Slope errors of water cooling crystal surface for a double-crystal monochromator

ZHOU Sizhong1 QU Weide1; 2 DENG Xiaoguo1; 2 XIA Shaojian3 JIANG Bo1 YANG Xiaoxu1 1

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Slope errors of water cooling crystal surface for a double-crystal monochromator

更新时间：2021-03-12

- Slope errors of water cooling crystal surface for a double-crystal monochromator
- NUCLEAR TECHNIQUES Vol. 31, Issue 8, (2008)
- 作者机构：
  
  1. 中国科学院西安光学精密机械研究所
  2. 中国科学院研究生院
  3. 中国科学院上海应用物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH744
- Published：01 August 2008
- 稿件说明：
移动端阅览
[1]周泗忠,屈卫德,邓小国,夏绍建,江波,杨晓许.单色器水冷晶体面形误差的研究[J].核技术,2008,31(08):565-570.

ZHOU Sizhong1 QU Weide1, 2 DENG Xiaoguo1, 2 XIA Shaojian3 JIANG Bo1 YANG Xiaoxu1 1. Slope errors of water cooling crystal surface for a double-crystal monochromator[J]. Nuclear techniques, 2008, 31(8): 565-570.
[1]周泗忠,屈卫德,邓小国,夏绍建,江波,杨晓许.单色器水冷晶体面形误差的研究[J].核技术,2008,31(08):565-570. DOI：

ZHOU Sizhong1 QU Weide1, 2 DENG Xiaoguo1, 2 XIA Shaojian3 JIANG Bo1 YANG Xiaoxu1 1. Slope errors of water cooling crystal surface for a double-crystal monochromator[J]. Nuclear techniques, 2008, 31(8): 565-570. DOI：

摘要

针对第三代同步辐射装置光束线中的双晶单色器

分析了引起直接水冷却晶体面变形的原因

提出直接水冷却异型晶体结构

并用有限元方法进行数值模拟分析

得到晶体面形误差

并提出优化面形精度的方法。结果表明

在热负载、装夹力、真空负压和水流压力下

水冷却异型晶体在热源辐照区弧矢向和子午向平均面形误差RMS值分别达到1″和0.6″。

Abstract

For the third synchrotron radiation facility

four reasons resulting in diffraction crystal distortion of double-crystal monochromator

and deficiency of traditional water cooling crystal are analyzed

and irregular structure of water cooling crystal is proposed. Slope error of crystal have achieved by numerical simulation analysis of finite element method. The result indicates that slope error of crystal surface in sagital and meridian is 1″and 0.6″.

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