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SAKAMOTO Keishi  坂本 慶司

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… Alternative Names

SAKAMOTO Keiji  坂本 慶司

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Researcher Number 90343904
External Links
Affiliation (based on the past Project Information) *help 2016 – 2019: 国立研究開発法人量子科学技術研究開発機構, 六ヶ所核融合研究所 核融合炉材料研究開発部, 部長(定常)
2015: 国立研究開発法人日本原子力研究開発機構, 核融合研究開発部門 六ヶ所核融合研究所, 次長
2015: 国立研究開発法人日本原子力研究開発機構, 核融合研究開発部門 六ヶ所核融合研究所, 部長
2015: 国立研究開発法人日本原子力研究開発機構, 核融合研究開発部門 那珂核融合研究所, 研究主席
2015: 国立研究開発法人放射線医学総合研究所, 六ヶ所核融合研究所 核融合炉材料研究開発部, 部長 … More
2015: 国立研究開発法人日本原子力研究開発機構, 核融合研究開発部門・六ヶ所核融合研究所, 部長
2014: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門 那珂核融合研究所, グループリーダー
2014: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門 那珂核融合研究所, 研究員
2014: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究主席
2014: 独立行政法人日本原子力研究開発機構, 研究員
2013: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究員
2013: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門・那珂核融合研究所, グループリーダー
2012: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門, グループリーダー
2008: 日本原子力研究開発機構, 核融合研究開発部門
2007 – 2008: Japan Atomic Energy Agency, Fusion Research and Development Directorate, 研究主席
2006: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究主幹
2005: 日本原子力研究所, 核融合工学部, 室長(研究職)
2005: Japan Atomic Energy Agency, Fusion Research and Development Directorate, Group Leader, 核融合研究開発部門, 主任研究員
2004: 日本原子力研究所, 核融合工学部, 主任研究員 Less
Review Section/Research Field
Principal Investigator
Nuclear fusion studies / Energy engineering
Except Principal Investigator
Nuclear fusion studies / Aerospace engineering / Applied optics/Quantum optical engineering / Plasma science
Keywords
Principal Investigator
ジャイロトロン / 単一モード発振 / モード競合 / 500kW / 発振ダイナミクス / テラヘルツ / TE32,18モード / 300GHz / テラヘルツジャイロトロン / プラズマ加熱電流駆動 … More / 電子サイクロトロン / 核融合 / 大電力 / テラヘルツ波 / ミリ波帶マイクロ波 / 電力変換 / 電子ビーム加速 / ミリ波帯マイクロ波 / 自動サイクロトロン共鳴 / プラズマ・核融合 … More
Except Principal Investigator
ジャイロトロン / プラズマ / ミリ波 / プラズマ・核融合 / ECH / 核融合 / 電子サイクロトロン加熱 / 放電 / ワイヤレス給電 / エネルギー / デトネーション / マイクロ波 / レーザー / エネルギー全般 / 航空宇宙工学 / 加熱電流駆動 / マルチメガワット / 電子銃 / ミラー / プラズマ加熱・電流駆動 / 大電力マイクロ波管 / 電子ビーム分散 / 原型炉 / エネルギー回収 / 円筒共振器 / 加熱・電流駆動 / マイクロ波電子管 / 電子ビーム速度分散 / 電子ビーム / モード変換器 / 円筒型共振器 / プラズマ加熱 / ミリ波帯マイクロ波 / 核融合原型炉 / Gvrotron / millimeter wave / Terahertz / Electron device / Plasma, Fusion / テラヘルツ / 電子デバイス / stabilization / plasma confinement / high power ECH / x-ray / potential / nulcear fusion / plasma / tandem mirror / ガンマ10 / 高電位生成 / コーエン理論 / パスツコフ理論 / 電位生成・電位効果統合理論 / プラズマ閉じ込め機構 / 原子力エネルギー / 安定化 / プラズマ閉じ込め / 大電力ECH / X線 / 電位 / タンデムミラー / マルチ周波数 / エネルギー / 放電・雷過程 / 電離過程 / 原子・分子過程 / プラズマ着火 / 相乗的複雑性 / プラズマ物理 Less
  • Research Projects

    (9 results)
  • Research Products

    (127 results)
  • Co-Researchers

    (31 People)
  •  Discharge induced in a high-energy electromagnetic beam and its engineering applications

    • Principal Investigator
      KOMURASAKI KIMIYA
    • Project Period (FY)
      2015 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Research Field
      Aerospace engineering
    • Research Institution
      The University of Tokyo
  •  Development of Multi-MW gyrotron for Demo-Reactor ECH

    • Principal Investigator
      IMAI TSUYOSHI
    • Project Period (FY)
      2014 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Nuclear fusion studies
    • Research Institution
      University of Tsukuba
  •  Study of high power terahertz gyrotorn and its oscillatio dynamicsPrincipal Investigator

    • Principal Investigator
      Sakamoto Keishi
    • Project Period (FY)
      2013 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Nuclear fusion studies
    • Research Institution
      National Institutes for Quantum and Radiological Science and Technology
      Japan Atomic Energy Agency
  •  Mode convertor and built-in mirror for multi frequency high power and long pulse gyrotron

    • Principal Investigator
      Kajiwara Ken
    • Project Period (FY)
      2012 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Nuclear fusion studies
    • Research Institution
      Japan Atomic Energy Agency
  •  Research on millimeter-wave discharge phenomena for wireless power transfer at a high energy density

    • Principal Investigator
      KOMURASAKI KIMIYA
    • Project Period (FY)
      2011 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Aerospace engineering
    • Research Institution
      The University of Tokyo
  •  Research on synergetic complexity and application of plasmas dominatedby atomic/molecular and radiation process

    • Principal Investigator
      KISHIMOTO Yasuaki
    • Project Period (FY)
      2006 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Plasma science
    • Research Institution
      Kyoto University
  •  Electron beam acceleration by auto-resonance cyclotron maser and application to power conversion systemPrincipal Investigator

    • Principal Investigator
      SAKAMOTO Keishi
    • Project Period (FY)
      2006 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Energy engineering
    • Research Institution
      Japan Atomic Energy Agency
  •  Studies of high power oscillation source with frequency tunability in the millimeter and sub-millimeter waves

    • Principal Investigator
      ATSUSHI Kasugai
    • Project Period (FY)
      2006 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Applied optics/Quantum optical engineering
    • Research Institution
      Japan Atomic Energy Agency
  •  Generalized Physics Mechanisms of Plasma Confinement with Radially Sheared Electric Field Formation by High Power ECH and Verification of Newly Developed Plasma Stabilization Method

    • Principal Investigator
      CHO Teruji
    • Project Period (FY)
      2004 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Nuclear fusion studies
    • Research Institution
      University of Tsukuba

All 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2009 2008 2007 2006 Other

All Journal Article Presentation Book

  • [Book] Electron Cyclotron Emission and Electron Cyclotron Resonance Heating(Calculation of the RF propagation for the ITER equatorial ECH/ECCD launcher)2009

    • Author(s)
      K.Kajiwara, (K.Sakamoto), et al
    • Total Pages
      562
    • Publisher
      World Scientific Publishing Co.Pte.Ltd
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Book] E lectron Cyclotron Emission and Electron Cyclotron Resonance Heating (Calculation of the RF propagation for the ITER equatorial ECH/ECCD launcher)2009

    • Author(s)
      K. Kajiwara, (K. Sakamoto), et al.
    • Publisher
      World Scientific Publishing Co. Pte. Ltd
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Book] STRONG MICROWAVES : SOURCE AND APPLICATIONS(High power 170GHz gyrotron development in JAEA)2009

    • Author(s)
      K.Sakamoto, et al
    • Total Pages
      654
    • Publisher
      Russian Academy of Science
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Book] STRONG MICROWAV ES: SOURCE AND APPLICATIONS (High power 170GHz gyrotron development in JAEA)

    • Author(s)
      K. Sakamoto, et al.
    • Publisher
      Russian Academy of Science
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Electron heating of over-dense plasma with dual-frequency electron cyclotron waves in fully non-inductive plasma ramp-up on the QUEST spherical tokamak2020

    • Author(s)
      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
    • Journal Title

      Nuclear Fusion

      Volume: 60 Issue: 1 Pages: 0160301-13

    • DOI

      10.1088/1741-4326/ab4c12

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03514, KAKENHI-PROJECT-26249141
  • [Journal Article] Development of high power gyrotrons for advanced fusion devices2019

    • Author(s)
      T. Kariya, R. Minami, T. Imai, M. Okada, F. Motoyoshi, T. Numakura, Y. Nakashima, H. Idei, T. Onchi, K. Hanada, T. Shimozuma, Y. Yoshimura, H. Takahashi, S. Kubo, Y. Oda, R. Ikeda, K. Sakamoto, M. Ono, K. Nagasaki, T. Eguchi, Y. Mitsunaka
    • Journal Title

      Nuclear Fusion

      Volume: 59 Issue: 6 Pages: 066009-066009

    • DOI

      10.1088/1741-4326/ab0e2c

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03799, KAKENHI-PROJECT-17H03514, KAKENHI-PROJECT-26249141
  • [Journal Article] Thrust Generation Experiments on Microwave Rocket with a Beam Concentrator for Long Distance Wireless Power Feeding2018

    • Author(s)
      Masafumi Fukunari, Toshikazu Yamaguchi, Yusuke Nakamura, Kimiya Komurasaki, Yasuhisa Oda, Ken Kajiwara, Koji Takahashi, Keishi Sakamoto
    • Journal Title

      Acta Astronautica

      Volume: 145 Pages: 263-267

    • DOI

      10.1016/j.actaastro.2018.01.057

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15H05770, KAKENHI-PROJECT-17J09280
  • [Journal Article] 核融合炉へ向けた大電力ジャイロトロンの開発2017

    • Author(s)
      假家強,今井剛,南龍太郎,津村康平,江橋優斗,岡田麻希,中嶋洋輔,出射浩,花田和明,下妻隆,久保伸, 小田靖久,池田亮介,坂本慶司,小野雅之
    • Journal Title

      プラズマ・核融合学会誌

      Volume: 93 Pages: 146-149

    • Data Source
      KAKENHI-PROJECT-26249141
  • [Journal Article] Rocket Propulsion Powered Using a Gyrotron2017

    • Author(s)
      Masafumi Fukunari、Kimiya Komurasaki、Yusuke Nakamura、Yasuhisa Oda、Keishi Sakamoto
    • Journal Title

      Journal of Energy and Power Engineering

      Volume: 11 Issue: 6 Pages: 363-371

    • DOI

      10.17265/1934-8975/2017.06.001

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15H05770
  • [Journal Article] Development of over-MW gyrotrons for fusion at 14 GHz to sub-THz frequencies2017

    • Author(s)
      T. Kariya, T. Imai, R. Minami, K. Sakamoto, Y. Oda, R. Ikeda, T. Shimozuma, S. Kubo, H. Idei, T. Numakura, K. Tsumura, Y. Ebashi, M. Okada, Y. Nakashima, Y. Yoshimura, H. Takahashi, S. Ito, K. Hanada, K. Nagasaki, M. Ono, T. Eguchi, Y. Mitsunaka
    • Journal Title

      Nuclear Fusion

      Volume: 57 Issue: 6 Pages: 066001-066001

    • DOI

      10.1088/1741-4326/aa6875

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K06940, KAKENHI-PROJECT-25249135, KAKENHI-PROJECT-15H05770, KAKENHI-PROJECT-26249141
  • [Journal Article] Air-Breathing System Using Reed Valve for Pulse Detonation Microwave Rocket2016

    • Author(s)
      FUKUNARI Masafumi、YAMAGUCHI Toshikazu、KOMURASAKI Kimiya、ODA Yasuhisa、IKEDA Ryosuke、KAJIWARA Ken、TAKAHASHI Koji、SAKAMOTO Keishi
    • Journal Title

      AEROSPACE TECHNOLOGY JAPAN

      Volume: 14 Issue: 0 Pages: 1-7

    • DOI

      10.2322/tastj.14.1

    • NAID

      130005133013

    • ISSN
      1884-0485
    • Language
      English
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15H05770
  • [Journal Article] Air-Breathing System Using Reed Valve for Pulse Detonation Microwave Rocket2016

    • Author(s)
      Masafumi Fukunari, Toshikazu Yamaguchi, Kimiya Komurasaki Yasuhisa Oda, Ryosuke Ikeda, Ken Kajiwara, Koji Takahashi, Keishi Sakamoto
    • Journal Title

      Transactions of JSASS, Aerospace Technology Japan

      Volume: 14 Pages: 1-7

    • NAID

      130005133013

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15H05770
  • [Journal Article] Development of gyrotrons for fusion with power exceeding 1 MW over at wide frequency range2015

    • Author(s)
      T. Kariya, T. Imai, R. Minami, T. Numakura, T. Eguchi, T. Kato, Y. Endo, M. Ichimura, T. Shimozuma, S. Kubo, H. Takahashi, Y. Yoshimura, H. Igami, S. Ito, T. Mutoh, K. Sakamoto, H. Idei, H. Zushi, K. Nagasaki, F. Sano, M. Ono, Y. Mitsunaka
    • Journal Title

      Nuclear Fusion

      Volume: 55 Issue: 9 Pages: 093009-093009

    • DOI

      10.1088/0029-5515/55/9/093009

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26249141, KAKENHI-PROJECT-24226020
  • [Journal Article] Development of gyrotrons for fusion with power exceeding 1 MW over at wide frequency range2015

    • Author(s)
      T. Kariya, T. Imai, R. Minami, T. Numakura, T. Eguchi, T. Kato, Y. Endo, M. Ichimura, T. Shimozuma, S. Kubo, H. Takahashi, Y. Yoshimura, H. Igami, S. Ito, T. Mutoh, K. Sakamoto, H. Idei, H. Zushi, K. Nagasaki, F. Sano, M. Ono, Y. Mitsunaka
    • Journal Title

      Nucl. Fusion

      Volume: 55 Pages: 093009-093009

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Journal Article] High-power and long-pulse operation of TE31,11 mode gyrotron2015

    • Author(s)
      R. Ikeda, K.Kajiwara, Y.Oda, K.Takahashi, K.Sakamoto
    • Journal Title

      Fusion Engineering and Design

      Volume: 96-97 Pages: 482-487

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Journal Article] High efficiency coupling of radio frequency beams from the dual frequency gyrotron with a corrugated waveguide transmission system2013

    • Author(s)
      小田靖久、梶原 健、高橋幸司、満仲義加、坂本慶司
    • Journal Title

      Review of Scientific Instruments

      Volume: 84 Issue: 1

    • DOI

      10.1063/1.4772572

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Journal Article] A One-Dimensional Propagation of Shock Wave Supported by Atmospheric Millimeter-Wave Plasma2011

    • Author(s)
      Oda Y, Komurasaki K, Sakamoto K, et al.
    • Journal Title

      J Infrared Milli Terahz Waves

      Volume: 32(6) Pages: 877-882

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Journal Article] Design of a h igh power millimeter wave launcher for EC H&CD system in ITER2009

    • Author(s)
      K. Kajiwara, K. Takahashi, N. Kobayashi, A. Kajiwara, K. Sakamoto
    • Journal Title

      Fusion Enginee ring and Design 84

      Pages: 72-77

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Thrust performance of Microwave Rocket under r epetitive pulse operation2009

    • Author(s)
      Y. Oda, T. Shibata, K. Komurasaki, K. Ta kahashi, A. Kasugai, K. Sakamoto
    • Journal Title

      Journal of Propulsion and Power 25

      Pages: 118-122

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Long pulse and high power repetitive operation of the 170GHz ITER Gyrotron2009

    • Author(s)
      K. Kajiwara, K. Sakamoto
    • Journal Title

      Plasma and F usion Research 4

      Pages: 6-8

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Long pulse and high power repetitive operation of the 170GHz ITER Gyrotron2009

    • Author(s)
      K.Kajiwara, (K.Sakamoto), et al.
    • Journal Title

      Plasma and Fusion Research 4

      Pages: 6-8

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Progress of the high power 170GHz gyrotron in JAEA2009

    • Author(s)
      K.Sakamoto, A.Kasugai, et al.
    • Journal Title

      Nuclear Fusion 49

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Design and testing of ITER ECH&CD transmission line components2009

    • Author(s)
      R.W.Callis, (K.Sakamoto), et al.
    • Journal Title

      Fusion Engineering and Design 84

      Pages: 526-529

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] In Tu be Shock Wave Driven by Atmospheric Mil limeter-Wave Plasma2009

    • Author(s)
      Y. Oda, K. Kajiwara, K. Takahashi, A. Ka sugai, K. Sakamoto, K. Komurasaki
    • Journal Title

      Japanese Journal of Applied Physics

      Pages: 118-123

    • NAID

      40016844226

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] In tube shock wave driven by atmospheric millimeter wave plasma2009

    • Author(s)
      Y.Oda, (K.Sakamoto), et al.
    • Journal Title

      Japanese Journal Applied Physics 48

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Development of 28GHz and 77GHz Gyrotron for ECRH of magnetically confined plasma2009

    • Author(s)
      T.Kariya, (K.Sakamoto), et.al.
    • Journal Title

      Fusion Science and Technology 55

      Pages: 91-94

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Desig n and testing of ITER ECH&CD transmissi on line components2009

    • Author(s)
      R.W. Callis, J. Doane, H. Grunloh, K. Ka jiwara, A. Kasugai, C. Moeller, Y. Oda, R. Olstad, K. Sakamoto, K. Takahashi
    • Journal Title

      84

      Pages: 526-529

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Progress of the high power 170GHz gyrotron in JAEA2009

    • Author(s)
      K. Sakamoto, A. Kasugai, K. Kajiwara, K. Takahashi, Y. Oda, K. Hayashi, N. Kobayashi
    • Journal Title

      Nuclear Fusion 49

      Pages: 95019-95019

    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Design of a high power millimeter wave launcher for EC H&CD system in ITER2009

    • Author(s)
      K.Kajiwara, (K.Sakamoto), et al.
    • Journal Title

      Fusion Engineering and Design 84

      Pages: 72-77

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Steady-State Operation of 170GHz_1 MW Gyrotron for ITER2008

    • Author(s)
      A. Kasugai, K. Sakamoto, K. Takahashi, K. Kajiwara, N. Kobayashi
    • Journal Title

      Nuclear Fusion 5, Vol.48

      Pages: 54009-54009

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Improvement de sign of an ITER equatorial launcher2008

    • Author(s)
      K. Takahashi, K. Kajiwara, N. Kobayashi, A. Kasugai, K. Sakamoto
    • Journal Title

      48

      Pages: 54009-54009

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Steady-state operation of 170GHz-1MW gyrotron for ITER2008

    • Author(s)
      A.Kasugai, K.Sakamoto, et.al.
    • Journal Title

      Fusion Engineering and Design 48

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Steady-state operation of 170GHz 1MW gyrotron for IT ER2008

    • Author(s)
      A. Kasugai, K. Sakamoto, K. Takahashi, K. Kajiwara, N. Kobayashi
    • Journal Title

      Nuclear Fusion 48

      Pages: 54009-54009

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Development of 7T cryogen-free superconducting magnet for gyrotron2008

    • Author(s)
      R.Hirose, (K.Sakamoto), et al.
    • Journal Title

      IEEE Transactions on Applied superconductivity 18

      Pages: 920-923

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Improved design of an ITER equatorial EC launcher2008

    • Author(s)
      K.Takahashi, (K.Sakamoto), et.al.
    • Journal Title

      Nuclear Fusion 48

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Achievement of robust high-efficiency 1MW oscillation in the hard-self-excitation region by a 170GHz continuous-wave gyrotron2007

    • Author(s)
      K. Sakamoto, A, Kasugai, K. Takahashi, R. Minami, N. Kobayashi, K. Kajiwara
    • Journal Title

      Nature Physics Vol.3

      Pages: 411-411

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Ach ievement of robust high-efficiency 1MW oscillation in the hard-excitation regi on by a 170GHz continuous wave gyrotron2007

    • Author(s)
      K. Sakamoto, A. Kasugai, K. Takahashi, R. Minami, N. Kobayashi, K. Kajiwara
    • Journal Title

      Nature Physics 3

      Pages: 411-414

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Achievement of robust high-efficiency 1MW oscillation in the hard-self-excitation region by a 170 GHz continuous-wave gyrotron2007

    • Author(s)
      K. Sakamoto, et. al.
    • Journal Title

      Nature Physics 3

      Pages: 411-414

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Steady State Operation of High Power Gyrotron for ITER2007

    • Author(s)
      A. Kazugai, K. Kajiwara, K. Takahashi, N. Kobayashi, T. Kariya, Y. Mitsunaka, K. Sakamoto
    • Journal Title

      Proceedings of 8th IEEE Vacuum Electronics Conference, Kitakyushu, Japan

      Pages: 37-37

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Achievement of robust high-efficiency 1 MW oscillation in the hard-self-excitation region by a 170 GHz continuous-wave gyrotron2007

    • Author(s)
      K.Sakamoto et al.
    • Journal Title

      Nature Physics Vol.3, No.6 (In press)

    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Demonstration of Steady State Operation with 1MW of 170GHz gyrotron for ITER2007

    • Author(s)
      A. Kasugai, K. Takahashi, K. Kajiwara, N. Kobayashi, K. Sakamoto
    • Journal Title

      17th Topical Conference of Radio Frequency Power in Plasma Clearewater, Florida, USA

      Pages: 405-412

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Demonstration of High Efficiency 1MW Oscillation by 170GHz CW Gyrotron2007

    • Author(s)
      K. Sakamoto, A. Kasugi, K. Kajiwara, K. Takahashi, N. Kobayashi
    • Journal Title

      Proceedings of the joint 32nd International Conference on Infrared and Millimeter Waves and 15th International Conference on Terabertz Electronics, Sept., Gardiff, UK.

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Demonstration of High Efficiency 1MW Oscillation by 170GHz CW Gyrotron2007

    • Author(s)
      K. Sakamoto, et. al.
    • Journal Title

      Proceedings of the joint 32nd International Conference on Infrared and Millimeter Waves and 15th International Conference on Telaherz Electronics

      Pages: 708-709

    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Achievement of robust high-efficiency 1 MW oscillation in the hard-self-excitation region by 170 GHz continuous-wave gyrotron2007

    • Author(s)
      K. Sakamoto, et. al.
    • Journal Title

      Nature Physics Vol.3

      Pages: 411-414

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] A thrust generation model of microwa ve rocket2007

    • Author(s)
      Y. Oda, T. Shibata, K. Komurasaki, K. Ta kahashi, A. Kasugai, K. Sakamoto, et al.
    • Journal Title

      J. Space technology and Science 20

      Pages: 30-35

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] High power Hi gh efficiency operation of 170GHz gyrotron2007

    • Author(s)
      A. Kasugai, A. Kajiwara, K. Takahashi, N. Kobayashi, K. Sakamoto
    • Journal Title

      Fusion Science and technology 51

      Pages: 213-216

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Present Status of Gyrotron Development for ITER, Prospect of Advanced Gyrotron for Fusion Reactor2007

    • Author(s)
      A. Kasugai, K. Takahashi, K. kajiwara, N. Kobayashi, K. Sakamoto
    • Journal Title

      IEEJ Technical Report

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] High power and bigh efficiency operation of 170GHz gyrotron2007

    • Author(s)
      A. Kasugai, R. Minami, K. Takahashi, N. Kobayashi, T. Kariya, Y. Mitsunaka, K. Sakamoto
    • Journal Title

      IEEE Transaction of Fusion Science and Technology 51, 2T

      Pages: 213-213

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Development of High Power and Long Pulse 170GHz Gyrotron2006

    • Author(s)
      K. Sakamoto, et. al.
    • Journal Title

      Proceedings of the 14th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron, Resonance Heating

      Pages: 3517-425

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Development of the 170GHz gyrotron and equatorial launcher for ITER2006

    • Author(s)
      K.Sakamoto et al.
    • Journal Title

      Proceedings of the 21st IAEA Conference (Fusion Energy 2006) IAEA-CN-149

    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] operation with high power, long pulse and high efficiency of 170GHz gyrotron for ITER2006

    • Author(s)
      A. Kasugai, K. Takahashi, N. Kobayashi, T. Karuya, Y. Mitsunaka, K. Sakamoto
    • Journal Title

      IEICE Technical Report 200, Vol.106

      Pages: 77-77

    • NAID

      10018233467

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Development of High Power and Long Pulse 170GHz Gyrotron2006

    • Author(s)
      K.Sakamoto et al.
    • Journal Title

      Proceedings of the 14th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating

      Pages: 517-525

    • Data Source
      KAKENHI-PROJECT-18560815
  • [Journal Article] Development of the 170GHz gyrotron and equatorial launcher for ITER2006

    • Author(s)
      K.Sakamoto et al.
    • Journal Title

      Proceedings of the 21st IAEA Conference (Fusion Energy 2006) IAEA-CN-149

    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Development of 170GHz Gyrotron for ITER2006

    • Author(s)
      A. Kasugai, K. Takahashi, N. Kobayashi, K. Sakamoto
    • Journal Title

      Conference Digest of Joint Workshop of 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics, September 18-22, Shanghai, China.

      Pages: 202-202

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Development of the 170GHz gyrotron and equatorial launcher for ITER2006

    • Author(s)
      K. Sakamoto, et. al.
    • Journal Title

      Proceedings of 21st IAEA Conference(Fusion Energy 2006), IAEA-CN-149

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Development of the 170GHz Gyrotron and Equatorial Launcher for ITER2006

    • Author(s)
      K. Sakamoto, A. Kasugai, K. Takahashi, R. Minami, T. Kariya, Y. Mitsunaka, N. Kobayashi
    • Journal Title

      Proceedings of 21st IAEA Fusion Energy Conference Chengdu, China.

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Development of High Power and Long Pulse 170GHz Gyrotron2006

    • Author(s)
      K.Sakamoto et al.
    • Journal Title

      Proceedings of the 14th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating

      Pages: 517-525

    • Data Source
      KAKENHI-PROJECT-18560042
  • [Journal Article] Achievement of robust high-efficiency 1 MW oscillation in the hard-self-excitation region by 170 GHz continuous-wave gyrotron

    • Author(s)
      K.Sakamoto et al.
    • Journal Title

      Nature Physics (In press)

    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Development of a 600 kW Gyrotron for Microwave Rocket Researches2019

    • Author(s)
      Kuniyoshi Tabata, Masafumi Fukunari, Yasuhisa Oda, Tsuyoshi Kariya, Ryutaro Minami, Keishi Sakamoto, Tsuyoshi Imai, Kimiya Komurasaki
    • Organizer
      IW-FIRT2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05770
  • [Presentation] Visualization of 170 GHz Millimeter-Wave Discharge in Atmosphere2019

    • Author(s)
      Toshikazu Yamaguchi,Ysuhisa Oda, Keishi Sakamoto, et al.
    • Organizer
      The 6th Workshop on Discharge Induced in High-Energy Electromagnetic Beam
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05770
  • [Presentation] ELM模擬実験に向けたメガワット級ジャイロトロンのECHシステムへの適用2019

    • Author(s)
      南龍太郎, 假家強, 今井剛, 沼倉友晴, 北條俊孝, 本吉郁哉, 八房拓也, 北爪裕生, 木保孝則, 小島瑶平, 遠藤洋一, 坂本瑞樹
    • Organizer
      第36回 プラズマ・核融合学会 年会
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] 28/35 GHz 2周波数ジャイロトロンの定常動作に向けた出力窓の性能評価2019

    • Author(s)
      本吉郁哉、假家強、今井剛、南龍太郎、沼倉友晴、出射浩、恩地拓己、坂本瑞樹
    • Organizer
      第36回 プラズマ・核融合学会 年会
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Development Of A High-Power Gyrotron For Beamed Energy Propulsion Applications2018

    • Author(s)
      Masafumi Fukunari, Yasuhisa Oda, Tsuyoshi Kariya, Ryutaro Minami, Yuusuke Yamaguchi, Yoshinori Tatematsu, Teruo Saito, Keishi Sakamoto, Tsuyoshi Imai, Kimiya Komurasaki
    • Organizer
      43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05770
  • [Presentation] Frequency dependence of atmospheric millimeter wave breakdown plasma2018

    • Author(s)
      Yasuhisa Oda, Masayuki Takahashi, Kuniyoshi Tabata, Naofumi Ohnishi, Kimiya Komurasaki, Keishi Sakamoto
    • Organizer
      43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05770
  • [Presentation] Development of High Power Gyrotrons for Advanced Fusion Devices and DEMO2018

    • Author(s)
      T. KARIYA, R. MINAMI, T. IMAI, T. NUMAKURA, M. OKADA, Y. ENDO, Y. NAKASHIMA, H. IDEI, T. ONCHI, K. HANADA, T. SHIMOZUMA, Y. YOSHIMURA, H. TAKAHASHI, H. IGAMI, T. TSUJIMURA, S. ITO, S. KOBAYASHI, S. KUBO, K. SAKAMOTO, Y. ODA, R. IKEDA, K. KAJIWARA, K. TAKAHASHI, T. KOBAYASHI, S. MORIYAMA, M. ONO, K. NAGASAKI, etc.
    • Organizer
      The 27th IAEA FUSION ENERGY CONFERENCE
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Status of collaborative Research of Gyrotron Development at University of Tsukuba2017

    • Author(s)
      T. Kariya, R. Minami, T. Imai, T. Numakura, Y. Ebashi, T. Shimozuma, S. Kubo, K. Sakamoto, H. Idei, K. Hanada, T. Eguchi, Y. Mitsunaka, Y. Nakashima
    • Organizer
      Plasma Conference 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Presentation] Study of High Power and High Frequency Gyrotron for FusionReactor2017

    • Author(s)
      Keishi Sakamoto, Ryosuke Ikeda, Tsuyoshi Kariya, Yasuhisa Oda, Takayuki Kobayashi, Ken Kajiwara, Kazuo Hayashi, Ryutaro Minami, Koji Takahashi, Tsuyoshi Imai, Shinichi Moriyama
    • Organizer
      42th Int.Conf.on Infrared, Millimeter and Terahertz Waves
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Presentation] Status of Collaborative Research of Gyrotron Developments at University of Tsukuba2017

    • Author(s)
      T. Kariya, R. Minami, T. Imai, T. Numakura, Y. Ebashi, T. Shimozuma, S. Kubo, K. Sakamoto, H. Idei, K. Hanada, T. Eguchi, Y. Mitsunaka, Y. Nakashima
    • Organizer
      Plasma Conference 2017
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Development of Over MW Gyrotrons for Fusion at Frequencies from 14 GHz to Sub-terahertz2016

    • Author(s)
      T. Kariya, T. Imai, R. Minami, T. Numakura, K. Tsumura, Y. Ebashi, Y. Endo, R. Ikezoe, Y. Nakashima, K. Sakamoto, Y. Oda, R. Ikeda, K. Takahashi, T. Kobayashi, S. Moriyama, T. Shimozuma, S. Kubo, Y. Yoshimura, H. Takahashi, H. Igami, T. Mutoh, H. Idei, K. Hanada, K. Nagasaki, M. Ono, T. Eguchi, Y. Mitunaka, et.,al.
    • Organizer
      IAEA-FEC2016
    • Place of Presentation
      Kyoto International Conference Center,Kyoto, Japan
    • Year and Date
      2016-10-17
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Status of high power gyrotron development in JAEA2015

    • Author(s)
      K.Sakamoto, R. Ikeda, Y.Oda, T.Kobayashi, K.Kajiwara, H.Shidara, K.Takahashi, S. Moriyama
    • Organizer
      16th International Vacuum Electronics Conference (IVEC 2015)
    • Place of Presentation
      Beijing (China)
    • Year and Date
      2015-04-27
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Development of high power gyrotrons and Mm-wave launcher For ITER2015

    • Author(s)
      K. Takahashi , Y. Oda, T. Kobayashi, R. Ikeda, G. Abe, M. Isozaki, H. Shidara, S. Moriyama, K. Kajiwara, K. Sakamoto
    • Organizer
      40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)
    • Place of Presentation
      Hong Kong (China)
    • Year and Date
      2015-08-23
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Development of Over 1 MW and Multi-Frequency Gyrotrons for Present ST and Fusion Experiments in University of Tsukuba2015

    • Author(s)
      R. Minami, T. Kariya, T. Imai, T. Numakura, Y. Endo, M. Ichimura, T. Shimozuma, S. Kubo, H. Takahashi, Y. Yoshimura, H. Igami, S. Ito, T. Mutoh, K. Sakamoto, Y. Oda, R. Ikeda, K. Takahashi, H. Idei, K. Nagasaki, M. Ono, T. Eguchi, Y. Mitsunaka
    • Organizer
      18th International Spherical Torus Workshop
    • Place of Presentation
      Princeton ( USA )
    • Year and Date
      2015-11-03
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Study of Sub-Terahertz high power gyrotron for ECH&CD system of DEMO2015

    • Author(s)
      Keishi Sakamoto, Tsuyoshi Kariya, Yasuhisa Oda, Ryutaro Minami, Ryosuke Ikeda, Ken Kajiwara, Takayuki Kobayashi, Koji Takahashi, Shinichi Moriyama, Tsuyoshi Imai
    • Organizer
      2015 IEEE International Conference on Plasma Science
    • Place of Presentation
      Turkey, Antalya
    • Year and Date
      2015-05-27
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Presentation] Development of Over 1 MW Gyrotrons and ECH Systems in University of Tsukuba2015

    • Author(s)
      R. Minami, T. Kariya, T. Imai, T. Numakura, Y. Endo, Y. Nakashima, T. Shimozuma, S. Kubo, H. Takahashi, Y. Yoshimura, H. Igami, S. Ito, T. Mutoh, K. Sakamoto, Y. Oda, R. Ikeda, K. Takahashi, H. Idei, K. Nagasaki, M. Ono, T. Eguchi and Y. Mitsunaka
    • Organizer
      Japan-Korea Workshop on "Physics and Technology of Heating and Current Drive"
    • Place of Presentation
      日立シビックセンター( 茨城県、日立市)
    • Year and Date
      2015-12-21
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Development of Over 1 MW and Multi-Frequency Gyrotrons in University of Tsukuba2015

    • Author(s)
      R. Minami, T. Kariya, T. Imai, T. Numakura, Y. Endo, M. Ichimura, T. Shimozuma, S. Kubo, H. Takahashi, Y. Yoshimura, H. Igami, S. Ito, T. Mutoh, K. Sakamoto, Y. Oda, R. Ikeda, K. Takahashi, H. Idei, H. Zushi, K. Nagasaki, F. Sano, M. Ono, T. Eguchi, Y. Mitsunaka
    • Organizer
      Workshop on RF Heating Technology of Fusion Plasmas 2015
    • Place of Presentation
      国際ファッションセンター( 東京都、墨田区)
    • Year and Date
      2015-08-31
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Progress of 300 GHz high order mode gyrotron development2015

    • Author(s)
      (1)Yasuhisa Oda, Tsuyoshi Kariya, Ryutaro Minami, Ryosuke Ikeda, Ken Kajiwara, Koji Takahashi, Kazuo Hayashi, Tsuyoshi Imai, Keishi Sakamoto
    • Organizer
      40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2015) (Hong Kong, 23 - 28 August 2015) TS-68
    • Place of Presentation
      香港
    • Year and Date
      2015-08-23
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Presentation] DEMO炉用300GHzジャイロトロンの開発2015

    • Author(s)
      (3)假家強, 小田靖久, 南龍太郎, 津村康平, 池田亮介, 梶原健, 高橋幸司, 林一生, 今井剛, 坂本慶司
    • Organizer
      第32回プラズマ・核融合学会 年会
    • Place of Presentation
      名古屋大学東山キャンパス
    • Year and Date
      2015-11-24
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Presentation] Preliminary result of 300GHz short pulse high order mode gyrotron2014

    • Author(s)
      Keishi Sakamoto, Yasuhisa Oda, Tsuyoshi Kariya, Ryutaro Minami, Ryosuke Ikeda, Ken Kajiwara, Koji Takahashi, Kazuo Hayashi, Tsuyoshi Imai
    • Organizer
      39th International Conference on Infrared, Millimeter wave, and Terahertz waves
    • Place of Presentation
      Tuson, USA
    • Year and Date
      2014-09-17
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Presentation] Study of Sub-Terahertz high power gyrotron for ECH&CD system of DEMO2014

    • Author(s)
      Keishi Sakamoto, Tsuyoshi Kariya, Yasuhisa Oda, Ryutaro Minami, Ryosuke Ikeda, Ken Kajiwara, Takayuki Kobayashi, Koji Takahashi, Shinichi Moriyama, Tsuyoshi Imai
    • Organizer
      Plasma Conference 2014
    • Place of Presentation
      新潟
    • Year and Date
      2014-11-21
    • Data Source
      KAKENHI-PROJECT-25249135
  • [Presentation] Progress of High Power Long Pulse Gyrotron for Fusion Application2013

    • Author(s)
      坂本慶司、梶原 健、小田靖久、林一生、池田亮介
    • Organizer
      38th International Conference on Infrared, Millimeter, and Terahertz
    • Place of Presentation
      マインツ(ドイツ)
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Thrust Performance and Plasma Generation of Microwave Rocket with Microwave Beam Space Transmission System2013

    • Author(s)
      Masafumi Fukunari, Toshikazu Yamaguchi, Shohei Saitoh, Kenta Asai, Satoshi Kurita, Kimiya Komurasaki, Yasuhisa Oda, Ken Kajiwara, Koji Takahashi, Keishi Sakamoto
    • Organizer
      IEEE Pulsed Power & Plasma Science Conference
    • Place of Presentation
      San Francisco, California, USA
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Progress of Development for 170GHz Gyrotron and 5kHz Modulation Power Supply for ITER2013

    • Author(s)
      梶原 健、小田靖久、池田亮介、高橋幸司、坂本慶司
    • Organizer
      20th Topical Conference on Radio Frequency Power in Plasmas
    • Place of Presentation
      ソレント(イタリア)
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Status of high power gyrotron development in JAEA2013

    • Author(s)
      坂本慶司、梶原 健、小田靖久、林一生、高橋幸司
    • Organizer
      IEEE 14th International Vacuum Electronics Conference (IVEC)
    • Place of Presentation
      パリ(フランス)
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Progress of high power long pulse gyrotron development in JAEA2012

    • Author(s)
      坂本 慶司、梶原 健、小田 靖久、林 一生、高橋 幸司
    • Organizer
      39th European Physical Society Conference on Plasma Physics
    • Place of Presentation
      ストックホルム(スウェーデン)
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] A Study of High Efficient Beam Coupling of High Power Gyrotron and Transmission Line2012

    • Author(s)
      小田 靖久、梶原 健、高橋 幸司、坂本 慶司
    • Organizer
      The 37th International Conference on Infrared, Milimeter and Terahertz Waves (IRMMW-THz)
    • Place of Presentation
      ウロンゴン(オーストラリア)
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Progress on the Development of High Power Long Pulse Gyrotron and Related Technologies2012

    • Author(s)
      梶原 健、坂本 慶司、小田靖久、林 一生、高橋 幸司、春日井 敦
    • Organizer
      24th IAEA Fusion Energy Conference (FEC 2012)
    • Place of Presentation
      サンディエゴ(アメリカ)
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Interaction between Shock Wave and Plasma Region Ionized by Millimeter Wave Beam and Its Application to Pulse Detonation System as a Microwave Rocket2011

    • Author(s)
      Yamaguchi T, Komatsu R, Komurasaki K, Oda Y, Kajiwara K, Takahashi K, Sakamoto K
    • Organizer
      IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission
    • Place of Presentation
      Uji Campus, Kyoto University, Kyoto
    • Year and Date
      2011-05-13
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Millimeter-wave Beam Conversion with Quasi-optical Mirrors for Microwave Rocket Launch Demonstration2011

    • Author(s)
      Yamaguchi T, Komurasaki K, Oda Y, Kajiwawara K, Takahashi K, Sakamoto K
    • Organizer
      7th International Symposium on Beamed Energy Propulsion
    • Place of Presentation
      Ludwigsburg, Germany
    • Year and Date
      2011-04-13
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Millimeter-wave Driven Shock Wave for a Pulsed Detonation Microwave Rocke2011

    • Author(s)
      Yamaguchi T, Komatsu R, Fukunari M, Komurasaki K, Oda Y, Kajiwawara K, Takahashi K, Sakamoto K
    • Organizer
      7th International Symposium on Beamed Energy Propulsion
    • Place of Presentation
      Ludwigsburg, Germany
    • Year and Date
      2011-04-13
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Development of Microwave Rocket as a Space Mass Transportation System2011

    • Author(s)
      Komatsu R, Fukunari M, Yamaguchi T, Komurasaki K, Arakawa Y, Oda Y, Sakamoto K, Funaki I, Katsurayama H
    • Organizer
      IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission
    • Place of Presentation
      Uji Campus, Kyoto University, Kyoto
    • Year and Date
      2011-05-13
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Progress of the high power gyrotron development in JAEA(Invited)2009

    • Author(s)
      K.Sakamoto, et al.
    • Organizer
      IEEE The 34^<th> Int.Conf.on Infrared, Millimeter, and Terahertz waves
    • Place of Presentation
      釜山(韓国)
    • Year and Date
      2009-09-24
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Gyrotron Beam Coupling Method into Corrugated Waveguide2009

    • Author(s)
      Y. Oda, K. Kajiwara, K. Takahashi, A. Kasugai, K. Sakamoto
    • Organizer
      The 18th Topical Conference on Radio Frequency Power in Plasmas
    • Place of Presentation
      Ghent, Belgium
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Progress of the high power gyrotron development in JAEA2009

    • Author(s)
      K. Sakamoto, K. Kajiwara, A. Kasugai, Y. Oda, K. Takahashi, N. Kobayashi
    • Organizer
      IEEE The 34th Int. Conf. on Infrared, Millimeter, and Terahertz waves
    • Place of Presentation
      Busan, Korea(Invited)
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Gyrotron beam coupling into corrugate waveguide2009

    • Author(s)
      Y.Oda, (KSakamoto), et al.
    • Organizer
      IEEE The 34^<th> Int.Conf.on Infrared, Millimeter, and Terahertz waves
    • Place of Presentation
      釜山(韓国)
    • Year and Date
      2009-09-24
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Gyrotron beam coupling into corrugate waveguide2009

    • Author(s)
      Y. Oda, K. Kajiwara, K. Takahashi, A. Kasugai, K. Sakamoto, et al.
    • Organizer
      IEEE The 34th Int. Conf. on Infrared, Millimeter, and Terahertz waves
    • Place of Presentation
      Busan, Korea
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Progress of the high power gyrotron development in JAEA(Invited)2008

    • Author(s)
      K.Sakamoto, et al.
    • Organizer
      35^<th> IEEE International conference on plasma science
    • Place of Presentation
      カールスルーエ(ドイツ)
    • Year and Date
      2008-06-17
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Development of quasi-optical transmission line for ITER equatorial EC launcher2008

    • Author(s)
      K. Takahashi, K. Kajiwara, N. Kobayashi, A. Kasugai, Y. Oda, T. Kobayashi, S. Moriyama, K. Sakamoto
    • Organizer
      25th Symposium on Fusion Technology
    • Place of Presentation
      Lostock, Germany
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Demonstration of 1MW wuasi-CW operation of 170GHz gyrotron and progress of EC technology2008

    • Author(s)
      A. Kasugai, K. Sakamoto, K. Takahashi, K. Kajiwara, Y. Oda, N. Kobayashi
    • Organizer
      22nd IAEA Fusion Energy Conference
    • Place of Presentation
      Geneva, Switzerland
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Development of 1MW quasi-CW operation of 170GHz gyrotron and progress of EC technology for ITER(Invited)2008

    • Author(s)
      A.Kasugai, K.Sakamoto, et al.
    • Organizer
      22^<nd> IAEA fusion energy conference
    • Place of Presentation
      ジュネーブ(スイス)
    • Year and Date
      2008-10-17
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Development of quasi-optical transmission line for ITER equatorial EC launcher2008

    • Author(s)
      K.Takahashi, (K.Sakamoto), et al.
    • Organizer
      25^<th> symposium on fusion technology
    • Place of Presentation
      ロストック(ドイツ)
    • Year and Date
      2008-09-17
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] A structure of breakdown plasma by a high power millimeter wave beam2008

    • Author(s)
      Y. Oda, K. Kajiwara, K. Takahashi, A. Kasugai, K. Sakamoto, K. Komurasaki
    • Organizer
      International Congress on Plasma Physics Karlsrhue
    • Place of Presentation
      Germany
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] A high-power gyrotron and high-power mm wave technology for Fusion Reactor2008

    • Author(s)
      K. Sakamoto, K. Kajiwara, A. Kasugai, Y. Oda, K. Takahashi, T. Kobayashi, A. Isayama, S. Moriyama
    • Organizer
      18th International Toki Conference
    • Place of Presentation
      Toki, Japan
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] A high power gyrotron and high power mm wave technology for fusion reactor(Invited)2008

    • Author(s)
      K.Sakamoto, et al.
    • Organizer
      18^<th> International Toki Conference
    • Place of Presentation
      土岐(岐阜)
    • Year and Date
      2008-12-10
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Study of the frequency behaviour of the ITER 170GHz gyrotron2008

    • Author(s)
      K.Kajiwara, K.Sakamoto, et al.
    • Organizer
      25^<th> symposium on fusion technology
    • Place of Presentation
      ロストック(ドイツ)
    • Year and Date
      2008-09-17
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Progress in ITER heating and current drive system(Invited)2008

    • Author(s)
      K.Sakamoto, et al.
    • Organizer
      22^<nd> IAEA fusion energy conference
    • Place of Presentation
      ジュネーブ(スイス)
    • Year and Date
      2008-10-17
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] High power gyrotron development for fusion application2008

    • Author(s)
      K. Sakamoto, K. Kajiwara, A. Kasugai, T. Kobayashi, Y. Oda, K. Takahashi, N. Kobayashi, S. Moriyama
    • Organizer
      33rd International Conference on Infrared, Milimeter, and Terahrtz Waves
    • Place of Presentation
      Pasadena, USA
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Evelopment of 1MW-CW gyrotron for ITER2007

    • Author(s)
      A. Kasugai, K. Sakamoto, K. Takahashi, K. Kajiwara, Y. Ikkeda, S. Komori, N. Kobatyashi, T. Kariya, R. Minami, Y. Mitsunaka
    • Organizer
      24thJSPF Annual Meeting
    • Place of Presentation
      Himeji
    • Year and Date
      2007-11-28
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Demonstration of Steady State Operaation with 1MW of 170GHz gyrotron for ITER2007

    • Author(s)
      A. Kasugai, K. Takahashi, K. Kajiwara, N. Kobayashi, K. Sakamoto
    • Organizer
      17th Topical Conference of Radio Frequency Power in Plasma
    • Place of Presentation
      Clearewater, Frolida, USA
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Demonstration of High Efficiency 1MW Oscillation by 170GHz CW Gyrotron2007

    • Author(s)
      K. Sakamoto, et. al.
    • Organizer
      32nd International Conference on Infrared and Millimeter Waves and 15th International Conference on Terahertz Electronics
    • Place of Presentation
      英語、カーディフ
    • Year and Date
      2007-09-06
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Demonstration of high efficiency 1MW oscillation by 170GHz CW gyrotron2007

    • Author(s)
      K. Sakamoto, et al.
    • Organizer
      Proc. of the joint conference on infrared and mm waves and 15th Int. conf. on terahertz electronics
    • Place of Presentation
      Cardiff, UK
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Present Status of Gyrotron Development for ITER and Prospect of Advanced Gyrotron for Fusion Reactor2007

    • Author(s)
      A. Kasugai, K. Takahashi, K. Kajiwara, N. Kobayashi, K. Sakamoto
    • Organizer
      IEEJ
    • Place of Presentation
      Toyama, Japan
    • Year and Date
      2007-03-10
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Steady State Operation of High Power Gyrotron for ITER2007

    • Author(s)
      A. Kasugai, K. Kajiwara, K. Takahashi, N. Kobayashi, T. Kariya, Y. Mitsunaka, K. Sakamoto
    • Organizer
      8th IEEE Vacuum Electronics Conference
    • Place of Presentation
      Kitakyushi, Japan
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Demonstration of High Efficiency 1MW Oscillation by 170GHz CW Gyrotron2007

    • Author(s)
      K. Sakamoto, A Kasugai, K. Kajiwara, K. Takahashi, N. Kobayashi
    • Organizer
      joint 32nd International Conference on Infrared and Millimeter waves and 15th International Conference on Terahertz Electronics
    • Place of Presentation
      Cardiff, UK.
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Demonstration of High Efficiency 1MW Oscillation by 170GHz CW Gyrotron2007

    • Author(s)
      K. Sakamoto, et. al.
    • Organizer
      32nd International Conference on Infrared and Millimeter Waves and 15th International Conference on Terahertz Electronics
    • Place of Presentation
      英国、カーディフ
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Demonstration of High Efficiency 1MW Oscillation by 170GHz CW Gyrotron2007

    • Author(s)
      Keishi Sakamoto
    • Organizer
      Joint 32nd Int.Conf.on Infrared and Millimeter Waves and 15th Int.Conf.on Terahertz Electronscs
    • Place of Presentation
      英国、カーディフ
    • Year and Date
      2007-09-05
    • Data Source
      KAKENHI-PROJECT-18560815
  • [Presentation] Development of the 170GHz Gyrotron and Equatorial Launcher for ITER,2006

    • Author(s)
      K. Sakamoto, et. al.
    • Organizer
      21th IAEA Fusion Energy Conference,
    • Place of Presentation
      中国、成都
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Development of 170GHz Gyrotron for ITER2006

    • Author(s)
      A. Kasugai, K. Takahashi, N. Kobayashi, K. Sakamoto
    • Organizer
      Joint Worshop of 31st International Conference on Infrared and Milimeter Waves and 14th International Conference on Terahertz Electronics
    • Place of Presentation
      Shanghai, China
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Development of the 170GHz Gyrotron and Equatorial Launcher for ITER2006

    • Author(s)
      K. Sakamoto, A. Kasugai, K. Takahashi, R. Minami, T. Kariya, Y. Mitsunaka, N. Kobayashi
    • Organizer
      21th IAEA Fusion Energy Conference
    • Place of Presentation
      Chengdu, China
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] Steady State Operation of 170GHz Gyrotron for ITER2006

    • Author(s)
      A. Kasugai, K. Takahashi, N. Kobayashi, K. Sakamoto
    • Organizer
      23th JSPF Annual Meeting
    • Place of Presentation
      Tsukuba
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18560042
  • [Presentation] テーパリード弁を用いたマイクロ波ロケットの空気吸い込み機構の開発

    • Author(s)
      福成 雅史、山口 敏和、中村 友祐、柿沼 薫、小紫 公也、小泉 宏之、小田 靖久、池田 亮介、梶原 健、高橋 幸司、坂本 慶司
    • Organizer
      航空原動機宇宙推進講演会
    • Place of Presentation
      富山国際会議場(富山県富山市)
    • Year and Date
      2015-03-09 – 2015-03-10
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Development of Over 1 MW and Multi-Frequency Gyrotrons for Fusion

    • Author(s)
      T. Imai, T. Kariya, R. Minami, T. Numakura, T. Eguchi, T. Kato. Y. Endo, M. Ichimura, T. Shimozuma, S. Kubo1, H. Takahashi, Y. Yoshimura, H. Igami, S. Ito, T. Mutoh, K. Sakamoto, H. Idei, H. Zushi, K. Nagasaki, F. Sano, M. Ono, Y. Mitsunaka
    • Organizer
      25th IAEA Fusion Energy Conference
    • Place of Presentation
      St. Peterusburug, Russia
    • Year and Date
      2014-10-13 – 2014-10-18
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] 大気圧ミリ波放電のフィラメント構造解析

    • Author(s)
      中村 友祐、山口 敏和、福成 雅史、小紫 公也、小田 靖久、池田 亮介、高橋 幸司、坂本 慶司
    • Organizer
      宇宙輸送シンポジウム
    • Place of Presentation
      JAXA宇宙科学研究所(神奈川県相模原市)
    • Year and Date
      2015-01-15 – 2015-01-16
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Experiments of High - Power Multi - Frequency Gyrotron and Long Distance Transmission

    • Author(s)
      池田亮介、梶原健、小田靖久、高橋幸司、坂本慶司
    • Organizer
      28th Symposium on Fusion Technology
    • Place of Presentation
      サン・セバスティアン(スペイン)
    • Year and Date
      2014-09-29 – 2014-10-03
    • Data Source
      KAKENHI-PROJECT-24561034
  • [Presentation] Development of 28 GHz /35 GHz Dual-Frequency Gyrotron

    • Author(s)
      T. Kato, T. Kariya, T. Imai, R. Minami, T. Numakura, T. Eguchi, M. Uehara, K. Sakamoto, M. Ichimura
    • Organizer
      The 10th International Conference on Open Magnetic Systems for Plasma Confinement
    • Place of Presentation
      Daejeon,Korea
    • Year and Date
      2014-08-26 – 2014-08-29
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Status of Collaborative Gyrotron developments in University of Tsukuba

    • Author(s)
      Tsuyoshi Kariya, Tsuyoshi Imai, Ryutaro Minami, Takaki Kato, Keishi Sakamoto, Hiroshi Idei, Hideki Zushi, Kazuaki Hanada, Masayuki Ono, Taku Eguchi, Yoshika Mitsunaka, Tomoharu Numakura, Makoto Ichimura
    • Organizer
      Plasma 2014 (プラズマ・核融合学会第31回年会)
    • Place of Presentation
      新潟市
    • Year and Date
      2014-11-18 – 2014-11-21
    • Data Source
      KAKENHI-PROJECT-26249141
  • [Presentation] Demonstration of Sub-Megawatt Power Transmission to Microwave Rocket

    • Author(s)
      M. Fukunari, N. Wongsuryrat, T. Yamaguchi, K. Komurasaki, Y. Oda, R. Ikeda, K. Kajiwara, K. Takahashi, K. Sakamoto
    • Organizer
      IRMMW-THz 2014
    • Place of Presentation
      Tucson, AZ, US
    • Year and Date
      2014-09-15 – 2014-09-17
    • Data Source
      KAKENHI-PROJECT-23246145
  • [Presentation] Microwave Rocket with Quasi-Optical Microwave Power Transmission System and Flight Demonstration

    • Author(s)
      M. Fukunari, T. Yamaguchi, K. Asai, S. Kurita, N. Wongsuryrat, K. Komurasaki, Y. Oda, R. Ikeda, K. Kajiwara, K. Takahashi, K. Sakamoto
    • Organizer
      International High Power Laser Ablation and Beamed Energy Propulsion
    • Place of Presentation
      Santa Fe, NM, US
    • Year and Date
      2014-04-21 – 2014-04-23
    • Data Source
      KAKENHI-PROJECT-23246145
  • 1.  ODA Yasuhisa (60512209)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 34 results
  • 2.  IMAI Tsuyoshi (80354637)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 23 results
  • 3.  TAKAHASHI Koji (70354644)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 35 results
  • 4.  MINAMI Ryutaro (70370476)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 22 results
  • 5.  假家 強 (30451678)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 23 results
  • 6.  KASUGAI Atsushi (70354636)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 35 results
  • 7.  UTSUMI Takayuki (50360433)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  KATO Susumu (20356786)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 9.  FUKUDA Yuji (30311327)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 10.  SASAKI Akira (10215709)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  KOMURASAKI KIMIYA (90242825)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 16 results
  • 12.  Kajiwara Ken (90450311)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 17 results
  • 13.  KISHIMOTO Yasuaki (10344441)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  MAEKAWA Takash (20127137)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  LI Jiquan (00437253)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  CHO Teruji (80171958)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  YASAKA Yasuyoshi (30109037)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  KOHAGURA Junko (60302345)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  HIRATA Mafumi (70222247)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  児玉 了祐 (80211902)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  高部 英明 (20150352)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  河野 康則 (90354589)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  小林 貴之 (10465974)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 24.  下妻 隆 (80270487)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 11 results
  • 25.  森山 伸一 (90354654)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  大西 直文 (20333859)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 27.  白石 裕之 (50273272)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  葛山 浩 (80435809)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  森 浩一 (90375121)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  久保 伸
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 31.  出射 浩
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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