Experiments and simulation of X-ray optical Wolter-I focusing mirror

Zi-jian ZHAO; Yu-sa WANG; Liu-yang ZHANG; Can CHEN; Jia MA

doi:10.3788/OPE.20192711.2330

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Experiments and simulation of X-ray optical Wolter-I focusing mirror

Modern Applied Optics | 更新时间：2020-08-13

- Experiments and simulation of X-ray optical Wolter-I focusing mirror
- Optics and Precision Engineering Vol. 27, Issue 11, Pages: 2330-2336(2019)
- 作者机构：
  
  1.哈尔滨理工大学理学院黑龙江省量子调控重点实验室，黑龙江哈尔滨 150080
  2.中国科学院高能物理研究所中国科学院粒子天体物理重点实验室，北京 100049
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20192711.2330
  CLC： TP172.2;O434.19
- Received：27 June 2019，
  
  Accepted：15 July 2019，
  
  Published：15 November 2019
- 稿件说明：
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Zi-jian ZHAO, Yu-sa WANG, Liu-yang ZHANG, et al. Experiments and simulation of X-ray optical Wolter-I focusing mirror[J]. Optics and precision engineering, 2019, 27(11): 2330-2336.
DOI：

Zi-jian ZHAO, Yu-sa WANG, Liu-yang ZHANG, et al. Experiments and simulation of X-ray optical Wolter-I focusing mirror[J]. Optics and precision engineering, 2019, 27(11): 2330-2336. DOI： 10.3788/OPE.20192711.2330.

摘要

为了深入研究Wolter-I型X射线聚焦镜片的光学性能，掌握聚焦镜的对准和测试方法，研究单层Wolter-I型X射线聚焦镜片性能。在中国科学院高能物理研究所(IHEP)百米真空X射线标定装置中对单层聚焦镜镜片的离焦、聚焦和离轴工况进行了实验测试。分析了焦距、焦斑分布、角分辨(50%能量所占区域HEW为17″和90%能量所占区域W90为44″)等光学性能参数。将得到的结果与德国马克斯普朗克地外物理研究所(MPE)PANTER X射线标定装置的实验数据对比，性能参数基本相同，得到的W90甚至优于MPE。实验结果验证了仿真计算结果，为进一步开展像质研究提供了依据。通过实验掌握了聚焦镜的对准和测试方法，未来该方法在X射线天文卫星载荷标定测试中将发挥巨大作用。

Abstract

In order to investigate the optical performance of the Wolter-I X-ray mirror shell and to grasp the focusing and testing methods of focusing mirror

the performance of single-layer Wolter-I X-ray focusing mirror was studied. The defocusing

focusing

and off-axis conditions of single-layer focusing lens were experimentally tested in the 100-m vacuum X-ray calibration facility at the Institute of High Energy Physics

Chinese Academy of Sciences. Optical performance parameters such as focal length

focal spot distribution

angular resolution (half energy area is 17″HEW on-axis and 90% energy area is 44″W90 on-axis) were analyzed and calculated. Compared with the data of MPE

the performance parameters are basically the same

and the W90 is better than that of MPE. The experimental results agreed with the simulation results

which provides a basis for further research on image quality. Through experiments

the alignment and testing methods of focusing mirrors are mastered

which will play an important role in the load calibration testing of X-ray astronomical satellites in the future.

关键词

Keywords

references

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