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  1. A. Okamoto, S. Higuchi, K. Sato, Y. Yamada, M. Koike, M. Sugimoto and T. Fujita
    "Laser Thomson scattering system for anisotropic electron temperature measurement in NUMBER",
    Journal of Instrumentation, 18 (2023) C10013.
  2. Konan YAGASAKI, Atsushi OKAMOTO, Takaaki FUJITA, Minami SUGIMOTO, Shunya HIGUCHI, Muneo KOIKE, Koki SATO and Yuto YAMADA
    "Volumetric Recombination in the Linear ECR Plasma Device NUMBER",
    Plasma and Fusion Research, 18 (2023) 2401082.
  3. Atsushi Okamoto, Shunya Higuchi, Yuto Yamada, Koki Sato, Muneo Koike, Konan Yagasaki, Minami Sugimoto, and Takaaki Fujita
    "Structure of intermittent variation of floating potential in a converging field following a magnetic beach ECR plasma source",
    Japanese Journal of Applied Physics, 62 (2023) SL1022.
  4. Keitaro KADO, Takaaki FUJITA, Atsushi OKAMOTO, Hideki ARIMOTO, Keishi TSUNODA and Shunsuke MORIZAWA
    "Optimization of Magnetic Field Based on Electron Orbit Measurement in TOKASTAR-2 Helical Plasmas",
    Plasma and Fusion Research, 17 (2022) 2402071.
  5. Yoshihiro ITAKURA, Takaaki FUJITA and Atsushi OKAMOTO
    "Edge Transport Barrier Models for Simulating H-Mode Operation Scenarios in DEMO with Integrated Plasma Transport Code TOTAL",
    Plasma and Fusion Research, 17 (2022) 1403016.
  6. Sora Kimata, Atsushi Okamoto, Takaaki Fujita, Hideki Arimoto, Kouhei Yasuda, Keitaro Kado, and Keishi Tsunoda
    "Power balance in the smallest tokamak",
    AIP Advances, 12 (2022) 045204.
  7. K. Yasuda, T. Fujita, A. Okamoto, H. Arimoto, S. Kimata, K. Kado, and K. Tsunoda
    "Stabilization of plasma vertical position of elongated tokamak using upper and lower triangular coils",
    Physics of Plasmas, 28 (2021) 082108.
  8. Minami SUGIMOTO, Atsushi OKAMOTO, Takaaki FUJITA, Hideki ARIMOTO, Shunya HIGUCHI and Konan YAGASAKI
    "Radial Profile Estimation of Electron Density in a Linear Plasma Device NUMBER Using a Single Line-of-Sight Signal",
    Plasma and Fusion Research, 16 (2021) 2401042.
  9. Atsushi Okamoto
    "Ion Collision Effect in Collisional Radiative Processes in Magnetized Plasma",
    AIP Conference Proceedings, 2319 (2021) 030007.
  10. Kouhei YASUDA, Takaaki FUJITA, Atsushi OKAMOTO, Hideki ARIMOTO, Ryohei IKEDA, Sora KIMATA, Keitaro KADO
    "Study on Stabilization of Vertical Position of Tokamak Plasma with Local Helical Coils in TOKASTAR-2",
    Plasma and Fusion Research, 15 (2020) 1402083.
  11. Ryoya FUNABASHI, Takaaki FUJITA, Atsushi OKAMOTO
    "High-Speed Analysis of Heating and Current Drive with Neutral Beam Injection in Tokamak Plasma",
    Plasma and Fusion Research, 15 (2020) 2401071.
  12. Hiroki HACHIKUBO, Atsushi OKAMOTO, Takaaki FUJITA, Hideki ARIMOTO, Ryosuke OCHIAI, Minami SUGIMOTO, Kento IIZUKA
    "Magnetic Field Dependence of Transition to High Electron Density Phase in a Linear Plasma Device NUMBER",
    Plasma and Fusion Research, 15 (2020) 2401042.
  13. R. Ochiai, A. Okamoto, T. Fujita, H. Arimoto, H. Hachikubo, M. Sugimoto, K. Iizuka
    "Development and evaluation of ion energy analyzer for energetic ion measurement in a linear plasma device NUMBER",
    Plasma and Fusion Research, 15 (2020) 2401040.
  14. Ryohei IKEDA, Takaaki FUJITA, Hideki ARIMOTO, Atsushi OKAMOTO, Kouhei YASUDA, Sora KIMATA, Keitaro KADO
    "Equilibrium Analysis of Tokamak Plasma Including the Eddy Current Effects in TOKASTAR-2",
    Plasma and Fusion Research, 15 (2020) 2402047.
  15. Ryosuke SAKAI, Takaaki FUJITA and Atsushi OKAMOTO,
    "Dependence of Operation Density on the Density Profile Shape in DEMO Plasmas with Ar Injection for Divertor Heat Load Reduction",
    Plasma and Fusion Research, 15 (2020) 1303031.
  16. Ryosuke Sakai, Takaaki Fujita and Atsushi Okamoto,
    "Derivation of bootstrap current fraction scaling formula for 0-D system code analysis",
    Fusion Engineering and Design, 149 (2019) 111322.
  17. Ryosuke SAKAI, Takaaki FUJITA and Atsushi OKAMOTO,
    "Economy of Tokamak Neutron Source for Transmutation of Transuranics",
    Plasma and Fusion Research, 14 (2019) 1405040.
  18. Atsushi OKAMOTO, Ryosuke OCHIAI, Katsuya SATOU, Hiroki HACHIKUBO, Minami SUGIMOTO, Takaaki FUJITA and Hiroyuki TAKAHASHI,
    "High-density plasma production in converging field following a magnetic beach plasma source",
    Plasma and Fusion Research, 14 (2019) 2401005.
  19. Kenji MURAOKA, Takaaki FUJITA, Hideki ARIMOTO, Atsushi OKAMOTO, Hiromasa ITOU, Ryoichi SUGIOKA, Masato MINOURA, Kohei YASUDA, Ryoma YOKOYAMA and Takahiro YAMAUCHI,
    "Extended Range of Stable Radial Position of Tokamak Plasma in TOKASTAR-2",
    Plasma and Fusion Research, 13 (2018) 1402111.
  20. Hiromasa ITOU, Takaaki FUJITA, Hideki ARIMOTO, Atsushi OKAMOTO, Kenji MURAOKA, Ryoichi SUGIOKA, Kohei YASUDA, Ryoma YOKOYAMA, Masato MINOURA and Takahiro YAMAUCHI,
    "Determining the Closed Flux Surface in a Helical Plasma in TOKASTAR-2 with an Electrostatic Probe",
    Plasma and Fusion Research, 13 (2018) 1402039.
  21. Daichi HAMADA, Atsushi OKAMOTO, Takaaki FUJITA, Hideki ARIMOTO, Katsuya SATOU and Ryosuke OCHIAI,
    "Magnetic Field Configuration Dependence of Plasma Production and Parallel Transport in a Linear Plasma Device NUMBER",
    Plasma and Fusion Research, 13 (2018) 3401044.
  22. Ryoma YOKOYAMA, Atsushi OKAMOTO, Takaaki FUJITA, Hideki ARIMOTO, Masato MINOURA, Kohei YASUDA and Takahiro YAMAUCHI,
    "Application of He I Line Intensity Ratio Method to Tokamak Plasma in TOKASTAR-2",
    Plasma and Fusion Research, 13 (2018) 3402047.
  23. Kohei YASUDA, Hideki ARIMOTO, Atsushi OKAMOTO, Takaaki FUJITA, Masato MINOURA, Ryoma YOKOYAMA and Takahiro YAMAUCHI,
    "Estimation of Tokamak Plasma Position and Shape in TOKASTAR-2 Using Magnetic Field Measurement ",
    Plasma and Fusion Research, 13 (2018) 3402072.
  24. R. Sakai, T. Fujita, A. Okamoto, "Analysis of Current Drive in the Compact Tokamak Neutron Source for Transmutation",
    Joint meeting of 26th International Toki Conference on Plasma and Fusion Research and 11th Asia Pacific Plasma & Fusion Association Conference, P1-9, Dec. 5-8, 2017, Toki, Japan.
  25. K. Yasuda, H. Arimoto, A. Okamoto, T. Fujita, M. Minoura, R. Yokoyama, T. Yamauchi, "Estimation of tokamak plasma position and shape in TOKASTAR-2 using magnetic field measurement",
    Joint meeting of 26th International Toki Conference on Plasma and Fusion Research and 11th Asia Pacific Plasma & Fusion Association Conference, P1-38, Dec. 5-8, 2017, Toki, Japan.
  26. K. Hosokawa, T. Fujita, A. Okamoto, "Development of high-speed analysis module for heating and current drive by neutral particle beam injection to tokamak plasma",
    Joint meeting of 26th International Toki Conference on Plasma and Fusion Research and 11th Asia Pacific Plasma & Fusion Association Conference, P1-56, Dec. 5-8, 2017, Toki, Japan.
  27. M. Minoura, T. Fujita, A. Okamoto, H. Arimoto, K. Yasuda, R. Yokoyama, T. Yamauchi, "Electrode biasing experiment in TOKASTAR-2 helical plasmas",
    Joint meeting of 26th International Toki Conference on Plasma and Fusion Research and 11th Asia Pacific Plasma & Fusion Association Conference, P2-15, Dec. 5-8, 2017, Toki, Japan.
  28. R. Yokoyama, A. Okamoto, T. Fujita, H. Arimoto, M. Minoura, K. Yasuda, T. Yamauchi, "Application of He I line intensity ratio method to tokamak plasma in TOKASTAR-2",
    Joint meeting of 26th International Toki Conference on Plasma and Fusion Research and 11th Asia Pacific Plasma & Fusion Association Conference, P2-27, Dec. 5-8, 2017, Toki, Japan.
  29. Y. Hayashi, T. Fujita, A. Okamoto, "Fusion Power Control by Injecting Fuel and Impurity Particles",
    Joint meeting of 26th International Toki Conference on Plasma and Fusion Research and 11th Asia Pacific Plasma & Fusion Association Conference, P2-100, Dec. 5-8, 2017, Toki, Japan.
  30. D. Hamada, A. Okamoto, T. Fujita, H. Arimoto, K. Satou, R. Ochiai, "Magnetic field configuration dependence of plasma production and transport in a linear plasma device NUMBER",
    Joint meeting of 26th International Toki Conference on Plasma and Fusion Research and 11th Asia Pacific Plasma & Fusion Association Conference, P2-109, Dec. 5-8, 2017, Toki, Japan.
  31. A. Okamoto, D. Hamada, K. Satou, R. Ochiai, H. Takahashi, T. Fujita, "Recombining plasma study utilizing a linear ECR plasma device",
    6th International Workshop on Plasma Material Interaction Facilities for Fusion Research, I-013, Nov. 1-3, 2017, Tsukuba, Japan.
  32. Y. Shimooka, H. Arimoto, T. Fujita, A. Okamoto, T. Sakito, H. Itou, K. Muraoka, R. Sugioka, K. Yasuda and R. Yokoyama,
    "Development of Magnetic Flux Surface Measurement Method on TOKASTAR-2",
    Plasma and Fusion Research, 11 (2016) 2402110.
  33. T. Sakito, H. Arimoto, T. Fujita, A. Okamoto, Y. Shimooka, H. Itou, R. Sugioka, K. Muraoka, K. Yasuda and R. Yokoyama,
    "Measurement of Tokamak Plasma with the External Helical Field Using a High-Speed Camera in TOKASTAR-2",
    Plasma and Fusion Research, 11 (2016) 2402074.
  34. Y. Shimizu, T. Fujita, A. Okamoto, H. Arimoto, N. Hayashi, K. Hoshino, T. Nakano and M. Honda,
    "Particle Pinch Model of Passing/Trapped High-Z Impurity with Centrifugal Force Effect",
    Plasma and Fusion Research, 11 (2016) 2403082.
  35. Yusuke SHIMIZU, Takaaki FUJITA, Hideki ARIMOTO, Tomohide NAKANO, Kazuo HOSHINO and Nobuhiko HAYASHI,
    "Analysis of Tungsten Transport in JT-60U Plasmas",
    Plasma and Fusion Research, 10 (2015) 3403062.
  36. Hiroki NATSUME, Takaaki FUJITA, Hideki ARIMOTO and Kozo YAMAZAKI,
    "Simulation on Sawtooth Period Control in Tokamak Plasma",
    Plasma and Fusion Research, 10 (2015) 3403051.
  37. Tomohiro UEDA, Hideki ARIMOTO, Takaaki FUJITA, Tatsuya SAKITO and Kozo YAMAZAKI,
    "Magnetic Field Measurements Using a Multichannel Magnetic Probe in TOKASTAR-2",
    Plasma and Fusion Research, 10 (2015) 3402065.
  38. Tatsuya SAKITO, Hideki ARIMOTO, Takaaki FUJITA, Tomohiro UEDA, Yuusuke SHIMOOKA,Hiromasa ITOU and Kenji MURAOKA,
    "Measurement of Plasma Behavior with High Speed Cameras in TOKASTAR-2",
    Plasma and Fusion Research, 10 (2015) 3402033.