Development of Absolute Density Calibration for Thomson Scattering measurement by Micro Wave Reflectmetry

• Project/Area Number: 19560830
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Nuclear fusion studies
• Research Institution: National Institute for Fusion Science
• Principal Investigator: TAKASHI Minami National Institute for Fusion Science, 大型ヘリカル研究部, 助教授 (40260046)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000); Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2007: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
• Keywords: トムソン散乱計測装置 / 絶対密度較正 / マイクロ波反射計 / ベイズ推定法 / FM型反射計計測 / プラズマ閉じ込め、安定性 / トムソン散乱計測

Research Abstract

トムソン散乱計測法は核融合のための高温プラズマの基本的な計測である。この計測はプラズマの物理的特性を特徴付ける基本的なパラメータ、電子温度と電子密度のプラズマ内部の分布を計測できるという点で重要である。本研究は、このトムソン散乱計測のために必用や密度較正のために従来とは異なるマイクロ波反射計を用いた方法を開発した。この方法はプラズマ実験を行いながら同時に較正できると言う利点がある。同時にベイズ推定法を用いた解析法の開発も行った。

Research Products

• [Journal Article] Proposal of in situ density calibration for Thomson scattering measurement by microwave reflectometry (2008)
  • Author(s): Takashi Minami, et.al.
  • Journal Title: Review of science instruments 79
  • Peer Reviewed
• [Journal Article] Characteristics of high density edge transport barrier with reheat mode on CHS (2008)
  • Author(s): Takashi Minami, et.al.
  • Journal Title: Journal of Physics: Conference Series 123
  • Peer Reviewed
• [Journal Article] Proposal of in situ density calibration for Thomson scattering measurement by microwave reflectometry (2008)
  • Author(s): Takashi Minami
  • Journal Title: Review of science instruments 79
  • Peer Reviewed
• [Journal Article] Characteristics of high density edge transport barrier with reheat mode on CHS (2008)
  • Author(s): Takashi Minami
  • Journal Title: Journal of Physics : Conference Series 123
  • Peer Reviewed
• [Presentation] Development of in-situ Density Calibration for Thomson Scattering Measurement by Microwave Reflectometry on LHD (2008)
  • Author(s): Takashi Minami
  • Organizer: 18th International Toki Conference
  • Place of Presentation: 土岐市(岐阜)
  • Year and Date: 2008-12-04
• [Presentation] Thomson 散乱計測の密度較正のための反射計計測 (2008)
  • Author(s): 南 貴司
  • Organizer: 第23 回プラズマ核融合学会年会
  • Place of Presentation: 宇都宮(栃木)
  • Year and Date: 2008-12-04
• [Presentation] Thomson散乱計測の密度較正のための反射計計測 (2008)
  • Author(s): 南貴司
  • Organizer: 第23回プラズマ核融合学会年会
  • Place of Presentation: 宇都宮(栃木)
  • Year and Date: 2008-12-04
• [Presentation] Simultaneous Realization of High Density Edge Transport Barrier and Improved L-mode on CHS (2008)
  • Author(s): Takashi Minami
  • Organizer: 22nd IAEA Fusion Energy Conference
  • Place of Presentation: ジュネーブ(スイス)
  • Year and Date: 2008-10-14
• [Presentation] Proposal of in situ density calibration for Thomson scattering measurement by microwave reflectometry (2008)
  • Author(s): Takashi Minami
  • Organizer: 17th International High Temperature Plasma Diagnostics Conference
  • Place of Presentation: アルバカーキ(アメリカ)
  • Year and Date: 2008-05-14
• [Presentation] Thomson 散乱計測装置によるプラズマ密度計測のための反射計を用いた絶対較正方法の提案 (2008)
  • Author(s): 南 貴司
  • Organizer: 第63回日本物理学会
  • Place of Presentation: 近畿大学(大阪)
  • Year and Date: 2008-03-26
• [Presentation] Thomson散乱計測装置によるプラズマ密度計測のための反射計を用いた絶対較正方法の提案 (2008)
  • Author(s): 南 貴司
  • Organizer: 第63回日本物理学会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-26
• [Presentation] Power Threshold for L-H Transition of High Density Edge Transport Barrier with Reheat Mode on CHS (2007)
  • Author(s): 南 貴司
  • Organizer: 11th IAEA Technical Meeting on H-mode Physics and Transport Barriers
  • Place of Presentation: つくば国際会議場(茨城)
  • Year and Date: 2007-09-26
• [Presentation] Power Threshold for L-H Transition of High Density Edge Transport Barrier with Reheat Mode on CHS (2007)
  • Author(s): 南 貴司
  • Organizer: 11th IAEA Technical Meeting on H-mode Physics and Transport Barriers
  • Place of Presentation: つくば国際会議場
  • Year and Date: 2007-09-26
• [Presentation] Proposal of in situ Density Calibration for Thomson Scattering Measurement by Microwave Reflectometry (2007)
  • Author(s): 南 貴司
  • Organizer: 13th International symposium on laser-aided plasma diagnostic
  • Place of Presentation: ひだホテルプラザ(岐阜)
  • Year and Date: 2007-09-19
• [Presentation] Proposal of in situ Density Calibration for Thomson Scattering Measurement by Microwave Reflectometry (2007)
  • Author(s): 南 貴司
  • Organizer: 13th International symposium on laser-aded plasma diagnostic
  • Place of Presentation: ひだホテルプラザ
  • Year and Date: 2007-09-19