Extending the photon energy coverage of an x-ray self-seeding FEL via the reverse taper enhanced harmonic generation technique
Zhang, KQ; Qi, Z; Feng, C; Deng, HX; Wang, D; Zhao, ZT
2017
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN0168-9002
卷号854页码:3-10
文章类型期刊论文
摘要In this paper, a simple method is proposed to extend the photon energy range of a soft x-ray self-seeding free-electron laser (FEL). A normal monochromator is first applied to purify the FEL spectrum and provide a coherent seeding signal. This coherent signal then interacts with the electron beam in the following reverse tapered undulator section to generate strong coherent microbunchings while maintain the good quality of the electron beam. After that, the pre-bunched electron beam is sent into the third undulator section which resonates at a target high harmonic of the seed to amplify the coherent radiation at shorter wavelength. Three dimensional simulations have been performed and the results demonstrate that the photon energy gap between 1.5 keV and 4.5 keV of the self-seeding scheme can be fully covered and 100 GW-level peak power can be achieved by using the proposed technique.
关键词Self-seeding Reverse Taper Harmonic Generation
DOI10.1016/j.nima.2017.02.039
收录类别SCI
语种英语
WOS记录号WOS:000398869100002
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27320
专题中科院上海应用物理研究所2011-2018年
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Zhang, KQ,Qi, Z,Feng, C,et al. Extending the photon energy coverage of an x-ray self-seeding FEL via the reverse taper enhanced harmonic generation technique[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2017,854:3-10.
APA Zhang, KQ,Qi, Z,Feng, C,Deng, HX,Wang, D,&Zhao, ZT.(2017).Extending the photon energy coverage of an x-ray self-seeding FEL via the reverse taper enhanced harmonic generation technique.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,854,3-10.
MLA Zhang, KQ,et al."Extending the photon energy coverage of an x-ray self-seeding FEL via the reverse taper enhanced harmonic generation technique".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 854(2017):3-10.
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