Numerical analysis of partially coherent radiation at soft x-ray beamline

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	Numerical analysis of partially coherent radiation at soft x-ray beamline
	Meng, XY; Xue, CF; Yu, HN; Wang, Y; Wu, YQ; Tai, RZ
刊名	OPTICS EXPRESS
	2015
卷号	23 期号:23 页码:29675—29686
关键词	WAVE-FRONT PROPAGATION FREE-ELECTRON LASER OPTICS
ISSN号	1094-4087
通讯作者	Meng, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 239 Zhangheng Rd, Shanghai 201800, Peoples R China.
英文摘要	A new model for numerical analysis of partially coherent x-ray at synchrotron beamlines is presented. The model is based on statistical optics. Four-dimensional coherence function, Mutual Optical Intensity (MOI), is applied to describe the wavefront of the partially coherent light. The propagation of MOI through optical elements in the beamline is deduced with numerical calculation. The coherence of x-ray through beamlines can be acquired. We applied the model to analyze the coherence in the STXM beamline at SSRF, and got the coherence length of the beam at the endstation. To verify the theoretical results, the diffraction experiment of a single slit was performed and the diffraction pattern was simulated to get the coherence length, (31 +/- 3.0) mu m x (25 +/- 2.1) mu m (H x V), which had a good agreement with the theoretical results, (30.7 +/- 0.6) mu m x (31 +/- 5.3) mu m (H x V). The model is applicable to analyze the coherence in synchrotron beamlines. (C) 2015 Optical Society of America
语种	英语
WOS记录号	WOS:000366611500035
公开日期	2016-03-08
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/25006]
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	Meng, XY,Xue, CF,Yu, HN,et al. Numerical analysis of partially coherent radiation at soft x-ray beamline[J]. OPTICS EXPRESS,2015,23(23):29675—29686.
APA	Meng, XY,Xue, CF,Yu, HN,Wang, Y,Wu, YQ,&Tai, RZ.(2015).Numerical analysis of partially coherent radiation at soft x-ray beamline.OPTICS EXPRESS,23(23),29675—29686.
MLA	Meng, XY,et al."Numerical analysis of partially coherent radiation at soft x-ray beamline".OPTICS EXPRESS 23.23(2015):29675—29686.