Monochromator cooling bender in synchrotron radiation

LIU Hui; GAO Xue-guan

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Monochromator cooling bender in synchrotron radiation

更新时间：2020-08-12

- Monochromator cooling bender in synchrotron radiation
- Optics and Precision Engineering Vol. 12, Issue 6, Pages: 608-613(2004)
- 作者机构：
  
  1. 上海师范大学, 机械与电子信息工程学院上海,201418
  2. 上海交通大学, 机械与动力工程学院上海,200030
- 作者简介：
- 基金信息：
- DOI：
  CLC： O432.1
- Received：22 April 2004，
  
  Revised：09 November 2004，
  
  Published Online：15 December 2004，
  
  Published：15 December 2004
- 稿件说明：
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柳晖, 高雪官. 同步辐射单色器冷却压弯机构[J]. 光学精密工程, 2004,(6): 608-613

LIU Hui, GAO Xue-guan. Monochromator cooling bender in synchrotron radiation[J]. Editorial Office of Optics and Precision Engineering, 2004,(6): 608-613
柳晖, 高雪官. 同步辐射单色器冷却压弯机构[J]. 光学精密工程, 2004,(6): 608-613 DOI：

LIU Hui, GAO Xue-guan. Monochromator cooling bender in synchrotron radiation[J]. Editorial Office of Optics and Precision Engineering, 2004,(6): 608-613 DOI：

摘要

研究了带有柔性铰链组合体的冷却压弯机构

以用于减少晶体的热变形.给出了晶体热变形的种类及其机理

以及冷却压弯机构的受力分析及机构结构.运用有限元方法对这种机构进行了分析.结果表明:此种机构大大降低了第一晶体的热变形

在承受5N/mm

峰值功率密度条件下

面型误差仅为0.04μrad 3μrad

远远小于同步辐射光束线设计要求.结果还表明:此种机构尤其适用于高热载情况

是解决第三代同步辐射光源关键技术.

Abstract

The cooling bender with a flexural hinge-based framework is researched to reduce the crystal thermal distortion. The types and their principles of the crystal thermal distortion are introduced

and the mechanical forces and cooling bender structure are analyzed with the finite element method. The results show that the bender can greatly cut down the thermal distortion of the first crystal

the crystal surface error is only 0.04 μrad3 μrad at the peak power density of 5 N/mm

which is much lower than the design requirement to the beam line in synchrotron radiation. Such kind of bender especially fits in high-heat load

and it is one of the key techniques to solve the problems in developing the third generation of synchrotron radiation light source.

关键词

Keywords

references

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Related Institution

上海交通大学, 机械与动力工程学院

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Department of Precision Mechanical Engineering, Shanghai University

University of Chinese Academy of Sciences

Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences

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