Multispectral X-ray imaging with a multichannel Kirkpatrick-Baez microscope for imploded core temperature observation

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• 作者：Wei Wang (1)
  Zhi-Heng Fang (1)
  Guo Jia (1)
  Sheng-Zhen Yi (2)
  Yu-Chun Tu (2)
  Jing-Tao Zhu (2)
  Bao-Zhong Mu (2)
  Hong-Hai An (1)
  Rui-Rong Wang (1)
  Zhi-Yong Xie (1)
  Jun-Jian Ye (1)
  Xiang-Fu Meng (1)
  Hua-Zhen Zhou (1)
  Chen Wang (1)
  An-Le Lei (1)
  Zhan-Shan Wang (2)
  Si-Zu Fu (1)
  
• 关键词：Plasma Physics
• 刊名：The European Physical Journal D - Atomic, Molecular and Optical Physics
• 出版年：2014
• 出版时间：May 2014
• 年：2014
• 卷：68
• 期：5
• 全文大小：
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• 作者单位：Wei Wang (1)
  Zhi-Heng Fang (1)
  Guo Jia (1)
  Sheng-Zhen Yi (2)
  Yu-Chun Tu (2)
  Jing-Tao Zhu (2)
  Bao-Zhong Mu (2)
  Hong-Hai An (1)
  Rui-Rong Wang (1)
  Zhi-Yong Xie (1)
  Jun-Jian Ye (1)
  Xiang-Fu Meng (1)
  Hua-Zhen Zhou (1)
  Chen Wang (1)
  An-Le Lei (1)
  Zhan-Shan Wang (2)
  Si-Zu Fu (1)
  
  1. Shanghai Institute of Laser Plasma, 1129 Chenjiashan Road, Shanghai, 201899, P.R. China
  2. Key Laboratory of Advanced Micro-structured Materials, Tongji University, Shanghai, 200092, P.R. China
  
• ISSN：1434-6079

文摘

The coupling efficiency of short-pulse ignition laser energy to hot-spot internal energy directly affects the feasibility of fast ignition. Experimental characterization of the hot spot has attracted much attention. Among temperature, density and neutron yield of fast ignition experiments, the temperature of the hot spot has few available diagnostic methods. Multispectral X-ray imaging of hot-spot continuum emission is expected to give the time evolution of the electron temperature distribution. This article describes electron temperature determination from multispectral imaging, a dual-channel X-ray Kirkpatrick-Baez?(KB) microscope designed for two-spectral imaging, and the experimental results of hot-core multispectral imaging of an imploded cone-shell target at the SG-II laser facility.