Coherent photon beam based diagnostics for a seeded extreme ultraviolet free-electron laser

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	Coherent photon beam based diagnostics for a seeded extreme ultraviolet free-electron laser
	Feng, C ; Deng, HX ; Dai, ZM ; Liu, B ; Tian, SQ ; Zhang, MZ ; Zhang, M
刊名	PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
	2014
卷号	17 期号:10
关键词	X-RAY FELS GENERATION WAVELENGTH SIMULATION OPERATION INTENSE DESIGN SCHEME
ISSN号	1098-4402
通讯作者	denghaixiao@sinap.ac.cn
英文摘要	Independently from conventional electron beam based procedures, the photon beam based diagnostic is an alternative way for electron trajectory alignment and commissioning of numerous undulator cells in high-gain short-wavelength free-electron lasers (FELs). In this paper, using the microbunched electron beam and the undulator fine-tuning technique, a novel method based on the spatial profile analysis of coherent harmonic radiation from individual or two consecutive undulator segments, the so-called coherent photon beam based diagnostic, is proposed for undulator alignment and commissioning in seeded FELs. The preliminary experimental results at the Shanghai deep ultraviolet FEL test facility are presented. It shows that the proposed method is effective and convenient in the electron beam trajectory control, the undulator magnetic gap verification, and the phase match between two undulator segments.
收录类别	SCI
语种	英语
WOS记录号	WOS:000344102000001
公开日期	2015-03-13
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/14045]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 GB/T 7714	Feng, C,Deng, HX,Dai, ZM,et al. Coherent photon beam based diagnostics for a seeded extreme ultraviolet free-electron laser[J]. PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS,2014,17(10).
APA	Feng, C.,Deng, HX.,Dai, ZM.,Liu, B.,Tian, SQ.,...&Zhang, M.(2014).Coherent photon beam based diagnostics for a seeded extreme ultraviolet free-electron laser.PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS,17(10).
MLA	Feng, C,et al."Coherent photon beam based diagnostics for a seeded extreme ultraviolet free-electron laser".PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS 17.10(2014).