CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Design and test of SX-FEL cavity BPM
Yuan Ren-Xian(袁任贤); Zhou Wei-Min(周伟民); Chen Zhi-Chu(陈之初); Yu Lu-Yang(俞路阳); Wang Bao-Pen(王宝鹏); Leng Yong-Bin(冷用斌)
2013
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
Volume37Issue:11
AbstractThis paper reports the design and cold test of the cavity beam position monitor (CBPM) for SX-FEL to fulfill the requirement of beam position measurement resolution of less than 1 mu m, even 0.1 mu m. The CBPM was optimized by using a coupling slot to damp the TM010 mode in the output signal. The isolation of TM010 mode is about 117 dB, and the shunt impedance is about 200 Omega@4.65 GHz with the quality factor 80 from MAFIA simulation and test result. A special antenna was designed to load power for reducing excitation of other modes in the cavity. The resulting output power of TM110 mode was about 90 mV/mm when the source was 6 dBm, and the accomplishable minimum voltage was about 200 mu V. The resolution of the CBPM was about 0.1 mu m from the linear fitting result based on the cold test.
Indexed BySCI
Language英语
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13707
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Yuan Ren-Xian,Zhou Wei-Min,Chen Zhi-Chu,et al. Design and test of SX-FEL cavity BPM[J]. CHINESE PHYSICS C,2013,37(11).
APA Yuan Ren-Xian,Zhou Wei-Min,Chen Zhi-Chu,Yu Lu-Yang,Wang Bao-Pen,&Leng Yong-Bin.(2013).Design and test of SX-FEL cavity BPM.CHINESE PHYSICS C,37(11).
MLA Yuan Ren-Xian,et al."Design and test of SX-FEL cavity BPM".CHINESE PHYSICS C 37.11(2013).
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