The response characteristics of bi-alkali photocathode PMT to infrared light

Shiyu YIN; Lishuang MA; Sen QIAN; Feng GAO; Yao ZHU; Zhigang WANG; Zhe NING; Zhile WANG; Pengyu CHEN; Binhuan YUAN

doi:10.11889/j.0253-3219.2018.hjs.41.010401

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The response characteristics of bi-alkali photocathode PMT to infrared light

NUCLEAR ELECTRONICS AND INSTRUMENTATION | 更新时间：2021-05-19

- The response characteristics of bi-alkali photocathode PMT to infrared light
- NUCLEAR TECHNIQUES Vol. 41, Issue 1, Article number: 010401(2018)
- 作者机构：
  
  1.北方工业大学北京 100049
  2.中国科学院大学北京 100049
  3.中国科学院高能物理研究所北京 100049
  4.核探测与核电子学国家重点实验室北京 100049
  5.哈尔滨工业大学哈尔滨 150000
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;National Natural Science Foundation of China;National Natural Science Foundation of China;National Natural Science Foundation of China
- DOI：10.11889/j.0253-3219.2018.hjs.41.010401
  CLC： TP319
- Received：05 September 2017，
  
  Revised：20 October 2017，
  
  Published：10 January 2018
- 稿件说明：
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Shiyu YIN, Lishuang MA, Sen QIAN, et al. The response characteristics of bi-alkali photocathode PMT to infrared light[J]. Nuclear techniques, 2018, 41(1): 010401
DOI：

Shiyu YIN, Lishuang MA, Sen QIAN, et al. The response characteristics of bi-alkali photocathode PMT to infrared light[J]. Nuclear techniques, 2018, 41(1): 010401 DOI： 10.11889/j.0253-3219.2018.hjs.41.010401.

摘要

在传统光电探测领域，双碱光阴极光电倍增管（Photomultiplier Tube，PMT）的光谱响应范围一般在300-700 nm，因此波长大于700 nm的红外光常被用作此款PMT生产或者测试过程中的背景光。然而在用红外发光二极管（Light Emitting Diode，LED）做PMT系统标定时发现PMT产生了红暴现象。其原因可能有两种：一是系统标定所用的红外LED存在白光光谱范围的杂散光；二是双碱光阴极PMT对红外光的微弱响应。本文通过设计实验，用红外激光管干扰双碱光阴极PMT的单光子状态，证明双碱光阴极PMT确实对红外光有响应，并对不同生产工艺制备的双碱光阴极PMT的红外响应特性进行了评估。

Abstract

Background

The spectral response range of the bi-alkali photocathode photomultiplier tube (PMT) is 300 nm to 700 nm. So infrared light is often used as a background light of PMTs during producing or testing. However

the PMT had a red storm

when use the infrared light emitting diode (LED) for its calibration.

Purpose

This paper aims to prove that the PMT itself is really responsive to infrared light

rather than the presence of stray light in the LED.

Methods

The infrared light was used to interfere the single-photon state of bi-alkali photocathode PMTs.

Results

When the power of the infrared laser tube is up to mW

the single photon state of PMTs changed.

Conclusion

It is proved that the bi-alkali photocathode PMTs does respond to the infrared light.

关键词

Keywords

references

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