小型气体电离室的设计和测试研究

周洪军; 王秋平; 郑津津; 张国斌; 霍同林; 戚则明; 刘付轶; 崔明启; 赵屹东; 郑 雷

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小型气体电离室的设计和测试研究

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- 小型气体电离室的设计和测试研究
- Design and measurement of a portable ionization chamber
- 光学精密工程 2006年14卷第3期页码：351-355
- 作者机构：
  
  1. 中国科学技术大学国家同步辐射实验室, 安徽合肥 230029
  2. 高能物理研究所, 北京 100049
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O461.1
- 收稿日期：2005-11-22，
  
  修回日期：2006-04-18，
  
  网络出版日期：2006-06-30，
  
  纸质出版日期：2006-06-30
- 稿件说明：
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周洪军, 王秋平, 郑津津, 等. 小型气体电离室的设计和测试研究[J]. 光学精密工程, 2006,14(3):351-355.

ZHOU Hong-jun, WANG Qiu-ping, ZHENG Jin-jin, et al. Design and measurement of a portable ionization chamber[J]. Optics and precision engineering, 2006, 14(3): 351-355.
周洪军, 王秋平, 郑津津, 等. 小型气体电离室的设计和测试研究[J]. 光学精密工程, 2006,14(3):351-355. DOI：

ZHOU Hong-jun, WANG Qiu-ping, ZHENG Jin-jin, et al. Design and measurement of a portable ionization chamber[J]. Optics and precision engineering, 2006, 14(3): 351-355. DOI：

摘要

设计并给出了用于同步辐射光束线波长标定和分辨本领测量的小型气体电离室。研究了厚度约为1 μm的聚丙烯膜窗和厚度为0.1 μm的Si

膜窗的真空隔离性能和透光性能

给出了实验数据。实验结果显示:两种膜窗均能承受100 Pa的压力

聚丙烯窗在5 nm波长的透过率约为80％

窗在7 nm波长的透过率为15％。此外

给出了用该电离室调试表面物理和磁性圆二色两条光束线的气体谱线。结果表明

该可移动小型气体电离室的性能达到了设计和使用要求。

Abstract

A portable ionization chamber mainly used to calibrate the wavelengths and investigate the resolutions power of beam lines was designed and developed in this paper.the vacuum and optical properties of 1 μm thick C

and 0.1 μm thick Si

windows were researched

the experiment data show that transmission rate of C

is about 80% at 5 nm and Si

filter is 15% at 7 nm

both of them can support 100 Pa pressure. The curves measured in physical surface beamline and MCD beamline were also given. It concludes that the performance of this portable ionization chamber meets the design demand of user.

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Keywords

references

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