Application of spherically bent crystal to X-ray backlight imaging experiment

LIU Li-feng; XIAO SHa-li; WU Yu-fen; QIAN Jia-yu; WEI Min-xi; CHEN Bo-lun

doi:10.3788/OPE.20111909.2023

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Application of spherically bent crystal to X-ray backlight imaging experiment

Article | 更新时间：2020-08-12

- Application of spherically bent crystal to X-ray backlight imaging experiment
- Optics and Precision Engineering Vol. 19, Issue 9, Pages: 2023-2028(2011)
- 作者机构：
  
  1. 中国工程物理研究院激光聚变研究中心,四川绵阳,621900
  2. 重庆大学光电技术及系统教育部重点实验室重庆,400030
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20111909.2023
  CLC： TL65;O434.13
- Received：31 January 2011，
  
  Revised：08 March 2011，
  
  Published Online：26 September 2011，
  
  Published：26 September 2011
- 稿件说明：
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刘利锋, 肖沙里, 毋玉芬, 钱家渝, 韦敏习, 陈伯伦. 球面弯曲晶体在X射线背光成像的应用[J]. 光学精密工程, 2011,19(9): 2023-2028

LIU Li-feng, XIAO SHa-li, WU Yu-fen, QIAN Jia-yu, WEI Min-xi, CHEN Bo-lun. Application of spherically bent crystal to X-ray backlight imaging experiment[J]. Editorial Office of Optics and Precision Engineering, 2011,19(9): 2023-2028
刘利锋, 肖沙里, 毋玉芬, 钱家渝, 韦敏习, 陈伯伦. 球面弯曲晶体在X射线背光成像的应用[J]. 光学精密工程, 2011,19(9): 2023-2028 DOI： 10.3788/OPE.20111909.2023.

LIU Li-feng, XIAO SHa-li, WU Yu-fen, QIAN Jia-yu, WEI Min-xi, CHEN Bo-lun. Application of spherically bent crystal to X-ray backlight imaging experiment[J]. Editorial Office of Optics and Precision Engineering, 2011,19(9): 2023-2028 DOI： 10.3788/OPE.20111909.2023.

摘要

基于X射线布喇格衍射理论

研制了球面弯曲晶体分析器

用于研究和诊断惯性约束聚变的聚爆靶等离子体的形状、分布及稳定性。分析器的核心器件是石英球面弯晶

弯曲晶体半径为143.3 mm。首次利用石英球面弯曲晶体进行了单色X射线背光成像实验。采用接收面积为40 mm30 mm的磷屏成像板作为接收装置

得到了清晰的铬靶单色X射线二维背光聚焦成像。对所得实验弧矢方向区域谱线的分析显示

石英球面弯曲晶体得到的X射线背光成像的空间分辨率约为83.3 m。实验结果表明该球面弯曲晶体适合于X射线的背光诊断研究。

Abstract

A novel spherically bent crystal analyzer was developed based on the X-ray Bragg diffraction theory to study and diagnose the distribution

stability and the shape of a plasma of pellet implosion in the Inertial Confinement Fusion (ICF). The key component of the crystal analyzer is a spherically bent -quartz crystal with a radius of 143.3 mm. The spherically bent -quartz crystal was used to carried out a monochromatic X-ray backlighting imaging experiment in the Research Center of Laser Fusion

China Academy of Engineering Physics(CAEP). The clear two-dimensional monochrome X-ray backlighting image of a chrome target was obtained on an imaging plane of 40 mm30 mm. By analyzing the spectral information of a sagittal direction in the experiment

it is demonstrated that the spherically bent -quartz crystal shows his spatial resolution to be 83.3 m and it could be used for research of the monochromatic X-ray backlighting imaging.

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Keywords

references

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