Design of a nondestructive two-in-one instrument for measuring the polarization and energy spectrum at an X-ray FEL facility
Zhang, QM; Deng, BJ; Chen, YML; Liu, BC; Chen, SF; Fan, JQ; Feng, L; Deng, HX; Liu, B; Wang, D
2017
发表期刊JOURNAL OF INSTRUMENTATION
ISSN1748-0221
卷号12期号:-页码:-
文章类型期刊论文
摘要The free electron laser (FEL), as a next-generation light source, is an attractive tool in scientific frontier research because of its advantages of full coherence, ultra-short pulse duration, and controllable polarization. Owing to the demand of real-time bunch diagnosis during FEL experiments, precise nondestructive measurements of the polarization and X-ray energy spectrum using one instrument are preferred. In this paper, such an instrument based on the electron time-of-flight technique is proposed. By considering the complexity and nonlinearity, a numerical model in the framework of Geant4 has been developed for optimization. Taking the Shanghai Soft X-ray FEL user facility as an example, its measurement performances' dependence on the critical parameters was studied systematically, and, finally, an optimal design was obtained, achieving resolutions of 0.5% for the polarization degree and 0.3 eV for the X-ray energy spectrum.
关键词Free-electron Laser Angular-distribution Parameters Range 100-5000 Ev Photoelectron-spectroscopy Subshells Pulses Fermi
DOI10.1088/1748-0221/12/10/T10003
关键词[WOS]FREE-ELECTRON LASER ; ANGULAR-DISTRIBUTION PARAMETERS ; RANGE 100-5000 EV ; PHOTOELECTRON-SPECTROSCOPY ; SUBSHELLS ; PULSES ; FERMI
收录类别SCI
语种英语
WOS记录号WOS:000414167200003
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28600
专题中科院上海应用物理研究所2011-2018年
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Zhang, QM,Deng, BJ,Chen, YML,et al. Design of a nondestructive two-in-one instrument for measuring the polarization and energy spectrum at an X-ray FEL facility[J]. JOURNAL OF INSTRUMENTATION,2017,12(-):-.
APA Zhang, QM.,Deng, BJ.,Chen, YML.,Liu, BC.,Chen, SF.,...&Wang, D.(2017).Design of a nondestructive two-in-one instrument for measuring the polarization and energy spectrum at an X-ray FEL facility.JOURNAL OF INSTRUMENTATION,12(-),-.
MLA Zhang, QM,et al."Design of a nondestructive two-in-one instrument for measuring the polarization and energy spectrum at an X-ray FEL facility".JOURNAL OF INSTRUMENTATION 12.-(2017):-.
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