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Analysis of partial coherence in grating-based phase-contrast X-ray imaging
Wang ZL(王志立); Liu XS(刘小松); Zhu PP(朱佩平); Huang WX(黄万霞); Yuan QX(袁清习); Li ER(李恩荣); Zhang K(张凯); Hong YL(洪友丽); Wu ZY(吴自玉); Wang, ZL; Liu, XS; Zhu, PP; Huang, WX; Yuan, QX; Li, ER; Liu, YJ; Zhang, K; Hong, YL; Wu, ZY
2010
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
卷号619期号:1-3页码:319-322
通讯作者[Liu, Yijin ; Wu, Ziyu] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China ; [Wang, Zhili ; Liu, Xiaosong ; Zhu, Peiping ; Huang, Wanxia ; Yuan, Qingxi ; Li, Enrong ; Zhang, Kai ; Hong, Youli ; Wu, Ziyu] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Wu, Ziyu] Chinese Acad Sci, Ctr Theoret Phys, Sci Facil, Beijing 100049, Peoples R China
文章类型Article; Proceedings Paper
摘要We report here a quantitative analysis of the effect of partial coherence on grating-based phase-contrast X-ray imaging. The self-image intensity has been derived through the phase-space formulation in the framework of the Wigner distribution. Based on the behavior of the self-image visibility, the minimum required spatial coherence length is given for three different types of gratings. Furthermore, we show that the coherence requirement, at different fractional Talbot distances, increases linearly with the Talbot order for the three types of gratings. The approach we presented can also be successfully applied to the Talbot-Lau geometry. (C) 2009 Elsevier B.V. All rights reserved.
关键词Partial coherence Self-image Fractional Talbot distance Visibility
学科领域Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy
研究领域[WOS]Instruments & Instrumentation ; Nuclear Science & Technology ; Physics ; Spectroscopy ; Instruments & Instrumentation ; Nuclear Science & Technology ; Physics ; Spectroscopy
DOI10.1016/j.nima.2009.10.126
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语种英语
研究领域[WOS]Instruments & Instrumentation ; Nuclear Science & Technology ; Physics ; Spectroscopy ; Instruments & Instrumentation ; Nuclear Science & Technology ; Physics ; Spectroscopy
WOS类目Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Particles & Fields ; Spectroscopy
WOS记录号WOS:000280026300077
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236955
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Wang ZL,Liu XS,Zhu PP,et al. Analysis of partial coherence in grating-based phase-contrast X-ray imaging[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2010,619(1-3):319-322.
APA 王志立.,刘小松.,朱佩平.,黄万霞.,袁清习.,...&Wu, ZY.(2010).Analysis of partial coherence in grating-based phase-contrast X-ray imaging.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,619(1-3),319-322.
MLA 王志立,et al."Analysis of partial coherence in grating-based phase-contrast X-ray imaging".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 619.1-3(2010):319-322.
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