Structure of water cooling double-crystal monochromator

LIU Hui; GAO Xue-guan

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Structure of water cooling double-crystal monochromator

更新时间：2020-08-12

- Structure of water cooling double-crystal monochromator
- Optics and Precision Engineering Vol. 12, Issue 2, Pages: 156-160(2004)
- 作者机构：
  
  1. 上海师范大学, 机电学院, 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： TH744
- Received：14 November 2003，
  
  Revised：27 January 2004，
  
  Published Online：15 April 2004，
  
  Published：15 April 2004
- 稿件说明：
移动端阅览
柳晖, 高雪官. 水冷双晶单色器结构的研究[J]. 光学精密工程, 2004,(2): 156-160

LIU Hui, GAO Xue-guan. Structure of water cooling double-crystal monochromator[J]. Editorial Office of Optics and Precision Engineering, 2004,(2): 156-160
柳晖, 高雪官. 水冷双晶单色器结构的研究[J]. 光学精密工程, 2004,(2): 156-160 DOI：

LIU Hui, GAO Xue-guan. Structure of water cooling double-crystal monochromator[J]. Editorial Office of Optics and Precision Engineering, 2004,(2): 156-160 DOI：

摘要

介绍了同步辐射双晶单色器第1晶体热负载的情况

分析了热变形的原因

尝试了用光学追迹的SHADOW软件计算同步光在晶面上的能量分布

并用有限元方法模拟分析了底冷式和曲顶槽式两种水冷结构.结果表明

两种水冷却结构均能有效降低晶体表面的温升

减小变形量

其投角的变化小于投角调节精度(1μrad)

其中曲顶槽型结构效果更佳

可用于晶体表面热功率密度约为1.0W/mm

的场合.

Abstract

The thermal load on the first crystal of a synchrotron radiation double-crystal monochromator is discussed

the cause for the thermal distortion is analyzed

and attempts were made to calculate the energy distribution over the first crystal using SHADOW software. Simulation analyses were made using finite element method to analyze two types of water cooling structures. Simulation results indicate that the structure of plot style with curved surface can be used to achieve better results

and it can be applied to a power density of about 1.0 W/mm

关键词

Keywords

references

夏邵建.液氮冷却硅晶体单色器的研究[J] .高能物理与核物理,1997,21(7):664-667.XIA SH J. Research of LN2 cooling Si crystal monochromator[J] . High Energy ＆ Nuclear Physics, 1997,7:664-667.(in Chinese)

JOKSCH S. Heating effects of monochromator crystals at a high-intensity wiggler beam line[J] . Nucl Instrum Methods A, 1990,291(1): 325-331.

VAN DER LAAN G. A chromatic premirror system for a double-crystal monochromator[J] . Nucl Instrum Methods A, 1990, 291(1): 225-227.

LAI B,CERRINA F. SHADOW: A synchroton radiation ray tracing program[J] . Nucl Instrum Methods A, 1986,246(1-3):337-341.

汤琦.弧矢聚焦双晶单色器设计[J] .光学精密工程,2002,10(4):4u-415.TANG Q. Design of a sagittally focusing double-crystal monochromator in synchrotron radiation[J] . Optics and Precision Engineering, 2002, 10(4): 411-415.(in Chinese)

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Related Author

LIU Hui

GAO Xue-guan

Zhong-liang LI

Jun-liang YANG

Ye ZHU

Lian XUE

Li SONG

Jia-hua CHEN

Related Institution

School of Mechanical Engineering, Shanghai Jiao Tong University

School of Mechanical and Electronic Information Engineering, Shanghai Normal University

University of Chinese Academy of Sciences

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

Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai Synchrotron Radiation Facility

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