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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
Department精密物理量测量实验室
2018-12-21
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN0168-9002;1872-9576
Volume912Issue:SIPages:112-114
Contribution Rank1
Abstract

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.

KeywordLate pulse MCP-PMT Secondary emission Collection efficiency Transit time spread Cross-talk
DOI10.1016/j.nima.2017.10.081
Indexed BySCI
Language英语
WOS IDWOS:000453717200030
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31159
Collection精密物理量测量实验室
Corresponding AuthorChen, Ping
Affiliation1.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
Recommended Citation
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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