光电探测器件的单光电子谱数据获取

高峰; 钱森; 宁哲; 王志刚; 马丽双; 朱瑶; 陈鹏宇; 尹士玉; 王治乐

doi:10.11889/j.0253-3219.2019.hjs.42.100404

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光电探测器件的单光电子谱数据获取

核电子学与仪器 | 更新时间：2024-10-25

- 光电探测器件的单光电子谱数据获取
- Data acquisition system for single photoelectron spectra of photoelectric detector
- 核技术 2019年42卷第10期
- 作者机构：
  
  1.中国科学院高能物理研究所北京 100049
  2.中国科学院大学北京 100049
  3.核探测与核电子学国家重点实验室北京 100049
  4.北方工业大学北京 100144
  5.哈尔滨工业大学哈尔滨 150000
- 作者简介：
  
  高峰，女，1993年出生，2019年于中国科学院大学于获硕士学位，原子核与粒子物理专业
  钱森，E-mail:qians@ihep.ac.cn
- 基金信息：
  
  国家自然科学基金(11475209;11675205;11611130020)
- DOI：10.11889/j.0253-3219.2019.hjs.42.100404
  中图分类号： TL813，TL82
- 收稿日期：2018-03-13，
  
  修回日期：2019-02-05，
  
  纸质出版日期：2019-10-13
- 稿件说明：
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高峰,钱森,宁哲等.光电探测器件的单光电子谱数据获取[J].核技术,2019,42(10):51-58.

GAO Feng,QIAN Sen,NING Zhe,et al.Data acquisition system for single photoelectron spectra of photoelectric detector[J].NUCLEAR TECHNIQUES,2019,42(10):51-58.
高峰,钱森,宁哲等.光电探测器件的单光电子谱数据获取[J].核技术,2019,42(10):51-58. DOI： 10.11889/j.0253-3219.2019.hjs.42.100404.

GAO Feng,QIAN Sen,NING Zhe,et al.Data acquisition system for single photoelectron spectra of photoelectric detector[J].NUCLEAR TECHNIQUES,2019,42(10):51-58. DOI： 10.11889/j.0253-3219.2019.hjs.42.100404.

摘要

在常规光电器件性能研究中，测试光电倍增管(Photomultiplier Tube

PMT)的单光电子谱(Single Photoelectron Spectra

SPE)系统一般是采用基于VME和NIM机箱的电荷数字转换器(Charge-to-Digital-Converter

QDC)和时间数字转换器(Time-to-Digital-Converter

TDC)电子学插件等，而测试硅光电倍增管 (Silicon Photomultiplier，SiPMT) 的系统则倾向于使用基于快速模数转换器(Flash-Analog-to-Digital-Converter

FADC)的便携式桌面机电子学。本文基于相同型号的20吋PMT和SiPMT对比测试，通过比较PMT的性能参数（增益、峰谷比、相对探测效率和能量分辨率等）测试结果，从硬件配置和软件分析等方面深入比较两套数据获取系统的异同，明确使用FADC的一些必要操作过程和数据分析方法。实验结果表明：便携式的FADC系统，可以和基于VME机箱的QDC系统一样，可实现对PMT工作于脉冲模式的阳极信号精确测试，但性能各有优劣。

Abstract

Background

There are two methods to test the single photoelectron spectra (SPE) performance of the photomultiplier tubes (PMT) and Silicon Photomultiplie (SiPMT) with either the charge-to-digital-converter (QDC) module or flash amplitude-to-digital-converter (FADC) module.

Purpose

This study aims to investigate the difference of data acquisition between FADC and QDC for single photoelectron spectra (SPE) of photoelectric detector.

Methods

Single photoelectron spectra (SPE) of 20-inch PMTs of the same model

as well as SiPMT of same mode

were measured under the same testing conditions using FADC module and QDC module. Gain

signal events

detection efficiency

the ratio of peak to valley and energy resolution were compared in details.

Results

Both QDC and FADC can be used as data acquisition tools for PMT SPE test

but each has its own advantages and disadvantages.

Conclusions

According to the system’s specific demand for photoelectric detector

either of the two modules could be chosen.

关键词

Keywords

references

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