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学科主题: 物理化学
题名: FEL polarization control studies on Dalian coherent light source
作者: Zhang Tong1, 2;  Deng Hai-Xiao1;  Zhang Wei-Qing3;  Wu Guo-Rong3;  Dai Dong-Xu3;  Wang Dong1;  Yang Xue-Ming3;  Zhao Zhen-Tang1
通讯作者: 邓海啸
关键词: crossed planar undulator ;  elliptical permanent undulator ;  PELICAN ;  polarization control ;  slippage
刊名: CHINESE PHYSICS C
发表日期: 2013-11-01
DOI: 10.1088/1674-1137/37/11/118101
卷: 37, 期:11, 页:118101
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: 11
项目归属: 1102
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Nuclear ;  Physics, Particles & Fields
资助者: 3,3
研究领域[WOS]: Physics
英文摘要: The polarization switch of a free-electron laser (FEL) is of great importance to the user scientific community. In this paper, we investigate the generation of controllable polarization FEL from two well-known approaches for Dalian coherent light source, i.e., crossed planar undulator and elliptical permanent undulator. In order to perform a fair comparative study, a one-dimensional time-dependent FEL code has been developed, in which the imperfection effects of an elliptical permanent undulator are taken into account. Comprehensive simulation results indicate that the residual beam energy chirp and the intrinsic FEL gain may contribute to the degradation of the polarization performance for the crossed planar undulator. The elliptical permanent undulator is not very sensitive to the undulator errors and beam imperfections. Meanwhile, with proper configurations of the main planar undulators and additional elliptical permanent undulator section, circular polarized FEL with pulse energy exceeding 100 mu J could be achieved at Dalian coherent light source.
关键词[WOS]: FREE-ELECTRON LASER ;  ULTRAVIOLET
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000327109700020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119119
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.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, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Zhang Tong,Deng Hai-Xiao,Zhang Wei-Qing,et al. FEL polarization control studies on Dalian coherent light source[J]. CHINESE PHYSICS C,2013,37(11):118101.
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