Tunability of optical parameters of width-variable bent elliptical microfocus mirror

MAO Chengwen1; 2 YU Xiaohan1 XIAO Tiqiao1 1

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Tunability of optical parameters of width-variable bent elliptical microfocus mirror

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- Tunability of optical parameters of width-variable bent elliptical microfocus mirror
- NUCLEAR TECHNIQUES Vol. 32, Issue 5, (2009)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所
  2. 中国科学院研究生院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL503
- Published：01 May 2009
- 稿件说明：
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[1]毛成文,余笑寒,肖体乔.变宽度压弯椭圆柱面聚焦镜的光学参数可调性[J].核技术,2009,32(05):333-336.

MAO Chengwen1, 2 YU Xiaohan1 XIAO Tiqiao1 1. Tunability of optical parameters of width-variable bent elliptical microfocus mirror[J]. Nuclear techniques, 2009, 32(5): 333-336.
[1]毛成文,余笑寒,肖体乔.变宽度压弯椭圆柱面聚焦镜的光学参数可调性[J].核技术,2009,32(05):333-336. DOI：

MAO Chengwen1, 2 YU Xiaohan1 XIAO Tiqiao1 1. Tunability of optical parameters of width-variable bent elliptical microfocus mirror[J]. Nuclear techniques, 2009, 32(5): 333-336. DOI：

摘要

由变宽度压弯椭圆柱面微聚焦镜理论

推导了聚焦镜光学参数（源距、像距和掠入射角）偏离设计值时所需的压弯力矩和镜面剩余斜率误差的计算公式。对上海光源硬X射线微聚焦光束线微聚焦镜进行了计算

结果表明

改变压弯力矩

微聚焦镜的源距和掠入射角可以在较大范围内调节

而较小范围的像距调节会产生较大的剩余斜率误差。

Abstract

Bent elliptical mirrors are often used as X-ray microfocus device in synchrotron radiation beamlines.In this paper

the theory of width-variable bent elliptical microfocus mirror was reviewed.The formula for calculating the required bending moments and residual slope error when the working condition(source distance

grazing incident angle and image distance) of the mirror differed from the designed values was deduced.The microfocus mirror of the SSRF X-ray microfocus beamline was calculated as an example.The results show that

by adjusting the bending moments

a large range of the grazing incident angles and source-to-mirror distances can be of choice

and the resulted additional slope error can be negligible.However

a relatively small change of image distance will result in large slope error.

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Related Author

CHEN Rongchang1

2 DU Guohao1 XIE Honglan1 DENG Biao1 ZHU Peiping3 TONG Yajun1 HU Wen1 XUE Yanling1 CHEN Can1 REN Yuqi1 ZHOU Guangzhao1 WANG Yudan1 XIAO Tiqiao1 XU Hongjie1 1

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Related Institution

中国科学院上海应用物理研究所

Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China) 2

中国科学院高能物理研究所

National Synchrotron Radiation Laboratory, University of Science and Technology of China

中国科学技术大学国家同步辐射实验室

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