同步辐射X射线双晶单色器联动机构

董晓浩; 凤良杰; 康 乐; 徐朝银

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同步辐射X射线双晶单色器联动机构

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- 同步辐射X射线双晶单色器联动机构
- A mechanical linkage of double crystal X-ray monochromator for synchrotron radiation
- 光学精密工程 2007年15卷第2期页码：224-229
- 作者机构：
  
  中国科学技术大学国家同步辐射实验室,安徽合肥,230029
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TL544;TH744.1
- 收稿日期：2006-01-12，
  
  修回日期：2006-10-15，
  
  网络出版日期：2007-02-20，
  
  纸质出版日期：2007-02-20
- 稿件说明：
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董晓浩, 凤良杰, 康乐, 等. 同步辐射X射线双晶单色器联动机构[J]. 光学精密工程, 2007,15(2):224-229.

DONG Xiao-hao, FENG Liang-jie, KANG Le, et al. A mechanical linkage of double crystal X-ray monochromator for synchrotron radiation[J]. Optics and precision engineering, 2007, 15(2): 224-229.
董晓浩, 凤良杰, 康乐, 等. 同步辐射X射线双晶单色器联动机构[J]. 光学精密工程, 2007,15(2):224-229. DOI：

DONG Xiao-hao, FENG Liang-jie, KANG Le, et al. A mechanical linkage of double crystal X-ray monochromator for synchrotron radiation[J]. Optics and precision engineering, 2007, 15(2): 224-229. DOI：

摘要

提出了一种实现固定空间输出位置同步辐射双晶单色器的方法及联动机构。分析了基于Bragg衍射原理的此类X射线双晶单色器发展状况

尤其是在能量扫描过程中

通过运动补偿实现出射光束方向与位置固定的方法

总结了各种机械联动机构。在综合凸轮耦合运动机构及直角联动机构运动特点基础上

详细描述了国家同步辐射实验室成功研制的X射线双晶单色器L型联动机构特征

其融合了二者的优点

简化了结构与运动

重点分析了其结构原理与运动关系

以及机构运动的实现与第二晶体自身微调

并对其性能做了进一步的讨论。测试结果表明

L型联动机构完全适用于实现3.1~12.4 keV整个能量范围的全谱扫描实验研究。

Abstract

A novel mechanism for the fixed-exit double crystal monochromator of Bragg-Bragg diffraction case used widely in synchrotron radiation was presented. The development of double crystal monochromator for synchrotron radiation X-ray was reviewed briefly

especially of the fixed-exit mode. Several kinds of implementation approaches for the energy scanning of the photons were summarized by analyzing the common mechanical linkage schemes. Based on the principle of mechanism with rotation plate coupling motions on fixed cams as well as right-angle linkage device

the L-shaped mechanical linkage used in successfully the double crystal monochromator of X-ray beamlines at National Synchrotron Radiation Laboratory (NSRL) was introduced in detail. It adopted the advantages of the above right-angle and motion coupling mechanism to operate the mechanical linkage in simple configurations and motions. Motion mechanism and position adjustment of the crystals

mechanical design of the related structure

and the incoming improvement were discussed

It is indicated that the mechanical linkage is suit for the experimental researches at 3.1~12.4 keV by off-line testing of the mechanism and on-line measurement of the monochromators.

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Keywords

references

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