Self-seeded FEL wavelength extension with high-gain harmonic generation

We study a self-seeded high-gain harmonic generation（HGHG） free-electron laser（FEL） scheme to extend the wavelength of a soft X-ray FEL. This scheme uses a regular self-seeding monochromator to generate a seed laser at the wavelength of 1.52 nm, followed by a HGHG configuration to produce coherent,...

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Published inChinese physics C Vol. 40; no. 9; pp. 184 - 189
Main Author 曾凌 秦伟伦 赵刚 黄森林 Yuantao Ding Zhirong Huang Gabriel Marcus 刘克新
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.09.2016
Subjects
FEL
HGHG
self-seeding
单色仪
波长
种子
自由电子激光器
谐波辐射
软X射线
高增益
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ISSN1674-1137
0254-3052
DOI10.1088/1674-1137/40/9/098102

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Summary:We study a self-seeded high-gain harmonic generation（HGHG） free-electron laser（FEL） scheme to extend the wavelength of a soft X-ray FEL. This scheme uses a regular self-seeding monochromator to generate a seed laser at the wavelength of 1.52 nm, followed by a HGHG configuration to produce coherent, narrow-bandwidth harmonic radiations at the GW level. The 2nd and 3rd harmonic radiation is investigated with start-to-end simulations.Detailed studies of the FEL performance and shot-to-shot fluctuations are presented.
Bibliography:11-5641/O4
Ling Zeng, Weilun Qin,Gang Zhao,Senlin Huang, Yuantao Ding, Zhirong Huang, Gabriel Marcus, Kexin Liu（ 1 Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China; 2 SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA）
FEL, self-seeding, HGHG
We study a self-seeded high-gain harmonic generation（HGHG） free-electron laser（FEL） scheme to extend the wavelength of a soft X-ray FEL. This scheme uses a regular self-seeding monochromator to generate a seed laser at the wavelength of 1.52 nm, followed by a HGHG configuration to produce coherent, narrow-bandwidth harmonic radiations at the GW level. The 2nd and 3rd harmonic radiation is investigated with start-to-end simulations.Detailed studies of the FEL performance and shot-to-shot fluctuations are presented.
ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/40/9/098102