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	Analysis and experiments of a waveguide post's influence on photocathode RF gun
	Qjan, Houjun ; Tang, Chuanxiang ; Zheng, Shuxin ; Tong, Dechun ; Chen, Huaibi ; Huang, Wenhui ; Guan, Xin
	2010-10-12 ; 2010-10-12
关键词	Photocathode RF gun Coupling tuning Waveguide post Multi-mode fields Emittance Instruments & Instrumentation Nuclear Science & Technology Physics, Particles & Fields Spectroscopy
中文摘要	Several BNL/KEK/SHI type photocathode RF guns have been fabricated for high-quality electron beams in Accelerator Laboratory of Tsinghua University. This paper describes how the characteristics of a waveguide post can be chosen to correct for a mismatch in power coupling without affecting the pi-mode resonant frequency and the balance of fields between the two cells. Microwave circuit theories are used to analyze how to select the proper location and depth of the waveguide post. The tolerance on the post positioning is evaluated based on gun field quality requirements. MAFIA simulations and RF experiments have been done to confirm the theoretical analysis. (C) 2008 Elsevier B.V. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78865]
专题	清华大学
推荐引用方式 GB/T 7714	Qjan, Houjun,Tang, Chuanxiang,Zheng, Shuxin,et al. Analysis and experiments of a waveguide post's influence on photocathode RF gun[J],2010, 2010.
APA	Qjan, Houjun.,Tang, Chuanxiang.,Zheng, Shuxin.,Tong, Dechun.,Chen, Huaibi.,...&Guan, Xin.(2010).Analysis and experiments of a waveguide post's influence on photocathode RF gun..
MLA	Qjan, Houjun,et al."Analysis and experiments of a waveguide post's influence on photocathode RF gun".(2010).

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