2839-2842 MAY 2000
  155. Multilayer mirror soft x-ray spectrometer for fast electron temperature measurement on the compact helical system
    Lee S, Duorah S, Ejiri A, Iguchi H, Fujisawa A, Ishiyama E, Takase Y, Toyama H, Aramaki M, Kojima M, Okamura S, Matsuoka K
    REVIEW OF SCIENTIFIC INSTRUMENTS 71: (4) 1671-1674 APR 2000
  156. Plasma confinement studies in LHD
    Fujiwara M, Yamada H, Ejiri A, Emoto M, Funaba H, Goto M, Ida K, Idei H, Inagaki S, Kado S, Kaneko O, Kawahata K, Kobuchi T, Komori A, Kubo S, Kumazawa R, Masuzaki S, Minami T, Miyazawa J, Morisaki T, Morita S, Murakami S, Muto S, Mutoh T, Nagayama Y, Nakamura Y, Nakanishi H, Narihara K, Nishimura K, Noda N, Ohdachi S, Ohyabu N, Oka Y, Osakabe M, Ozaki T, Peterson BJ, Sagara A, Sakakibara S, Sakamoto R, Sasao H, Sasao M, Sato K, Sato M, Seki T, Shimozuma T, Shoji M, Suzuki H, Takeiri Y, Tanaka K, Toi K, Tokuzawa T, Tsumori K, Tsuzuki K, Watanabe KY, Watari T, Yamada I, Yamaguchi S, Yokoyama M, Akiyama R, Chikaraishi H, Haba K, Hamaguchi S, Iima M, Imagawa S, Inoue N, Iwamoto K, Kitagawa S, Kodaira J, Kubota Y, Maekawa R, Mito T, Nagasaka T, Nishimura A, Takahashi C, Takahata K, Takita Y, Tamura H, Tsuzuki T, Yamada S, Yamauchi K, Yanagi N, Yonezu H, Hamada Y, Matsuoka K, Murai K, Ohkubo K, Ohtake I, Okamoto M, Satoh S, Satow T, Sudo S, Tanahashi S, Yamazaki K, Motojima O, Iiyoshi A
    NUCLEAR FUSION 39: (11Y) 1659-1666, Sp. Iss. 2 NOV 1999
  157. Overview of the Large Helical Device project
    Iiyoshi A, Komori A, Ejiri A, Emoto M, Funaba H, Goto M, Ida K, Idei H, Inagaki S, Kado S, Kaneko O, Kawahata K, Kobuchi T, Kubo S, Kumazawa R, Masuzaki S, Minami T, Miyazawa J, Morisaki T, Morita S, Murakami S, Muto S, Mutoh T, Nagayama Y, Nakamura Y, Nakanishi H, Narihara K, Nishirnura K, Noda N, Ohdachi S, Ohyabu N, Oka Y, Osakabe M, Ozaki T, Peterson BJ, Sagara A, Sakakibara S, Sakamoto R, Sasao H, Sasao M, Sato K, Sato M, Seki T, Shimozuma T, Shoji M, Suzuki H, Takeiri Y, Tanaka E, Toi K, Tokuzawa T, Tsumori K, Tsuzuki K, Watanabe KY, Watari T, Yamada H, Yamada I, Yamaguchi S, Yokoyama M, Akiyama R, Chikaraishi H, Haba K, Hamaguchi S, Iima M, Imagawa S, Inoue N, Iwamoto K, Kitagawa S, Kodaira J, Kubota Y, Maekawa R, Mito T, Nagasaka T, Nishimura A, Takahashi C, Takahata K, Takita Y, Tamura H, Tsuzuki T, Yamada S, Yamauchi K, Yanagi N, Yonezu H, Hamada Y, Matsuoka K, Murai K, Ohkubo K, Ohtake I, Okamoto M, Satoh S, Satow T, Sudo S, Tanahashi S, Yamazaki K, Fujiwara M, Motojima O
    NUCLEAR FUSION 39: (9Y) 1245-1256, Sp. Iss. 1 SEP 1999
  158. Confinement physics study in a small low aspect ratio helical device: CHS
    Okamura S, Matsuoka K, Akiyama R, Darrow DS, Ejiri A, Fujisawa A, Fujiwara M, Goto M, Ida K, Idei H, Iguchi H, Inoue N, Isobe M, Itoh K, Kado S, Khlopenkov K, Kondo T, Kubo S, Lazaros A, Lee S, Matsunaga G, Minami T, Morita S, Murakami S, Nakajima N, Nikai N, Nishimura S, Nomura I, Ohdachi S, Ohkuni K, Osakabe M, Pavlichenko R, Peterson BJ, Sakamoto R, Sanuki H, Sasao M, Shimizu A, Shirai Y, Sudo S, Takagi S, Takahashi C, Takayama S, Takechi M, Tanaka K, Toi K, Watari T, Yamazaki K, Yokoyama M, Yoshimura Y
    NUCLEAR FUSION 39: (9Y) 1337-1350, Sp. Iss. 1 SEP 1999
  159. Initial physics achievements of large helical device experiments
    Motojima O, Yamada H, Komori A, Ohyabu N, Kawahata K, Kaneko O, Masuzaki S, Ejiri A, Emoto M, Funaba H, Goto M, Ida K, Idei H, Inagaki S, Inoue N, Kado S, Kubo S, Kumazawa R, Minami T, Miyazawa J, Morisaki T, Morita S, Murakami S, Muto S, Mutoh T, Nagayama Y, Nakamura Y, Nakanishi H, Narihara K, Nishimura K, Noda N, Kobuchi T, Ohdachi S, Oka Y, Osakabe M, Ozaki T, Peterson BJ, Sagara A, Sakakibara S, Sakamoto R, Sasao H, Sasao M, Sato K, Sato M, Seki T, Shimozuma T, Shoji M, Suzuki H, Takeiri Y, Tanaka K, Toi K, Tokuzawa T, Tsumori K, Tsuzuki K, Yamada I, Yamaguchi S, Yokoyama M, Watanabe KY, Watari T, Hamada Y, Matsuoka K, Murai K, Ohkubo K, Ohtake I, Okamoto M, Satoh S, Satow T, Sudo S, Tanahashi S, Yamazaki K, Fujiwara M, Iiyoshi A
    PHYSICS OF PLASMAS 6: (5) 1843-1850, Part 2 MAY 1999
  160. Study of toroidal current penetration during current ramp in JIPP T-IIU with fast response Zeeman polarimeter
    Kuramoto H, Toi K, Hiraki N, Sato K, Xu J, Ejiri A, Narihara K, Seki T, Ohdachi S, Adati K, Akiyama R, Hamada Y, Hirokura S, Kawahata K, Kojima M
    NUCLEAR FUSION 38: (1) 59-73 JAN 1998
  161. Electric pulsation and profile quantization in CHS heliotron/torsatron
    Fujisawa A, Iguchi H, Idei H, Kubo S, Matsuoka K, Okamura S, Tanaka K, Minami T, Ohdachi S, Morita S, Zushi H, Lee S, Osakabe M, Akiyama R, Yoshimura Y, Toit K, Sanuki H, Itoh K, Shimizu A, Takagi S, Ejiri A, Takahashi C, Kojima M, Hidekuma S, Ida K, Nishimura S, Isobe M, Inoue N, Sakamoto R, Itoh SI, Hamada Y, Fujiwara M
    PLASMA PHYSICS AND CONTROLLED FUSION 41: A561-A568, Suppl. 3A MAR 1999
  162. Effects of magnetic shear on electron cyclotron resonance heating in heliotron/torsatron configurations
    Nagasaki K, Ejiri A, Mizuuchi T, Obiki T, Okada H, Sano F, Zushi H, Besshou S, Kondo K
    PHYSICS OF PLASMAS 6: (2) 556-564 FEB 1999
  163. Linear mode conversion between ordinary and extraordinary waves in plasma with large magnetic shear
    Minami K, Ejiri A, Tanaka K, Watanabe T
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1 37: (12A) 6601-6608 DEC 1998
  164. A two color millimeter-wave interferometer for the measurement of line integral electron density on large helical device
    Kawahata K, Tanaka K, Ito Y, Ejiri A, Wylde RJ
    REVIEW OF SCIENTIFIC INSTRUMENTS 70: (1) 695-698, Part 2 JAN 1999
  165. Far infrared laser interferometer system on the Large Helical Device
    Kawahata K, Tanaka K, Ito Y, Ejiri A, Okajima S
    REVIEW OF SCIENTIFIC INSTRUMENTS 70: (1) 707-709, Part 2 JAN 1999
  166. Faraday rotation measurements on compact helical system by using a phase sensitive heterodyne polarimeter
    Tanaka K, Kawahata K, Ejiri A, Group CHS, Howard J, Okajima S
    REVIEW OF SCIENTIFIC INSTRUMENTS 70: (1) 730-733, Part 2 JAN 1999
  167. Discovery of electric pulsation in a toroidal helical plasma
    Fujisawa A, Iguchi H, Idei H, Kubo S, Matsuoka K, Okamura S, Tanaka K, Minami T, Ohdachi S, Morita S, Zushi H, Lee S, Osakabe M, Akiyama R, Yoshimura Y, Toi K, Sanuki H, Itoh K, Shimizu A, Takagi S, Ejiri A, Takahashi C, Kojima M, Hidekuma S, Ida K, Nishimura S, Isobe M, Inoue N, Sakamoto R, Itoh SI, Hamada Y, Fujiwara M
    PHYSICAL REVIEW LETTERS 81: (11) 2256-2259 SEP 14 1998
  168. Properties of extraordinary mode interferometry for plasma density measurements
    Ejiri A, Kawahata K, Okajima S
    REVIEW OF SCIENTIFIC INSTRUMENTS 69: (6) 2349-2353 JUN 1998
  169. An algorithm to remove fringe jumps and its application to microwave reflectometry
    Ejiri A, Shinohara K, Kawahata K
    PLASMA PHYSICS AND CONTROLLED FUSION 39: (12) 1963-1980 DEC 1997
  170. Observation of dust particles by a laser scattering method in the JIPPT-IIU tokamak
    Narihara K, Toi K, Hamada Y, Yamauchi K, Adachi K, Yamada I, Sato KN, Kawahata K, Nishizawa A, Ohdachi S, Sato K, Seki T, Watari T, Xu J, Ejiri A, Hirokura S, Ida K, Kawasumi Y, Kojima M, Sakakita H, Ido T, Kitachi K, Koog J, Kuramoto H
    NUCLEAR FUSION 37: (8) 1177-1182 AUG 1997
  171. Large potential change induced by pellet injection in JIPP T-IIU tokamak plasmas
    Hamada Y, Sato KN, Sakakita H, Nishizawa A, Kawasumi Y, Liang R, Kawahata K, Ejiri A, Toi K, Narihara K, Saito K, Seki T, Iguchi H, Fujisawa A, Adachi K, Hidekuma S, Hirokura S, Ida K, Kojima M, Koong J, Kumazawa R, Kuramoto H, Minami T, Sasao M, Tsuzuki T, Xu J, Yamada I, Watari T
    NUCLEAR FUSION 36: (8) 1047-1052 AUG 1996
  172. Fast potential change during sawteeth in JIPP T-IIU tokamak plasmas
    Hamada Y, Nishizawa A, Kawasumi Y, Kawahata K, Itoh K, Ejiri A, Toi K, Narihara K, Sato K, Seki T, Iguchi H, Fujisawa A, Adachi K, Hidekuma S, Hirokura S, Ida K, Kojima M, Koong J, Kumazawa R, Kuramoto H, Liang R, Minami T, Sakakita H, Sasao M, Sato KN, Tsuzuki T, Xu J, Yamada I, Watari T
    NUCLEAR FUSION 36: (4) 515-520 APR 1996
  173. Density fluctuations in Jipp T-IIU tokamak plasmas measured by a heavy ion beam probe
    Hamada Y, Nishizawa A, Kawasumi Y, Fujisawa A, Narihara K, Ida K, Ejiri A, Ohdachi S, Kawahata K, Toi K, Sato K, Seki T, Iguchi H, Adachi K, Hidekuma S, Hirokura S, Iwasaki K, Ido T, Kojima M, Koong J, Kumazawa R, Kuramoto H, Minami T, Nomura I, Sakakita H, Sasao M, Sato KN, Tsuzuki T, Xu J, Yamada I, Watari T
    NUCLEAR FUSION 37: (7) 999-1014 JUL 1997
  174. Strong electron heating in CHS ICRF heating experiments
    Masuda S, Kumazawa R, Nishimura K, Mutoh T, Watari T, Simbo F, Seki T, Ido T, Akiyama R, Ando A, Ejiri A, Idei H, Ida K, Iguchi H, Isobe M, Iwase M, Kubo S, Matsuoka K, Morisaki T, Morita S, Mutoh S, Murakami S, Okamura S, Ozaki T, Sakakibara S, Sasao M, Takahashi C, Kawamoto T, Tanaka K, Xu J, Yamada H, Yamada I, Rasmussen DA, Lyon JF, Wilgen JB, Greenwood DE, Hoffman DJ, Jaeger EF, Murakami M
    NUCLEAR FUSION 37: (1) 53-68 JAN 1997
  175. Development of Thomson scattering diagnostics for the large helical device
    Narihara K, Yamauchi K, Yamada I, Minami T, Adachi K, Ejiri A, Hamada Y, Ida K, Iguchi H, Kawahata K, Ozaki T, Toi K
    FUSION ENGINEERING AND DESIGN 34-5: 67-72 MAR 1997
  176. Measurement of the poloidal magnetic field with high time resolution Zeeman polarimeter in the JIPP T-IIU tokamak
    Kuramoto H, Hiraki N, Moriyama S, Toi K, Sato K, Narihara K, Ejiri A, Seki T
    FUSION ENGINEERING AND DESIGN 34-5: 285-288 MAR 1997
  177. Measurement of motional Stark spectrum of a neutral beam emission in JIPP T-IIU plasma
    Xu J, Ida K, Toi K, Ejiri A, Narihara K, Nishizawa A, Seki T, Akiyama A, Fujita J
    FUSION ENGINEERING AND DESIGN 34-5: 293-296 MAR 1997
  178. Measurement of ablation cloud parameters and plasma potential with on/off-axis pellet injection in the JIPP T-IIU tokamak
    Sakakita H, Sato KN, Nomura I, Hamada Y, Nishizawa A, Kawasumi Y, Ida K, Xu J, Narihara K, Toi K, Ejiri A, Seki T, Adachi K, Iguchi H, Fujisawa A, Liang R, Sakamoto M, Kano Y, Hirokura S, Hidekuma S, Kojima M
    FUSION ENGINEERING AND DESIGN 34-5: 329-332 MAR 1997
  179. Design and construction of a far infrared laser interferometer for the LHD
    Kawahata K, Ejiri A, Tanaka K, Ito Y, Okajima S
    FUSION ENGINEERING AND DESIGN 34-5: 393-397 MAR 1997
  180. Temporal evolutions of electron density profiles of CHS and its transport aspects
    Tanaka K, Ejiri A, Kawahata K, Okajima S, Matsuoka K, Okamura S, Nishimura K, Akiyama R, Ida K, Idei H, Iguchi H, Inoue N, Kubo S, Kumazawa R, Morita S, Minami T, Muto S, Narihara K, Ozaki T, Suzuki H, Takahashi C, Toi K, Xu J, Yamada I
    FUSION ENGINEERING AND DESIGN 34-5: 399-401 MAR 1997
  181. Various types of microwave reflectometer for density fluctuation measurements
    Ejiri A, Kawahata K, Tanaka K
    FUSION ENGINEERING AND DESIGN 34-5: 429-432 MAR 1997
  182. Plasma scattering measurement using a submillimeter wave gyrotron (gyrotron FU-II) as a power source
    Ogawa I, Iwata M, Idehara T, Kawahata K, Iguchi H, Ejiri A
    FUSION ENGINEERING AND DESIGN 34-5: 455-458 MAR 1997
  183. Design study of high energy neutral particle measurements in a LHD
    Ozaki T, Okamura S, Zanza V, Bracco G, Moleti A, Tilia B, Sibio A, Sudo S, Yamada H, Morita S, Akiyama R, Ejiri A, Fujisawa A, Hamada Y, Hasegawa Y, Ida K, Idei H, Iguchi H, Inoue N, Iwase M, Komori A, Kubo S, Kumazawa R, Liang Y, Masuda S, Matsuoka K, Minami T, Muto S, Narihara K, Nishimura K, Nishimura S, Nomura I, Odachi S, Sagara A, Suzuki H, Tanaka K, Takahashi C, Toi K, Xu J, Yamada I, Watari T
    FUSION ENGINEERING AND DESIGN 34-5: 535-538 MAR 1997
  184. Measurement of magnetic field fluctuations within last closed flux surface with movable magnetic probe array in the JIPP T-IIU tokamak
    Kitachi K, Oike T, Ohdachi S, Toi K, Akiyama R, Ejiri A, Hamada Y, Kuramoto H, Narihara K, Seki T
    FUSION ENGINEERING AND DESIGN 34-5: 733-736 MAR 1997
  185. Large Helical Device (LHD) program
    Fujiwara M, Yamazaki K, Okamoto M, Todoroki J, Amano T, Watanabe T, Hayashi T, Sanuki H, Nakajima N, Itoh K, Sugama H, Ichiguchi K, Murakami S, Motojima O, Yamamoto J, Satow T, Yanagi N, Imagawa S, Takahata K, Tamura H, Nishimura A, Komori A, Inoue N, Noda N, Sagara A, Kubota Y, Akaishi N, Satoh S, Tanahashi S, Chikaraishi H, Mito T, Yamada S, Yamaguchi S, Sudo S, Sato KN, Watari T, Kuroda T, Kaneko O, Ohkubo K, Kitagawa S, Ando A, Idei H, Tsumori K, Kubo S, Kumazawa R, Mutoh T, Oka Y, Sato M, Seki T, Shimozuma T, Takeiri Y, Hamada Y, Narihara K, Kawahata K, Fujisawa S, Hidekuma S, Minami T, Yamada I, Ejiri A, Tanaka K, Sasao M, Iguchi H, Watanabe KY, Yamada H, Ohyabu N, Suzuki H, Iiyoshi A
    JOURNAL OF FUSION ENERGY 15: (1-2) 7-153 JUN 1996
  186. Transition behaviour in the H-mode of the CHS heliotron/torsatron
    Toi K, Ohdachi S, Morisaki T, Sakakibara S, Morita S, Minami T, Tanaka K, Yamada H, Okamura S, Nishimura K, Matsuoka K, Yamada I, Akiyama R, Ando A, Ejiri A, Ida K, Idei H, Iguchi H, Komori A, Kubo S, Narihara K, Ozaki T, Takahashi C, Tsumori K, Xu J
    PLASMA PHYSICS AND CONTROLLED FUSION 38: (8) 1289-1293 AUG 1996
  187. Measurement of edge density profiles and fluctuations in the H-mode discharge of the compact helical system (CHS) with a thermal neutral lithium beam probe
    Morisaki T, Komori A, Toi K, Ando A, Ejiri A, Ida K, Iguchi H, Kawai Y, Matsuoka K, Morita S, Motojima O, Nishimura K, Okamura S, Sakakibara S, Takahashi C, Tanaka K, Yamada H
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 65: (1) 133-138 JAN 1996
  188. MEASUREMENT OF VELOCITY FLUCTUATIONS IN PLASMAS BY A CONVENTIONAL VISIBLE SPECTROMETER
    EJIRI A, OIKAWA T, TOYAMA H
    REVIEW OF SCIENTIFIC INSTRUMENTS 66: (9) 4600-4606 SEP 1995
  189. LAUNCHING CONDITIONS FOR ELECTRON-CYCLOTRON HEATING IN A SHEARED MAGNETIC-FIELD
    NAGASAKI K, EJIRI A
    NUCLEAR FUSION 35: (5) 609-612 MAY 1995
  190. APPLICATION OF A GRATING POLARIZER TO THE 106.4-GHZ ECH SYSTEM ON HELIOTRON-E
    NAGASAKI K, ISAYAMA A, EJIRI A
    REVIEW OF SCIENTIFIC INSTRUMENTS 66: (6) 3432-3437 JUN 1995
  191. EFFECT OF PLASMA CURRENT ON MAGNETOHYDRODYNAMIC MODES IN NEUTRAL BEAM HEATED PLASMAS IN COMPACT HELICAL SYSTEM
    SAKAKIBARA S, YAMADA H, TOI K, EJIRI A, ANDO A, IGUCHI H, MATSUOKA K, MORITA S, MOTOJIMA O, NISHIMURA K, OKAMURA S, TANAKA K
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 2 34: (2B) L252-L255 FEB 15 1995
  192. MHD STABILITY OF HIGH-BETA PLASMAS IN CHS
    OKAMURA S, NAKAJIMA N, YAMADA H, MATSUOKA K, NISHIMURA K, ANDO A, EJIRI A, IDA K, IGUCHI H, MINAMI T, MORITA S, NARIHARA K, XU JH, YAMADA I, SAKAKIBARA S
    FUSION TECHNOLOGY 27: 178-181, Suppl. S APR 1995
  193. H-MODE STUDY IN CHS
    TOI K, MORISAKI T, SAKAKIBARA S, OHDACHI S, MINAMI T, MORITA S, YAMADA H, TANAKA K, IDA K, OKAMURA S, EJIRI A, IGUCHI H, NISHIMURA K, MATSUOKA K, ANDO A, XU J, YAMADA I, NARIHARA K, AKIYAMA R, IDEI H, KUBO S, OZAKI T, TAKAHASHI C, TSUMORI K
    FUSION TECHNOLOGY 27: 190-193, Suppl. S APR 1995
  194. MAGNETIC-CONFIGURATION EFFECT ON MDH MODES IN NBI HEATED PLASMAS IN CHS
    SAKAKIBARA S, YAMADA H, TOI K, EJIRI A, IDA K, IGUCHI H, MATSUOKA K, MINAMI T, MORISAKI T, MORITA S, MOTOJIMA O, NARIHARA K, NISHIMURA K, OKAMURA S, TANAKA K, XU J, YAMADA I, WATANABE K
    FUSION TECHNOLOGY 27: 231-234, Suppl. S APR 1995
  195. MEASUREMENTS OF H/(H+D) RATIOS IN ICRF HEATING EXPERIMENTS OF CHS
    OZAKI T, MORITA S, KUMAZAWA R, NISHIMURA K, MASUDA S, EJIRI A, MINAMI T, YAMADA I, NARIHARA K, OKAMURA S, MATSUOKA K, SAGARA A, IDEI H, KUBO S, TANAKA K, TAKAHASHI C
    FUSION TECHNOLOGY 27: 244-247, Suppl. S APR 1995
  196. TEMPERATURE SCALINGS IN THE REPUTE-1 REVERSED-FIELD PINCH PLASMA
    EJIRI A, OHDACHI S, OIKAWA T, SHINOHARA S, TOYAMA H, YAMAGISHI K, MIYAMOTO K
    FUSION TECHNOLOGY 27: 297-300, Suppl. S APR 1995
  197. HIGH-BETA DISCHARGES WITH NEUTRAL BEAM INJECTION IN CHS
    OKAMURA S, MATSUOKA K, NISHIMURA K, TSUMORI K, AKIYAMA R, SAKAKIBARA S, YAMADA H, MORITA S, MORISAKI T, NAKAJIMA N, TANAKA K, XU J, IDA K, IGUCHI H, LAZAROS A, OZAKI T, ARIMOTO H, EJIRI A, FUJIWARA M, IDEI H, KANEKO O, KAWAHATA K, KAWAMOTO T, KOMORI A, KUBO S, MOTOJIMA O, PUSTOVITOV VD, TAKAHASHI C, TOI K, YAMADA I
    NUCLEAR FUSION 35: (3) 283-296 MAR 1995
  198. HIGH-BETA EXPERIMENT AND CONFINEMENT REGIMES IN A COMPACT HELICAL SYSTEM
    MATSUOKA K, OKAMURA S, NISHIMURA K, TSUMORI K, AKIYAMA R, YAMADA H, SAKAKIBARA S, LAZAROS A, XU J, IDA K, TANAKA K, MORISAKI T, MORITA S, ARIMOTO H, EJIRI A, FUJIWARA M, IDEI H, IGUCHI H, KANEKO O, KAWAMOTO T, KUBO S, KURODA T, MOTOJIMA O, OZAKI T, PUSTOVITOV VD, SAGARA A, TAKAHASHI C, TOI K, WATARI T, YAMADA I
    FUSION ENGINEERING AND DESIGN 26: (1-4) 135-140 JAN 1995
  199. ADVANCES IN REFLECTOMETRIC DENSITY PROFILE MEASUREMENTS ON THE DIII-D TOKAMAK
    KIM KW, DOYLE EJ, PEEBLES WA, EJIRI A, LUHMANN NC, RETTIG CL
    REVIEW OF SCIENTIFIC INSTRUMENTS 66: (2) 1229-1232, Part 1 FEB 1995
  200. IMPROVEMENT OF A 500-KEV HEAVY-ION-BEAM PROBE FOR JIPP T-IIU TOKAMAK
    HAMADA Y, KAWASUMI Y, NISHIZAWA A, NARIHARA K, SATO K, SEKI T, TOI K, IGUCHI H, FUJISAWA A, ADACHI K, EJIRI A, HIDEKUMA S, HIROKURA S, IDA K, KAWAHATA K, KOJIMA M, JOONG K, KUMAZAWA R, KURAMOTO H, LIANG R, MINAMI T, SAKAKITA H, SASAO M, SATO KN, TSUZUKI T, XU J, YAMADA I, WATARI T
    REVIEW OF SCIENTIFIC INSTRUMENTS 66: (1) 321-323, Part 2 JAN 1995
  201. ION-HEATING MODEL DURING MAGNETIC RECONNECTION IN REVERSED-FIELD PINCH PLASMAS
    EJIRI A, MIYAMOTO K
    PLASMA PHYSICS AND CONTROLLED FUSION 37: (1) 43-56 JAN 1995
  202. EXPERIMENTAL-OBSERVATION OF MAGNETIC FLUCTUATIONS IN NBI HEATED PLASMAS IN CHS
    SAKAKIBARA S, YAMADA H, EJIRI A, IDA K, MATSUOKA K, MORISAKI T, MORITA S, MOTOJIMA O, NISHIMURA K, OKAMURA S, TAKAHASHI C, TOI K, WATANABE K
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 63: (12) 4406-4421 DEC 1994
  203. MEASUREMENT OF PROFILES OF THE SPACE POTENTIAL IN JIPP T-IIU TOKAMAK PLASMAS BY SLOW POLOIDAL AND FAST TOROIDAL SWEEPS OF A HEAVY-ION BEAM
    HAMADA Y, NISHIZAWA A, KAWASUMI Y, NARIHARA K, SATO K, SEKI T, TOI K, IGUCHI H, FUJISAWA A, ADACHI K, EJIRI A, HIDEKUMA S, HIROKURA S, IDA K, KOONG J, KAWAHATA K, KOJIMA M, KUMAZAWA R, KURAMOTO H, LIANG R, SAKAKITA H, SASAO M, SATO KN, TSUZUKI T, XU J, YAMADA I, WATARI T, NEGI I
    PLASMA PHYSICS AND CONTROLLED FUSION 36: (11) 1743-1761 NOV 1994
  204. H-MODE TRANSITION IN THE CHS HELIOTRON TORSATRON
    TOI K, AKIYAMA R, ARIMOTO H, EJIRI A, IDA K, IDEI H, IGUCHI H, KANEKO O, KAWAHATA K, KOMORI A, KUBO S, MATSUOKA K, MORISAKI T, MORITA S, NISHIMURA K, OKAMURA S, SAGARA A, SAKAKIBARA S, TAKAHASHI C, TAKITA Y, TANAKA K, TSUMORI K, XU J, YAMADA H, YAMADA I
    PLASMA PHYSICS AND CONTROLLED FUSION 36: (7) A117-A122, Suppl. A JUL 1994
  205. MAGNETIC AND VELOCITY FLUCTUATION MEASUREMENTS IN THE REPUTE-1 REVERSED-FIELD PINCH PLASMA
    EJIRI A, OHDACHI S, OIKAWA T, SHINOHARA S, YAMAGISHI K, TOYAMA H, MIYAMOTO K
    PHYSICS OF PLASMAS 1: (5) 1177-1185, Part 1 MAY 1994
  206. Fluctuations-Induced Transports and Anomalous Heating in RFP, ULQ and VLQ Plasmas,
    H. Toyama, H. Ji, A. Ejiri, T. Yoshikawa, Y. Shimazu,
    T. Asakura, M. Awano, A. Fujisawa, S. Ohdachi, T. Oikawa,
    K. Shimano, K. Shinohara, S. Shinohara, K. Yamagishi, K. Miyamoto,
    Z. Yoshida, S. Kido, Y. Ogawa, N. Nihei, J. Morikawa, S. Takeji,
    J. Uchikado, K. Sasaki, M. Watanabe, H. Nakanishi, Y. Yamakoshi, N. Inoue,
    Plasma Physics and Cotrolled Nuclear Fusion Research 1992,
    (Proc. of the 14th Int. Conf., 1992),
    2 547-52 (1993).
  207. 1ST RESULTS OF BORONIZATION IN REPUTE-1 RFP
    SHINOHARA S, YAMAGISHI K, OHDACHI S, EJIRI A, TOYAMA H, MIYAMOTO K
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 61: (9) 3030-3033 SEP 1992
  208. WALL CONDITIONING AND ITS EFFECT OF RFP PLASMA PERFORMANCE IN REPUTE-1
    SHINOHARA S, YAMAGISHI K, OHDACHI S, EJIRI A, MAYANAGI K, SHIMAZU Y, MIYAMOTO K
    PLASMA PHYSICS AND CONTROLLED FUSION 34: (4) 627-633 APR 1992
  209. Anomaly of Ion Temperature in the Reversed Field Pinch (RFP) and Ultra Low Q (ULQ) Plasmas of REPUTE-1 and 1Q,
    K. Miyamoto, N. Asakura, A. Ejiri, A. Fujisawa, T. Fujita, N. Inoue, H. Ji, S. Matsui, K. Mayanagi, J. Morikawa, H. Morimoto, D. Nagahara, Y. Nagayama, H. Nihei, S. Ohdachi,T. Okabe, Y. Shimazu, K. Shimoji, S. Shinohara, A. Shirai, S. Takeji, H. Toyama, K. Yamagishi, Z. Yoshida,
    Plasma Physics and Cotrolled Nuclear Fusion Research 1991
    (Proc. of the 13th Int. Conf. Washington, D.C. Oct., 1990)
    IAEA, Vienna, 2, 525 (1991).
  210. Results of ultra-low q and reversed field pinch experiments on REPUTE-1 and TORIUT-6,
    N. Inoue, Z. Yoshida, Y. Kamada, N. Asakura, M. Chaki, A. Ejiri, A. Fujisawa, T. Fujita, Y. Fuke, Y. Fukuda, K. Hattori, T. Iguchi, K. Itami, H. Ji, K. Miyamoto, J. Morikawa, H. Morimoto, Y. Murakami, Y. Nagayama, M. Nakazawa, H. Nihei, K. Saito, K. Shimoji, S. Shinohara, A. Shirai, H. Toyama, M. Utsumi, K. Yamagishi
    Plasma Physics and Controlled Nuclear Fusion Research 1988, Proceedings of the Twelfth International Conference Held by the International Atomic Energy Agency, 2 671-6 (1988).
  211. Electron Bernstein wave emission diagnostic assisted by reflectometry on TST-2 spherical tokamak,
    S.Shiraiwa, Y.Nagashima, M.Ushigome, T.Yamada, T.Taniguchi, S.Ohara, K.Yamagishi., H.Kasahara D.Iijima, Y.Kobori, T.Nishi, M.Aramasu, A.Ejiri, and Y.Takase,
    REVIEW OF SCIENTIFIC INSTRUMENTS, 74, 1453-1456, Mar. 2003.
  212. Progress toward a practical magnetic field diagnostic for low-field fusion plasmas based on dual mode correlation reflectometry,
    M.Gilmore, W.A.Peebles., S.Kubota, X.V.Nguyen, and A.Ejiri,
    REVIEW OF SCIENTIFIC INSTRUMENTS, 2003, 74, 1469-1472, Mar. 2003.
  213. X-mode pulsed radar reflectometer for density fluctuation measurements on LHD
    T.Tokuzawa., K.Kawahata, K.Tanak., Y.Nagayama, T.Kaneba, and A.Ejiri
    REVIEW OF SCIENTIFIC INSTRUMENTS, 74, 1506-1509 Mar. 2003.
  214. Acceleration characteristics of spherical and nonspherical pellets by the LHD impurity pellet injector,
    H. Nozato, S.Morita, M.Goto, A.Ejiri., and Y.Takase,
    REVIEW OF SCIENTIFIC INSTRUMENTS, 74, 2032-2035, Mar. 2003.
  215. Ion Temperature Increase During MHD Events on the TST-2 Spherical Tokamak
    A. Ejiri, S. Shiraiwa, Y. Takase, T. Yamada, Y. Nagashima, H. Kasahara, D. Iijima, Y. Kobori, T. Nishi, T. Taniguchi, M. Aramasu, S. Ohara, M. Ushigome, K. Yamagishi
    Nucl. Fusion, 43, 547-552 Jun. 2003.
  216. Recent diagnostic developments on LHD
    S Sudo, T Ozaki, N Ashikawa, M Emoto, M Goto, Y Hamada, K Ida, T Ido, H Iguchi, S Inagaki, M Isobe, K Kawahata, K Khlopenkov, T Kobuchi, Y Liang, S Masuzaki, T Minami, S Morita, S Muto, Y Nagayama, H Nakanishi, K Narihara, A Nishizawa, S Ohdachi, M Osakabe, B J Peterson, S Sakakibara, M Sasao, K Sato, M Shoji, N Tamura, K Tanaka, K Toi, T Tokuzawa, K Watanabe, T Watanabe, I Yamada, LHD Team, P Goncharov, A Ejiri, S Okajima, A Mase, S Tsuji-Iio, T Akiyama, J F Lyon, L N Vyacheslavov and A Sanin
    Plasma Phys. Contr. Fusion, 45, 1127-1142 Jul. 2003.
  217. Visible Fluctuation Measurements on the TST-2 Spherical Tokamak
    A. Ejiri, S. Shiraiwa, Y. Takase, Y. Nagashima H. Kasahara, T. Yamada, D. Iijima, Y. Kobori, T. Nishi, T. Taniguchi and K. Yamagishi
    Jap. J. Appl. Physics, 42, Part1, 7557-7563, Dec. 2003.
  218. Recent diagnostic developments on LHD
    S Sudo, Y Nagayama, B J Peterson, K Kawahata, T Akiyama, N Ashikawa, M Emoto, M Goto, Y Hamada, K Ida, T Ido, H Iguchi, S Inagaki, M Isobe, T Kobuchi, A Komori, Y Liang, S Masuzaki, T Minami, T Morisaki, S Morita, S Muto, Y Nakamura, H Nakanishi, M Narushima, K Narihara, M Nishiura, A Nishizawa, S Ohdachi, M Osakabe, T Ozaki, R O Pavlichenko, S Sakakibara, K Sato, M Shoji, N Tamura, K Tanaka, K Toi, T Tokuzawa, K Y Watanabe, T Watanabe, H Yamada, I Yamada, M Yoshinuma, P Goncharov, D Kalinina, T Kanaba, T Sugimoto, A Ejiri, Y Ono, H Hojo, K Ishii, N Iwama, Y Kogi, A Mase, M Sakamoto, K Kondo, H Nagasaki, S Yamamoto, N Nishino, S Okajima, T Saida, M Sasao, T Takeda, S Tsuji-Iio, D S Darrow, H Takahashi, Y Liu, J F Lyon, A Yu Kostrioukov, V B Kuteev, V Sergeev, I Viniar, A V Krasilnikov, A Sanin, L N Vyacheslavov, D Stutman, M Finkenthal, O Motojima and LHD Group
    Plasma Phys. Contr. Fusion, 45, A425-A443, Nov. 2003.
  219. Results of NSTX Heating Experiments,
    D. Mueller, M. Ono, M.G. Bell, R.E. Bell, M. Bitter, C. Bourdelle, D.S. Darrow, P.C. Efthimion, E.D. Fredrickson, D.A. Gates, R.J. Goldston, L.R. Grisham, R.J. Hawryluk, K.W. Hill, J.C. Hosea, S.C. Jardin, H. Ji, S.M. Kaye, R. Kaita, H.W. Kugel, D.W. Johnson, B.P. LeBlanc, R. Majeski, E. Mazzucato, S.S. Medley, J.E. Menard, H.K. Park, S.F. Paul, C.K. Phillips, M.H. Redi, A.L. Rosenberg, C.H. Skinner, V.A. Soukhanovskii, B. Stratton, E.J. Synakowski, G. Taylor, J.R. Wilson, S.J. Zweben, W.D. Dorland, Y.K.M. Peng, R. Barry, T. Bigelow, C.E. Bush, M. Carter, R. Maingi, M. Menon, P.M. Ryan, D.W. Swain, J. Wilgen, S.A. Sabbagh, F. Paoletti, J. Bialek, W. Zhu, R. Raman, T.R. Jarboe, B.A. Nelson, R.J. Maqueda, G.A.Wurden,R.I. Pinsker, M. Schaffer, J. Ferron, L. Lao, D. Stutman, M. Finkenthal, W. Wampler, S. Kubota, W.A. Peebles, M. Gilmore, T.K. Mau, K.C. Lee, C.W. Domier, B.H. Deng, M. Johnson, N.C. Luhmann, Jr., P.Bonoli, A. Bers, A. Ram, R. Akers, Y. Takase, A. Ejiri, Y. Ono,S. Shiraiwa,N. Nishino, O. Mitarai, M. Nagata, J.G. Yang, H. Na, D. Pacella
    IEEE Trans. Plasma Science, 31, 60-67 (2003).
  220. Recent advances in the LHD experiment
    Motojima O, Ohyabu N, Komori A, Kaneko O, Yamada H, Kawahata K, Nakamura Y, Ida K, Akiyama T, Ashikawa N, Cooper WA, Ejiri A, Emoto M, Ezumi N, Funaba H, Fukuyama A, Goncharov P, Goto M, Idei H, Ikeda K, Inagaki S, Isobe M, Kado S, Kawazome H, Khlopenkov K, Kobuchi T, Kondo K, Kostrioukov A, Kubo S, Kumazawa R, Liang Y, Lyon JF, Mase A, Masuzaki S, Minami T, Miyazawa J, Morisaki T, Morita S, Murakami S, Muto S, Mutoh T, Nagaoka K, Nagayama Y, Nakajima N, Nakamura K, Nakanishi H, Narihara K, Narushima Y, Nishimura K, Nishino N, Noda N, Notake T, Nozato H, Ohdachi S, Oka Y, Okada H, Okamura S, Osakabe M, Ozaki T, Peterson BJ, Sagara A, Saida T, Saito K, Sakakibara S, Sakamoto M, Sakamoto R, Sasao M, Sato K, Sato M, Seki T, Shimozuma T, Shoji M, Suzuki H, Takeiri Y, Takeuchi N, Tamura N, Tanaka K, Tanaka MY, Teramachi Y, Toi K, Tokuzawa T, Tomota Y, Torii Y, Tsumori K, Watanabe KY, Watari T, Xu Y, Yamada I, Yamamoto S, Yamamoto T, Yokoyama M, Yoshimura S, Yoshimura Y, Yoshinuma M, Asakura N, Fujita T, Fukuda T, Hatae T, Higashijima S, Isayama A, Kamada Y, Kubo H, Kusama Y, Miura Y, Nakano Y, Ninomiya H, Oikawa T, Oyama N, Sakamoto Y, Shinohara K, Suzuki T, Takenaga H, Ushigusa K, Hino T, Ichimura M, Takase Y, Sano F, Zushi H, Satow T, Imagawa S, Mito T, Ohtake I, Uda T, Itoh K, Ohkubo K, Sudo S, Yamazaki K, Matsuoka K, Hamada Y, Fujiwara M,
    Nucl. Fusion 43, 1674-1683 (2003).
  221. Development of a fishbone travelling wave antenna for LHD
    Y. Takase, C.P. Moeller, T. Seki, N. Takeuchi, T. Watari, R. Callis, A. Ejiri, H. Ikezi, H. Kasahara, N. Kasuya, R. Kumazawa, T. Mutoh, K. Ohkubo, R.A. Olstad, M. Saigusa, K. Saito, S. Shiraiwa, T. Taniguchi, H. Torii, H. Wada, K. Yamagishi and T. Yamamoto
    Nucl. Fusion, 44, 296-302, Feb, 2004.
  222. A study of charge dependence of particle transport with impurity pellet injection and high-spatial resolution bremsstrahlung measurement on the large helical device
    H. Nozato,S. Morit, M. Goto, Y. Takase, A. Ejiri, T. Amano, K. Tanaka, S. Inagaki and LHD Experimental Group
    Phys. Plasmas. 11, 1920-1930 (2004).
  223. Plasma Current Start-up by ECW and Vertical Field in the TST-2 Spherical Tokamak
    MITARAI Osamu, TAKASE Yuichi, EJIRI Akira, SHIRAIWA Shun’ichi, KASAHARA, Hiroshi, YAMADA Takuma, OHARA Shinya, TST-2 Team, NAKAMURA Kazuo, IYOMASA Atsuhiro, HASEGAWA Makoto, IDEI Hiroshi, SAKAMOTO Mizuki, HANADA Kazuaki, SATOH Kohnosuke, ZUSHI Hideki, TRIAM Group and NISHINO Nobuhiro
    J. Plasma Fusion Res., 80, 549-550 Jul. 2004.
  224. Coherent edge fluctuation measurements in H-mode discharges on JFT-2M
    Y. Nagashima, K. Shinohara, K. Hoshino, A. Ejiri, K. Tsuzuki, T. Ido, K. Uehara, H. Kawashima, K. Kamiya, H. Ogawa, T. Yamada, S. Shiraiwa, S. Ohara, Y. Takase, N. Asakura, N. Oyama, T. Fujita, S. Ide, H. Takenaga, Y. Kusama, Y. Miura and JFT-2M group
    Plasma Phys. Control. Fusion 46, A381-A386 (2004).
  225. Investigation of compatibility of low activation ferritic steel with high performance plasma by full covering of inside vacuum vessel wall on JFT-2M
    Tsuzuki K, Shinohara K, Kamiya K, Kawashima H, Sato M, Kurita G, Bakhtiari M, Ogawa H, Hoshino K, Kasai S, Uehara K, Kusama Y, Yamamoto M, Shibata T, Kikuchi K, Tsutsui H, Shimada R, Hino T, Hirohata Y, Amemiya A, Sadamoto Y, Nagashima Y, Ejiri A
    JOURNAL OF NUCLEAR MATERIALS 329: 721-725 Part A, AUG 1 2004
  226. Evidence of Electron Bernstein Wave Heating on the TST-2 Spherical Tokamak
    S.Shiraiwa, A.Ejiri, K.Hanada, M.Hasegawa, H.Hoshika, H. Idei, A.Iyomasa, Y. Kamada, H.Kasahara, O.Mitarai, K.Nakamura, Kazuo2, N.Nishino, H,Nozato, S.Ohara, K.Sasaki, M.Sakamoto, K.N.Sato, Y.Takase, Y.Takagi, T.Yamada and H.Zushi
    J. Plasma Fusion Res., 81, 3-4 Jan. 2005
  227. Observation of Nonlinear Coupling between Small-PoloidalWave-Number Potential Fluctuations and Turbulent Potential Fluctuations in Ohmically Heated Plasmas in the JFT-2M Tokamak
    Y. Nagashima, K. Hoshino, A. Ejiri, K. Shinohara, Y. Takase, K. Tsuzuki, K. Uehara, H. Kawashima, H. Ogawa, T. Ido, Y. Kusama, and Y. Miura
    Phys. Rev. Lett. 95, 095002 (2005).
  228. Steady state tokamak operation, ITB transition and sustainment and ECCD experiments in TRIAM-1M
    H. Zushi, K. Nakamura, K. Hanada, K.N. Sato, M. Sakamoto, H. Idei, M. Hasegawa, A. Iyomasa, S. Kawasaki, H. Nakashima, A. Higashijima, T. Kuramoto1, A. Tanaka, Y. Matsuo1, K. Esaki, H. Akanishi, T. Sugata, H. Hoshika, K. Sasaki, N. Maezono, M. Kitaguchi, N. Imamura, N. Yoshida, K. Tokunaga, T. Fujiwara, M. Miyamoto, M. Tokitani, K. Uehara, Y. Sadamoto, Y. Nakashima, Y. Kubota, Y. Higasizono, Y. Takase, A. Ejiri, S. Shiraiwa, S. Kado, T. Sikama, S. Tsuji-Iio, T. Takeda, Y. Hirooka, K. Ida, Y. Nakamura, T. Fujimoto, A. Iwamae, T. Maekawa and O. Mitarai
    Nucl. Fusion 48, S142-156 Oct. (2005).
  229. Plasma diagnostics in JFT-2M
    Kasai S, Kamiya K, Shinohara K, Kawashima H, Ogawa H, Uehara K, Miura Y, Okano F, Suzuki S, Hoshino K, Tsuzuki K, Sato M, Oasa K, Kusama Y, Yamauchi T, Nagashima Y, Ida K, Hidekuma S, Ido T, Hamada Y, Nishizawa A, Kawasumi Y, Uesugi Y, Okajima S, Kawahata K, Ejiri A, Amemiya H, Sadamoto Y
    FUSION SCIENCE AND TECHNOLOGY 49 (2): 225-240 FEB 2006
  230. Convergence study of bispectral analysis in experiments of high temperature plasmas
    Y. Nagashima, S.I. Itoh, M. Yagi, K. Itoh, A. Fujisawa, K. Hoshino, K. Shinohara, K. Uehara, Y. Kusama, A. Ejiri, Y. Takase,
    Rev. Sci. Instrum. 77, 045110 (2006).

Unrefereed paper & Report

  1. 原型炉設計合同特別チーム(江尻他)
    原型炉計測制御ワーキンググループ報告書
    QST-M-43
  2. 江尻晶、辻井直人、篠原孝司、
    TST-2装置の概要、
    国内大学のトカマク実験装置の概観、NIFS-MEMO-93 (Sep. 1, 2023, 7 Pages)
  3. 江尻晶
    男女共同参画推進委員会だより:第三回科学技術系専門職の男女共同参画実態調査から見える日本物理学会会員のワークライフバランス
    日本物理学会誌 Vol. 69, 795-797 (2014) (3 pages Published on Nov. 2014)[in Japanese]
  4. 江尻晶
    講座:今日からはじめる磁場閉じこめ実験:4.楽しい実験は安全第一の精神から
    J. Plasma Fusion Res. 90, 732-739 (2014) (8 pages published on Nov. 2014)[in Japanese]
  5. 「プロジェクトレビュー」高速イオン励起MHD不安定性とそれらによる高速イオン輸送
    東井和夫、武智学、大舘暁、榊原悟、庄司多津男、徳沢季彦、江尻晶
    J. Plasma Fusion Res. 83, 1000-1003, Dec. 2007 [in Japanese]
  6. TST-2における高次高調速波入射実験
    江尻晶、高瀬雄一、大迫琢也、渡邉理、足立裕樹、増田鉄也、佐々木真、東條寛、海永壮一郎、杉山純一、山田琢磨
    電気学会プラズマ研究会資料PST-07-36, Aug. 2007 [in Japanese]
  7. プラズマ研究と計測の発展
    江尻晶
    第46回若手夏の学校、鬼怒川温泉、プラズマ・プラズマ核融合学会、Aug. 7-10, 2007 [in Japanese]
  8. 「サロン」ITERおよびブローダーアプローチに関する若手意識調査
    A.Ejiri, Y. Ogawa, S. Kado(江尻晶、小川雄一、門信一郎)
    J. Plasma Fusion Res. 82, 250-252 Apr. 2006 [in Japanese].
  9. 「プラズマ診断の基礎と応用」
    プラズマ・核融合学会編、プラズマ・核融合学会編、コロナ社、東京、2006
    江尻執筆部分:「プラズマ揺動計測」p345-351
  10. 「物理データ事典」
    日本物理学会編、朝倉書店、2006
    江尻担当部分「プラズマ」
  11. 「講座」How to Make a Microwave Reflectometer(マイクロ波反射計をつくってみよう)
    A.Ejiri
    J. Plasma Fusion Res. 79, 921-928 Sep. 2003 [in Japanese].
  12. 「解説」Microwave Reflectometry for Plasma Diagnostics(プラズマ計測のためのマイクロ波反射計)
    A.Ejiri
    J. Plasma Fusion Res., 79, 742-749 Aug. 2003 [in Japanese].
  13. 「サロン」今後の核融合研究に関する若手会員の意見と核融合若手メーリングリスト
    長崎百伸、江尻晶
    J. Plasma Fusion Res. 78, 256-259 Mar. 2002 [in Japanese].
  14. TST-2実験の現状
    江尻晶、白岩俊一、山田琢磨、牛込雅裕、永島芳彦、笠原寛史、飯島大介、小堀陽祐、谷口智利、西友一郎、山岸健一、高瀬雄一
    電気学会プラズマ研究会資料PST-01-66,Sep. 2001 [in Japanese]
  15. 球状トカマクの現状と展望
    江尻晶
    第一回サマースクール報告書、未来エネルギー研究協会、p78-89, Aug. 8-9, 2001 [in Japanese]
  16. TST-2における球状トカマク研究
    江尻晶、白岩俊一、山田琢磨、牛込雅裕、永島芳彦、糟谷直宏、野里英明、益子岳史、ルシオ・ミノル・トザワ、秋月剛士、笠原寛史、山田秀治、和田浩史、山岸健一、高瀬雄一
    電気学会プラズマ研究会資料PST-00-71,Sep. 2000 [in Japanese].
  17. プラズマを閉じ込める(原理から考えるプラズマ装置)
    江尻晶
    第38回若手夏の学校、東京、プラズマ・プラズマ核融合学会、Aug. 5-8, 1999 [in Japanese]
  18. Production of an intense, well-collimated submillimeter wave beam and its application to plasma scattering measurements
    Ogawa I, Idehara T, Sakai A, Yoshida K, Tsuchida T, Kawahata K, Ejiri A, Iguchi H, Tanaka K, Matsuoka K, Akiyama R, Osakabe M, Okamura S, Minami T, Takahashi C, Kasparek W
    INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 19: (5) 727-736 MAY 1998.
  19. Signal Based Mixing Analysis for the Magnetohydrodynamic Mode Reconstruction from Homodyne Microwave Reflectometer
    A. Ejiri, S. Sakakibara and K. Kawahata
    Research Report, NIFS-343, Mar. 1995.
  20. LHDにおける窓の熱設計
    江尻晶
    Research Report, NIFS-MEMO-17, Nov. 1995.[in Japanese]