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题名

Systematic analysis of a compact setup to measure the photoemitted electron beam transverse momentum and emittance

作者
通讯作者Yu, Lei
发表日期
2021
DOI
发表期刊
ISSN
0034-6748
EISSN
1089-7623
卷号92期号:1
摘要

A compact setup with a planar-cathode and grid-anode plus free field drift distance configuration (momentatron) has provided a new way to measure the transverse momentum and, hence, the emittance of the electron beam from a photocathode. This method has been used for analysis of the transverse momentum and emittance of the photoemitted electron beam from the photocathode in a stepwise manner during the fabrication process. The errors caused by the lensing effect from opening holes of the grid anode and misalignments caused by tilting and curving have been systematically analyzed. An analytical method has been developed, and a full three-dimensional electrostatic field particle tracing simulation has been performed to validate this measurement technique. The results show that a momentatron can provide an accurate measurement of transverse momentum and emittance of the photoemitted electrons. The reasonable experimental errors that may be encountered will only have a modest (few %) effect on the emittance measurement.

相关链接[来源记录]
收录类别
SCI ; EI
语种
英语
学校署名
其他
资助项目
NSFC as National Key Instrumental Development Scheme[A04-11227802] ; 985 Key National University Funding at Chongqing University[
WOS研究方向
Instruments & Instrumentation ; Physics
WOS类目
Instruments & Instrumentation ; Physics, Applied
WOS记录号
WOS:000608108400001
出版者
EI入藏号
20210309770074
EI主题词
Anodes ; Electron beams ; Momentum ; Photocathodes
EI分类号
Electron Tubes:714.1 ; Mechanics:931.1
ESI学科分类
CHEMISTRY
来源库
Web of Science
引用统计
被引频次[WOS]:1
成果类型期刊论文
条目标识符http://sustech.caswiz.com/handle/2SGJ60CL/221184
专题量子科学与工程研究院
工学院_材料科学与工程系
作者单位
1.Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
2.ShanghaiTech Univ, Shanghai 201210, Peoples R China
3.South Univ Sci & Technol, Inst Quantum Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
4.South Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
推荐引用方式
GB/T 7714
Yu, Lei,Wan, Weishi,Tang, Wen-Xin,et al. Systematic analysis of a compact setup to measure the photoemitted electron beam transverse momentum and emittance[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2021,92(1).
APA
Yu, Lei,Wan, Weishi,Tang, Wen-Xin,&Feng, Jun.(2021).Systematic analysis of a compact setup to measure the photoemitted electron beam transverse momentum and emittance.REVIEW OF SCIENTIFIC INSTRUMENTS,92(1).
MLA
Yu, Lei,et al."Systematic analysis of a compact setup to measure the photoemitted electron beam transverse momentum and emittance".REVIEW OF SCIENTIFIC INSTRUMENTS 92.1(2021).
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2021 RSI Yu Lei & Ju(1432KB)----限制开放--
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