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Photoelectron backscattering in the microchannel plate photomultiplier tube
Chen, Ping1,2; Tian, Jinshou1,2; Guo, Lehui1; Wei, Yonglin1; Liu, Hulin1; Sai, Xiaofeng1; Wang, Xing1; Lu, Yu1; Wang, Chao1; Wang, Junfeng1; He, Kai1; Tian, Liping1; Xin, Liwei1; Guo, Haitao1
作者部门精密物理量测量实验室
2018-12-21
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN0168-9002;1872-9576
卷号912期号:SI页码:112-114
产权排序1
摘要

The late pulse occurring in photomultiplier tubes (PMTS) is attributed to photoelectron backscattering. The small effective open area of microchannel plates (MCPs) increases the probability of photoelectrons bouncing on the front surface of MCPs and aggravates late pulses. In this work, a three-dimensional MCP-PMT model is developed in CST particle studio, a powerful electromagnetic field simulation program, to evaluate the effects of secondary emission yield (SEY) property of the MCP input facet and electric field on the photoelectron backscattering. Timing properties and the number of collected electrons are extracted without smearing due to electronic noise and finite pulse width. Results predict that the collection efficiency (CE) and the time performance can be improved by coating the MCP Nickel-Chromium input electrode with a high SEY material and operating in a proper photocathode-MCP bias voltage. (C) 2017 Elsevier B.V. All rights reserved.

关键词Late pulse MCP-PMT Secondary emission Collection efficiency Transit time spread Cross-talk
DOI10.1016/j.nima.2017.10.081
收录类别SCI
语种英语
WOS记录号WOS:000453717200030
出版者ELSEVIER SCIENCE BV
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/31159
专题精密物理量测量实验室
通讯作者Chen, Ping
作者单位1.Chinese Acad Sci, Key Lab Ultrafast Photoelect Diagnost Technol, Xian Inst Opt & Precis Mech, Xian 710119, Shaanxi, Peoples R China
2.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
推荐引用方式
GB/T 7714
Chen, Ping,Tian, Jinshou,Guo, Lehui,et al. Photoelectron backscattering in the microchannel plate photomultiplier tube[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2018,912(SI):112-114.
APA Chen, Ping.,Tian, Jinshou.,Guo, Lehui.,Wei, Yonglin.,Liu, Hulin.,...&Guo, Haitao.(2018).Photoelectron backscattering in the microchannel plate photomultiplier tube.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,912(SI),112-114.
MLA Chen, Ping,et al."Photoelectron backscattering in the microchannel plate photomultiplier tube".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 912.SI(2018):112-114.
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