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J-GLOBAL ID：200901003140191598   Update date: Mar. 09, 2026

Nishiura Masaki

ニシウラ マサキ | Nishiura Masaki
Affiliation and department：
National Institute for Fusion Science Department of Research, Phase Space Turbulence Unit

About National Institute for Fusion Science Department of Research, Phase Space Turbulence Unit


Job title： Assistant Professor
Other affiliations (1)：
Homepage URL  (1)： http://www.ppl.k.u-tokyo.ac.jp/nishiura
Research field  (3)： Nuclear fusion ,  Basic plasma science ,  Applied plasma science
Research keywords  (15)： phase space ,  Plasma physics ,  Nuclear fusion ,  electromagnetic waves ,  Turbulence ,  Plasma diagnostics ,  Velocity space tomography ,  self organization ,  laboratory magnetosphere ,  radiation damage ,  Radiation ,  collective Thomson scattering ,  イメージング分光 ,  Heavy ion beam ,  Negative ion
Research theme for competitive and other funds  (24)：
  • 2023 - 2026 Breakthrough of turbulent transport mechanism of self-burning plasma by high energy ion and tubulence analysis
  • 2023 - 2026 Breakthrough of turbulent transport mechanism of self-burning plasma by high energy ion and tubulence analysis
  • 2019 - 2024 ミリ波散乱計測による核融合プラズマ中の燃料イオン診断システムの開発
  • 2017 - 2022 Holistic study on the genesis and structure of magnetospheric plasma: understanding of auroral phenomena
  • 2017 - 2020 Direct measurement of ions in a high-density plasma with collective Thomson scattering diagnostics
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Papers (213)：
  • M. Nishiura, K. Nakamura, K. Ueda, A. Shimizu, H. Takubo, M. Kanda, T. Ido, M. Okamura. Enhanced beam transport via space charge mitigation in a multistage accelerator for fusion plasma diagnostics. Nuclear Fusion. 2025
  • C. Fransoo, M. Nishiura, S. Kubo. Design and test of a waveguide filter for reflected electromagnetic waves. AIP Advances. 2025
  • Kenji Ueda, Masaki Nishiura. Nonlinear Gaussian process tomography with imposed non-negativity constraints on physical quantities for plasma diagnostics. Machine Learning: Science and Technology. 2025
  • H. Saitoh, R. Nakagawa, K. Ueda, T. Mori, M. Nishiura, N. Kenmochi, N. Sato, Z. Yoshida. Transition from electrostatic to electromagnetic modes of low-frequency fluctuations in RT-1. Nuclear Fusion. 2024
  • K. Ida, M. Yoshinuma, M. Kobayashi, T. Kobayashi, N. Kenmochi, F. Nespoli, R.M. Magee, F. Warmer, A. Dinklage, A. Matsuyama, et al. Overview of Large Helical Device experiments of basic plasma physics for solving crucial issues in reaching burning plasma conditions. Nuclear Fusion. 2024. 64. 11. 112009-112009
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MISC (171)：
  • 西浦正樹, 西浦正樹, 佐竹真介, 清水昭博, 井戸毅, 吉沼幹朗, 矢内亮馬, 沼波政倫, 山口裕之, 藤田慶二, et al. Radial transport of plasmas by distortion of energetic ion distribution in velocity space. 日本物理学会講演概要集(CD-ROM). 2025. 80. 1
  • 西村大輝, 徳沢季彦, 徳沢季彦, 徳沢季彦, 桑原大介, 那須達丈, 矢内亮馬, 清水昭博, 清水昭博, 井戸毅, et al. Observation of the spatial structure of electron temperature fluctuations using ECEI in LHD. 日本物理学会講演概要集(CD-ROM). 2024. 79. 2
  • 西浦正樹, 西浦正樹, 佐竹真介, 清水昭博, 井戸毅, 吉沼幹朗, 矢内亮馬, 沼波政倫, 山口裕之, 藤田慶二, et al. Relation between anisotropic and nonthermal energetic ions and bulk plasma transport: from LHD experiments to ITER and beyond. プラズマ・核融合学会年会(Web). 2024. 41st
  • 西浦正樹, 西浦正樹, 佐竹真介, 清水昭博, 井戸毅, 吉沼幹朗, 矢内亮馬, 沼波政倫, 山口裕之, 藤田慶二, et al. Relation between energetic ion anisotropy and bulk plasma transport. 日本物理学会講演概要集(CD-ROM). 2024. 79. 2
  • 西浦正樹, 西浦正樹, 佐竹真介, 清水昭博, 井戸毅, 吉沼幹朗, 矢内亮馬, 沼波政倫, 山口裕之, 關良輔, et al. Observation of core density peaking in LHD. 日本物理学会講演概要集(CD-ROM). 2024. 79. 1
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Patents (1)：
  • Notch filter
Lectures and oral presentations  (11)：
  • Radial transport of plasmas by distortion of energetic ion distribution in velocity space
    (2025)
  • 非等方・非熱化高エネルギーイオンとバルクプラズマ輸送の関係性:~LHD実験からITERとその先へ
    (プラズマ・核融合学会 2024)
  • Particle transport control by auxiliary heating systems in LHD
    (24th International Stellarator Heliotron Workshop 2024)
  • Core density profile control by energetic ion anisotropy in LHD
    (65th Annual Meeting of the APS Division of Plasma Physics 2023)
  • Fast ion diagnostics by collective Thomson scattering
    (6th Asia Pacific Conference on Plasma Physics(AAPPS-DPP2022) 2022)
ｍore...
Education (1)：
  • - 1999 The Graduate University for Advanced Studies
Professional career (1)：
  • 博士(理学) (総合研究大学院大学)
Work history (8)：
  • 2018/10 - 現在 東京大学 新領域創成科学研究科 (連携講座) 客員准教授
  • 2018/10 - 現在 National Institute for Fusion Science associate professor
  • 2013 - 2018/09 The University of Tokyo
  • 2013/04 - 2013/09 Max-Planck-Institut für Plasmaphysik 訪問客員研究員
  • 2007 - 2013 National Institute for Fusion Science
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Committee career (4)：
  • 2015 - 現在 International Tokamak Physics Activities(ITPA)-ITER specialist working group, dupty chair
  • 2016/10 - 2019/09 日本物理学会 領域2役員
  • 2015/04 - 2017/03 Secretary of Radiation Subcommittee, Japan Society of Applied Physics
  • 2000 - 2001 日本物理学会 領域2放電世話人
Awards (3)：
  • 2024/11 - AAPPS-DPP AAPPS-DPP Poster Prize Causality of potential and temperature responses on a local electron heating in H and D plasmas of the LHD
  • 2020 - プラズマ・核融合学会 第25回技術進歩賞 深層敵対的生成ネットワークを用いたイメージング計測におけるトモグラフィー法の開発
  • 2010 - プラズマ・核融合学会 第15回技術進歩賞 大型ヘリカル装置における重イオンビームプローブの開発
Association Membership(s) (3)：
THE JAPAN SOCIETY OF APPLIED PHYSICS ,  THE JAPAN SOCIETY OF PLASMA SCIENCE AND NUCLEAR FUSION RESEARCH ,  THE PHYSICAL SOCIETY OF JAPAN
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