氟化镁窗口氘灯的真空辐射衰减特性

张振铎; 王淑荣; 李福田

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氟化镁窗口氘灯的真空辐射衰减特性

现代应用光学 | 更新时间：2020-08-12

- 氟化镁窗口氘灯的真空辐射衰减特性
- Radiation degradation characteristics of deuterium lamp with MgF₂ window in vacuum environment
- 光学精密工程 2009年17卷第3期页码：482-487
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
  
  中国科学院长春光学精密机械与物理研究所三期创新工程资助项目(065X32CN60)
- DOI：
  中图分类号： O536;TP732
- 收稿日期：2008-03-25，
  
  修回日期：2008-06-26，
  
  网络出版日期：2009-03-25，
  
  纸质出版日期：2009-03-25
- 稿件说明：
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张振铎, 王淑荣, 李福田. 氟化镁窗口氘灯的真空辐射衰减特性[J]. 光学精密工程, 2009,17(3): 482-487

ZHANG Zhen-duo, WANG Shu-rong, LI Fu-tian. Radiation degradation characteristics of deuterium lamp with MgF<sub>2</sub> window in vacuum environment[J]. Editorial Office of Optics and Precision Engineering, 2009,17(3): 482-487
张振铎, 王淑荣, 李福田. 氟化镁窗口氘灯的真空辐射衰减特性[J]. 光学精密工程, 2009,17(3): 482-487 DOI：

ZHANG Zhen-duo, WANG Shu-rong, LI Fu-tian. Radiation degradation characteristics of deuterium lamp with MgF<sub>2</sub> window in vacuum environment[J]. Editorial Office of Optics and Precision Engineering, 2009,17(3): 482-487 DOI：

摘要

针对真空环境下使用氟化镁窗口氘灯时

氘灯表面易受污染

导致氘灯的紫外-真空紫外辐射强度逐渐衰减的问题

对紫外-真空紫外波段辐射传递标准光源氘灯的真空辐射衰减机理进行了分析。在此基础上

研制了液氮制冷屏装置来抑制氘灯衰减。建立了氘灯真空辐射特性测试系统

利用该系统对液氮制冷屏装置的有效性进行了考察。测试结果显示

在160~300 nm波段

氘灯平均衰减率可由原来的7%/h下降为1%/h

表明液氮制冷屏装置能有效地抑制氟化镁窗口氘灯在真空环境下的辐射衰减。

Abstract

When a deuterium lamp with MgF

window is used as the UV-VUV radiation transfer standard source

the radiation intensity will be gradually degraduted by the window surface pollution of deuterium lamp in vacuum environment.This paper analyzes the vacuum radiation degradation mechanism of the deuterium lamp with MgF

window. Based on this

a liquid nitrogen cooled screen device is developed to control the radiation degradation of deuterium lamp. Then

an equipment for studying the radiation characteristics of deuterium lamp in vacuum environment is established to analyze the effectiveness of the liquid nitrogen cooled screen device. The experimental results show that the average degradation rate of deuterium lamp decreases from 7%/h to 1%/h in 160~300 nm

which shows that developed liquid nitrogen cooled screen device can very effectively control the radiation degradation of deuterium lamp with MgF

window in vacuum environment.

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references

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用150 W氘灯标定200~300 nm光谱辐照度

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