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In-situ mode analysis of high power millimeter-waves propagating in the corrugated waveguide

Research Project

Project/Area Number 19560051
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied physics, general
Research InstitutionNational Institute for Fusion Science

Principal Investigator

SHIMOZUMA Takashi  National Institute for Fusion Science, 大型ヘリカル研究部, 准教授 (80270487)

Co-Investigator(Kenkyū-buntansha) IDEI Hiroshi  九州大学, 応用力学研究所, 准教授 (70260049)
KUBO Shin  核融合科学研究所, 大型ヘリカル研究部, 教授 (80170025)
YOSHIMURA Yasuo  核融合科学研究所, 大型ヘリカル研究部, 助教授 (90300730)
IGAMI Hiroe  核融合科学研究所, 大型ヘリカル研究部, 助教授 (10390634)
Research Collaborator SHAPIRO M. A.  マサチューセッツ工科大学, プラズマ科学核融合センター, 研究員
TEMKIN R. J.  マサチューセッツ工科大学, プラズマ科学核融合センター, 主任研究員
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Keywords物理計測 / 制御 / 計測工学 / プラズマ・核融合
Research Abstract

大電力長距離伝送用オーバーサイズ円形コルゲート導波管内の電磁波の伝搬モードの純度、モード比を知るために、測定可能である導波管端から放射された電磁波の強度分布のみを用いて、導波管内の伝搬モードの成分分析を行うことができる画期的方法を提案、実証した。データ解析においては放射パタンの強度分布より位相情報を再構成し、それを使って導波管内基底モード展開することによってモード成分構成を求めた。またそれらの展開係数を用いて本来測定不可能な導波管中の電界、位相分布再構成し、不要モードへのモード変換の原因を追究した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (33 results)

All 2009 2008 2007

All Journal Article (15 results) (of which Peer Reviewed: 5 results) Presentation (18 results)

  • [Journal Article] Analysis of Propagating Mode Contents in the Corrugated Waveguides of ECH System for Precise Alignment2009

    • Author(s)
      T. Shimozuma, H. Idei, M. A. Shapiro, R. J. Temkin, S. Kubo, H. Igami, Y. Yoshimura, et al.
    • Journal Title

      Proceedings on 18th International Toki Conference NIFS-PROC-78

      Pages: 301-304

    • Related Report
      2008 Final Research Report
  • [Journal Article] Analysis of Propagating Mode Contents in the Corrugated Waveguides of ECH System for Precise Alignment2009

    • Author(s)
      T. Shimozuma
    • Journal Title

      Proceedings on 18^<th> International Toki Conference NIFS-PROC-78

      Pages: 301-304

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Handling Technology of Mega-Watt Millimeter-wave for Optimized Heating of Fusion Plasmas2008

    • Author(s)
      T. Shimozuma, S. Kubo, Y. Yoshimura, H. Igami, H. Takahashi, et al.
    • Journal Title

      Proceedings on Global Congress on Microwave Energy Applications

      Pages: 571-574

    • Related Report
      2008 Final Research Report
  • [Journal Article] Propagating Mode Analysis and Field Reconstruction in the Corrugated Waveguides of a High Power Electron Cyclotron Heating System2008

    • Author(s)
      T. Shimozuma, H. Idei, M. A. Shapiro, R. J. Temkin, S. Kubo, Y. Yoshimura, H. Igami, et al.
    • Journal Title

      Proceedings on 33rd International Conference on Infrared, Millimeter, and Terahertz Waves R5D38

    • Related Report
      2008 Final Research Report
  • [Journal Article] Clear Transition to High-Te State with an Electron Internal Transport Barrier Creation in EC Heated LHD Plasmas2008

    • Author(s)
      T. Shimozuma, S. Kubo, H. Igami, et al.
    • Journal Title

      Journal of Physics : Conference Series 123

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Efficient Heating at the Third-Harmonic Electron Cyclotron Resonance in the Large Helical Device2008

    • Author(s)
      T. Shimozuma, S. Kubo, H. Igami, et al.
    • Journal Title

      Plasma and Fusion Research 3

    • NAID

      130000264025

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stability and Confinement Studies of High-Performance NBI Plasmas in the Large Helical Device Toward a Steady-State Helical Fusion Reactor2008

    • Author(s)
      Y. Takeiri, A. Komori, H. Yamada, et al.
    • Journal Title

      Plasma and Fusion Research 3

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Handling Technology of Mega-Watt Millimeter-wave for Optimized Heating of Fusion Plasmas2008

    • Author(s)
      T. Shimozuma
    • Journal Title

      Proceedings on Global Congress on Microwave Energy Applications

      Pages: 571-574

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Propagating Mode Analysis and Field Reconstruction in the Corrugated Waveguides of a High Power Electron Cyclotron Heating System2008

    • Author(s)
      T. Shimozuma
    • Journal Title

      Proceedings on 33^<rd> International Conference on Infrared, Millimeter, and Terahertz Waves

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Experimental Conditions of ECRH and Magnetic Configuration for Efficient Electron Heating in Large Helical Device2007

    • Author(s)
      T. Shimozuma, S. Kubo, et al.
    • Journal Title

      Conference Abstracts of 34th European Phys. Soc. Conf. on Plasma Physics

      Pages: 4-153

    • Related Report
      2008 Final Research Report
  • [Journal Article] Mode retrieval in a circular corrugated waveguide2007

    • Author(s)
      H. Idei, T. Shimozuma, et al.
    • Journal Title

      Conference Digest of 2007 Joint 32nd Int. Conf. IRMMW and Int. Conf.

      Pages: 69-70

    • Related Report
      2008 Final Research Report
  • [Journal Article] Development of High Power Transmission System for ECRH in LHD2007

    • Author(s)
      T.Notake, S. Ito, S. Kubo, T. Shimozuma, et al.
    • Journal Title

      Fusion Science and Technology 51

      Pages: 409-411

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Core Electron-Root Confinement (CERC) in Helical Plasmas, Nuclear Fusion2007

    • Author(s)
      M. Yokoyama, H. Maasberg, K. Ida, et al.
    • Journal Title

      Fusion Science and Technology 51

      Pages: 409-411

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Experimental Conditions of ECRH and Magnetic Configuration for Efficient Electron Heating in Laree Helical Device2007

    • Author(s)
      T. Shimozuma, S. Kubo, et. al.
    • Journal Title

      Conference Abstracts of 34th European Phys.Soc.Conf.on Plasma Physics

      Pages: 4-153

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Mode retrieval in a circular corrugated waveguide2007

    • Author(s)
      H. Idei, T. Shimozuma, et. al.
    • Journal Title

      Conference Digest of 2007 Joint 32nd Int.Conf.IRMMW and Int.Conf.on 15th THz Electronics

      Pages: 69-70

    • Related Report
      2007 Annual Research Report
  • [Presentation] Analysis of Propagating Mode Contents in the Corrugated Waveguides of ECH System for Precise Alignment2008

    • Author(s)
      下妻 隆、他
    • Organizer
      第18 回国際土岐コンファレンス
    • Place of Presentation
      岐阜県土岐市(日本)
    • Year and Date
      2008-12-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Analysis of Propagating Mode Contents in the Corrugated Waveguides of ECH System for Precise Alignment2008

    • Author(s)
      下妻隆
    • Organizer
      第18回国際土岐コンファレンス
    • Place of Presentation
      岐阜県土岐市(日本)
    • Year and Date
      2008-12-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] 大電力ミリ波のコルゲート導波管内伝搬モードのin situ 分析に関する研究2008

    • Author(s)
      下妻 隆,他
    • Organizer
      プラズマ・核融合学会第25 会年会
    • Place of Presentation
      栃木県宇都宮市(日本)
    • Year and Date
      2008-12-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 大電カミリ波のコルゲート導波管内伝搬モードのin situ分析に関する研究2008

    • Author(s)
      下妻隆
    • Organizer
      プラズマ・核融合学会第25会年会
    • Place of Presentation
      栃木県宇都宮市(日本)
    • Year and Date
      2008-12-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] Propagating Mode Analysis and Field Reconstruction in the Corrugated Waveguides of a High Power Electron Cyclotron Heating System2008

    • Author(s)
      下妻 隆,他
    • Organizer
      第33 回赤外、ミリ波、テラヘルツ波に関する国際会議
    • Place of Presentation
      パサデナ,ロサンゼルス(米国)
    • Year and Date
      2008-09-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Propagating Mode Analysis and Field Reconstruction in the Corrugated Waveguides of a High Power Electron Cyclotron Heating System2008

    • Author(s)
      下妻隆
    • Organizer
      第33回赤外、ミリ波、テラヘルツ波に関する国際会議
    • Place of Presentation
      パサデナ, ロサンゼルス(米国)
    • Year and Date
      2008-09-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] Recent Studies Toward Improvement of Total ECH Efficiency in LHD2008

    • Author(s)
      下妻 隆、他
    • Organizer
      Workshop on RF Heating Technology of Fusion Plasmas 2008
    • Place of Presentation
      サンディエゴ(米国)
    • Year and Date
      2008-09-11
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Handling Technology of Mega-Watt Millimeter-wave for Optimized Heating of Fusion Plasmas2008

    • Author(s)
      下妻 隆,他
    • Organizer
      マイクロ波エネルギー応用に関する全体会議 MAJIC1
    • Place of Presentation
      大津(日本)
    • Year and Date
      2008-08-08
    • Related Report
      2008 Final Research Report
  • [Presentation] Handling Technology of Mega-Watt Millimeter-wave for Optimized Heating of Fusion Plasmas2008

    • Author(s)
      下妻隆
    • Organizer
      マイクロ波エネルギー応用に関する全体会議MAJIC1
    • Place of Presentation
      大津(日本)
    • Year and Date
      2008-08-08
    • Related Report
      2008 Annual Research Report
  • [Presentation] 入射偏波のフィードバック制御によるECH吸収効率最適化法の検討2008

    • Author(s)
      下妻 隆、他
    • Organizer
      第7 回核融合エネルギー連合講演会, 19C14
    • Place of Presentation
      青森市(日本)
    • Year and Date
      2008-06-19
    • Related Report
      2008 Final Research Report
  • [Presentation] コルゲート導波管内伝搬モード分析による大電力ミリ波長距離伝送の効率改善2007

    • Author(s)
      下妻 隆、他
    • Organizer
      プラズマ・核融合学会 第24 回年会
    • Place of Presentation
      兵庫県姫路市イーグレ姫路
    • Year and Date
      2007-11-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 放射電界を用いた円形コルゲート導波管伝播モードの解析2007

    • Author(s)
      出射 浩、他
    • Organizer
      プラズマ・核融合学会 第24 回年会
    • Place of Presentation
      兵庫県姫路市イーグレ姫路
    • Year and Date
      2007-11-30
    • Related Report
      2008 Final Research Report
  • [Presentation] コルゲート導波管内伝搬モード分析による大電力ミリ波長距離伝送の効率改善2007

    • Author(s)
      下妻 隆、出射 浩, 他
    • Organizer
      プラズマ・核融合学会第24回年会
    • Place of Presentation
      兵庫県姫路市イーグレ姫路
    • Year and Date
      2007-11-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] 放射電界を用いた円形コルゲート導波管伝播モードの解析2007

    • Author(s)
      出射 浩、下妻 隆, 他
    • Organizer
      プラズマ・核融合学会第24回年会
    • Place of Presentation
      兵庫県姫路市イーグレ姫路
    • Year and Date
      2007-11-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] Mode retrieval in a circular corrugated waveguide using Radiated Field2007

    • Author(s)
      出射 浩、他
    • Organizer
      第32回赤外・ミリ波に関する国際会議
    • Place of Presentation
      カーディフ イギリス
    • Year and Date
      2007-09-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Mode retrieval in a circular corrugated waveguide using Radiated Field2007

    • Author(s)
      出射 浩、下妻 隆, 他
    • Organizer
      第32回赤外・ミリ波に関する国際会議
    • Place of Presentation
      カーディフ、イギリス
    • Year and Date
      2007-09-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Experimental Conditions of ECRH and Magnetic Configuration for Efficient Electron Heating in Large Helical Device2007

    • Author(s)
      下妻 隆、他
    • Organizer
      第34 回プラズマ物理に関するヨーロッパ物理学会
    • Place of Presentation
      ワルシャワ ポーランド
    • Year and Date
      2007-07-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Experimental Conditions of ECRH and Magnetic Configuration for Efficient Electron Heating in Large Helical Device2007

    • Author(s)
      下妻 隆、久保 伸, 他
    • Organizer
      第34回プラズマ物理に関するヨーロッパ物理学会
    • Place of Presentation
      ワルシャワ、ポーランド
    • Year and Date
      2007-07-06
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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