CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
RF design optimization for the SHINE 3.9 GHz cavity
Zhang, YX; Chen, JF; Wang, D
2020
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume31Issue:7Pages:-
Subtype期刊论文
AbstractThe Shanghai high-repetition-rate XFEL and extreme light facility (SHINE) under construction is designed to be one of the most advanced free electron laser (FEL) facilities in the world. The main part of the SHINE facility is an 8 GeV superconducting Linac operating in continuous wave (CW) mode. The Linac consists of seventy-five 1.3 GHz and two 3.9 GHz cryomodules. Based on the design and experience of 3.9 GHz cavities in the European X-ray free electron laser (E-XFEL) and the Linac coherent light source-II (LCLS-II) projects, we optimize the SHINE 3.9 GHz cavity design to adapt it for CW mode operation. In this paper, we present a particular redesign of the end group for the SHINE 3.9 GHz superconducting cavity that includes a redesign of the end cell and beam pipe to shift away the potentially troublesome lowest high-order modes (HOMs), a modification of the main coupler antenna, and a tuning of the HOM notch filter to meet the cavity requirements. RF losses calculations on the HOM coupler antennas show that the overheating on the inner conductor at the operating mode is diminished significantly. Furthermore, we have also studied the HOMs to ensure there are no dangerously trapped modes in the optimized cavity design.
DOI10.1007/s41365-020-00772-z
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33114
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 201204, Peoples R China
2.ShanghaiTech Univ, Shanghai 201210, Peoples R China
3.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201204, Peoples R China
Recommended Citation
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Zhang, YX,Chen, JF,Wang, D. RF design optimization for the SHINE 3.9 GHz cavity[J]. NUCLEAR SCIENCE AND TECHNIQUES,2020,31(7):-.
APA Zhang, YX,Chen, JF,&Wang, D.(2020).RF design optimization for the SHINE 3.9 GHz cavity.NUCLEAR SCIENCE AND TECHNIQUES,31(7),-.
MLA Zhang, YX,et al."RF design optimization for the SHINE 3.9 GHz cavity".NUCLEAR SCIENCE AND TECHNIQUES 31.7(2020):-.
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