Numerical analysis of partially coherent radiation at soft x-ray beamline
Meng, XY; Xue, CF; Yu, HN; Wang, Y; Wu, YQ; Tai, RZ; Meng, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 239 Zhangheng Rd, Shanghai 201800, Peoples R China.
2015
发表期刊OPTICS EXPRESS
ISSN1094-4087
卷号23期号:23页码:29675—29686
文章类型期刊文献
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
关键词Wave-front Propagation Free-electron Laser Optics
语种英语
WOS记录号WOS:000366611500035
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文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25006
专题中科院上海应用物理研究所2011-2018年
通讯作者Meng, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 239 Zhangheng Rd, Shanghai 201800, Peoples R China.
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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.,...&Meng, XY .(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.
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