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The Electron Temperature Estimation Using Soft X-Ray Imaging in HT-7 Tokamak

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【作者】 甄香君； 胡立群； 万宝年； 陈忠勇； 石跃江； 林士耀； 丁永华； 周立武；

【Author】 ZHEN Xiangjun( ), HU Liqun ( ), WAN Baonian ( ) CHEN Zhongyong ( SHI Yuejiang( ), LIN Shiyao DING Yonghua ( , ZHOU Liwu ( , HT-7 Team Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China

【机构】 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China；

【摘要】 <正> In order to estimate the electron temperature soft x-ray imaging diagnostics using a double filter technique has been developed in the HT-7 tokamak. The chosen thicknesses of the Be foil are 12.5 μm and 70 μm, respectively. In this article both the main design of the diagnostic configuration and the method to estimate the electron temperature are presented. The results agree with those estimated from the soft x-ray pulse height analyzer (PHA). The main causes of systematic error have also been investigated.

【Abstract】 In order to estimate the electron temperature soft x-ray imaging diagnostics using a double filter technique has been developed in the HT-7 tokamak. The chosen thicknesses of the Be foil are 12.5 μm and 70 μm, respectively. In this article both the main design of the diagnostic configuration and the method to estimate the electron temperature are presented. The results agree with those estimated from the soft x-ray pulse height analyzer (PHA). The main causes of systematic error have also been investigated.

【关键词】 different foils technique； soft x-ray； electron temperature； tokamak plasma；
【Key words】 different foils technique； soft x-ray； electron temperature； tokamak plasma；
【基金】 supported by National Natural Science Foundation of China (Nos. 10375070, 10305012)
  • 【文献出处】 Plasma Science and Technology ,等离子体科学和技术(英文版) , 编辑部邮箱 ,2006年02期
  • 【分类号】O53
  • 【被引频次】2
  • 【下载频次】9
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