CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Design of a 162.5 MHz continuous-wave normal-conducting radiofrequency electron gun
Wang, C; Zhu, ZH; Jiang, ZG; Tang, QS; Zhao, ZT; Gu, Q
2020
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume31Issue:11Pages:-
Subtype期刊论文
AbstractA high-gradient radiofrequency (RF) gun operated in continuous-wave (CW) mode is required in various accelerating applications. Due to the high RF power loss, a traditional normal-conducting (NC) RF electron gun has difficulty meeting the requirement of generating a high-repetition-rate electron beam. The development of a scheme for a CW NC-RF gun is urgently required. Demonstrated as a photoinjector of a high-repetition-rate free-electron laser (FEL), an electron gun operated in CW mode and the VHF band is designed. An analysis of the reentrant gun cavity is presented in this paper to increase the gradient and decrease the power density and power dissipation. Referring to the analysis results, the design of a 162.5 MHz gun cavity is optimized by a multi-objective evolutionary algorithm to achieve better performance in CW mode. Multipacting and thermal analyses are also deliberated in the design to coordinate with RF and mechanical design. The optimized 162.5 MHz gun cavity can be operated in CW mode to generate a high-repetition-rate beam with voltage up to 1 MV and gradient up to 32.75 MV/m at the cathode.
KeywordRF
DOI10.1007/s41365-020-00817-3
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32782
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
Recommended Citation
GB/T 7714
Wang, C,Zhu, ZH,Jiang, ZG,et al. Design of a 162.5 MHz continuous-wave normal-conducting radiofrequency electron gun[J]. NUCLEAR SCIENCE AND TECHNIQUES,2020,31(11):-.
APA Wang, C,Zhu, ZH,Jiang, ZG,Tang, QS,Zhao, ZT,&Gu, Q.(2020).Design of a 162.5 MHz continuous-wave normal-conducting radiofrequency electron gun.NUCLEAR SCIENCE AND TECHNIQUES,31(11),-.
MLA Wang, C,et al."Design of a 162.5 MHz continuous-wave normal-conducting radiofrequency electron gun".NUCLEAR SCIENCE AND TECHNIQUES 31.11(2020):-.
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