Measurement errors of ultraviolet photocathode radiant sensitivity

Xiao-feng BAI; Shu-ning YANG; Zhi-peng HOU; Feng SHI; Ying-ping HE; Hong-chang CHENG

doi:10.3788/OPE.20172506.1425

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Measurement errors of ultraviolet photocathode radiant sensitivity

Modern Applied Optics | 更新时间：2020-07-07

- Measurement errors of ultraviolet photocathode radiant sensitivity
- Optics and Precision Engineering Vol. 25, Issue 6, Pages: 1425-1432(2017)
- 作者机构：
  
  微光夜视技术重点实验室中国兵器工业集团第二一一研究所, 陕西西安 710065
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20172506.1425
  CLC： TH23;O434.12
- Received：05 December 2016，
  
  Accepted：16 January 2017，
  
  Published：25 June 2017
- 稿件说明：
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Xiao-feng BAI, Shu-ning YANG, Zhi-peng HOU, et al. Measurement errors of ultraviolet photocathode radiant sensitivity[J]. Optics and precision engineering, 2017, 25(6): 1425-1432.
DOI：

Xiao-feng BAI, Shu-ning YANG, Zhi-peng HOU, et al. Measurement errors of ultraviolet photocathode radiant sensitivity[J]. Optics and precision engineering, 2017, 25(6): 1425-1432. DOI： 10.3788/OPE.20172506.1425.

摘要

光阴极辐射灵敏度是衡量紫外探测器响应能力的一项重要指标，实现其准确测量至关重要。本文建立了某型紫外探测器光阴极辐射灵敏度测量方法，搭建了实用的紫外光阴极辐射灵敏度测量装置，重点分析了利用该装置进行紫外光阴极辐射灵敏度测量时的影响因素，对比了紫外窄带滤光片、光栅单色仪、辐射照度计和辐射功率计等不同组合方式进行光阴极辐射灵敏度测量时的误差情况，得出光栅单色仪配辐射功率计方式在光阴极辐射灵敏度测量时的误差最小，扩展不确定为9%，相比其它三种组合19.4%、19%和11.2%的扩展不确定度具有绝对优势。该研究成果用于辅助国产紫外探测器技术研发，为进一步改进提升其技术性能提供了有效且准确的检测手段。

Abstract

Photocathode radiant sensitivity is an important index to measure response capability of ultraviolet detector

thus its accurate measurement is necessary. Herein

measurement methods of photocathode radiant sensitivity for some type of ultraviolet detector were built

and practical measuring equipment of ultraviolet photocathode radiant sensitivity was constructed. Influencing factors for the measurement of ultraviolet photocathode radiant sensitivity by the equipment were analyzed emphatically. In addition

errors in the measurement of photocathode radiant sensitivity with combinations of UV narrow band filter

optical grating monochromator respectively with radiant illuminometer and radiant power meter were compared

obtaining that the error for measuring photocathode radiant sensitivity by the combination of combined optical grating monochromator with radiant illuminometer was minimum. The expand uncertainty was 9%

which had absolute advantages than other three combinations with expand uncertainties of 19.4%

19% and 11.2%. The research achievement can support the research and development of domestic ultraviolet detectors

thus providing an effective and accurate detection method for improving and promoting the technical performance of ultraviolet detectors.

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references

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