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Quantitative coherence analysis with an X-ray Talbot-Lau interferometer
Wang ZL(王志立); Zhu PP(朱佩平); Huang WX(黄万霞); Yuan QX(袁清习); Liu XS(刘小松); Zhang K(张凯); Hong YL(洪友丽); Zhang HT(张慧滔); Wu ZY(吴自玉); Wang, ZL; Zhu, PP; Huang, WX; Yuan, QX; Liu, XS; Zhang, K; Hong, YL; Zhang, HT; Ge, X; Gao, K; Wu, ZY
2010
发表期刊ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷号397期号:6页码:2091-2094
通讯作者[Wang, Zhili ; Zhu, Peiping ; Huang, Wanxia ; Yuan, Qingxi ; Liu, Xiaosong ; Zhang, Kai ; Hong, Youli ; Zhang, Huitao ; Wu, Ziyu] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Ge, Xin ; Gao, Kun ; Wu, Ziyu] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China
文章类型Article
摘要Differential phase-contrast (DPC) X-ray imaging has been performed in the Talbot-Lau configuration, in which the X-ray source was a combination of an absorption grating and a laboratory X-ray generator. We report here quantitative analysis of partial coherence effects on the X-ray Talbot-Lau interferometer. Based on the visibility of the self-image, the well-known geometry condition is reproduced. It is shown that effects of partial coherence are determined by the opening ratio of the source grating, and that the effects are independent of the Talbot order and the type of the phase grating, a condition quite different from those in a Talbot interferometer. A possible explanation is discussed from the point of view of the effective spatial coherence length. Taking into account the available X-ray flux and experimental fluctuations, we present the optimum opening ratio. Furthermore, we mention that our results can also be successfully used to discuss the properties of a multiline X-ray source.
关键词Partial coherence Talbot-Lau interferometer Self-image Fractional Talbot distance Visibility
学科领域Biochemistry & Molecular Biology; Chemistry
DOI10.1007/s00216-010-3632-9
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语种英语
WOS研究方向Biochemistry & Molecular Biology ; Chemistry
WOS类目Biochemical Research Methods ; Chemistry, Analytical
WOS记录号WOS:000279453000007
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被引频次:11[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/311005/239649
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,Zhu PP,Huang WX,et al. Quantitative coherence analysis with an X-ray Talbot-Lau interferometer[J]. ANALYTICAL AND BIOANALYTICAL CHEMISTRY,2010,397(6):2091-2094.
APA 王志立.,朱佩平.,黄万霞.,袁清习.,刘小松.,...&Wu, ZY.(2010).Quantitative coherence analysis with an X-ray Talbot-Lau interferometer.ANALYTICAL AND BIOANALYTICAL CHEMISTRY,397(6),2091-2094.
MLA 王志立,et al."Quantitative coherence analysis with an X-ray Talbot-Lau interferometer".ANALYTICAL AND BIOANALYTICAL CHEMISTRY 397.6(2010):2091-2094.
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