Grating-based X-ray phase contrast imaging using polychromatic laboratory sources
Wang ZL(王志立); Zhu PP(朱佩平); Yuan QX(袁清习); Huang WX(黄万霞); Zhang K(张凯); Hong YL(洪友丽); Wu ZY(吴自玉); Wang, ZL; Gao, K; Zhu, PP; Yuan, QX; Huang, WX; Zhang, K; Hong, YL; Ge, X; Wu, ZY
刊名JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
2011
卷号184期号:3-6页码:342-345
关键词X-ray imaging Phase contrast Talbot-Lau interferometer Polychromatic
学科分类Spectroscopy
DOI10.1016/j.elspec.2010.12.009
通讯作者[Wang, Zhili ; Zhu, Peiping ; Yuan, Qingxi ; Huang, Wanxia ; Zhang, Kai ; Hong, Youli ; Wu, Ziyu] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Gao, Kun ; Ge, Xin ; Wu, Ziyu] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China
文章类型Article
英文摘要X-ray phase contrast imaging has been demonstrated to have an improved contrast over conventional absorption imaging for those weakly absorbing objects. However, most of the hard X-ray phase-sensitive imaging has so far been impractical with laboratory available X-ray sources. Grating-based phase imaging approach has the prominent advantage that polychromatic laboratory X-ray generators can be efficiently used in a Talbot-Lau configuration. Through numerical simulations, we demonstrate here the efficient use of polychromatic X-ray laboratory sources for differential phase contrast imaging. The presented results explain why in recently reported experiments, polychromatic X-ray tubes could be efficiently used in a Talbot-Lau interferometer. Furthermore, the results indicate that the fractional Talbot distance is not limited by the polychromaticity of the X-ray source. Since the sensitivity of phase measurements is proportional to the fractional Talbot distance, the image quality for phase measurements can be further improved. Finally, the potential optimizations of the imaging system are discussed from an application perspective, taking into consideration both available X-ray flux and compactness of the system. (C) 2010 Elsevier B.V. All rights reserved.
类目[WOS]Spectroscopy
研究领域[WOS]Spectroscopy
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语种英语
WOS记录号WOS:000292173400060
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被引频次:3[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/311005/237066
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_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,Yuan QX,et al. Grating-based X-ray phase contrast imaging using polychromatic laboratory sources[J]. JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA,2011,184(3-6):342-345.
APA 王志立.,朱佩平.,袁清习.,黄万霞.,张凯.,...&Wu, ZY.(2011).Grating-based X-ray phase contrast imaging using polychromatic laboratory sources.JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA,184(3-6),342-345.
MLA 王志立,et al."Grating-based X-ray phase contrast imaging using polychromatic laboratory sources".JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA 184.3-6(2011):342-345.
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