Angular signal radiography
Li, PY; Zhang, K; Bao, Y; Ren, YQ; Ju, ZQ; Wang, Y; He, QL; Zhu, ZZ; Huang, WX; Yuan, QX; Zhu, PP; Zhu, PP (reprint author), Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Lab Xray Opt & Technol, Beijing 100049, Peoples R China.; Zhu, PP (reprint author), Beijing Ctr Math & Informat Interdisciplinary Sci, Beijing 100048, Peoples R China.
2016
发表期刊OPTICS EXPRESS
ISSN1094-4087
卷号24期号:6页码:5829—5845
文章类型期刊文献
摘要Microscopy techniques using visible photons, x-rays, neutrons, and electrons have made remarkable impact in many scientific disciplines. The microscopic data can often be expressed as the convolution of the spatial distribution of certain properties of the specimens and the inherent response function of the imaging system. The x-ray grating interferometer (XGI), which is sensitive to the deviation angle of the incoming x-rays, has attracted significant attention in the past years due to its capability in achieving x-ray phase contrast imaging with low brilliance source. However, the comprehensive and analytical theoretical framework is yet to be presented. Herein, we propose a theoretical framework termed angular signal radiography (ASR) to describe the imaging process of the XGI system in a classical, comprehensive and analytical manner. We demonstrated, by means of theoretical deduction and synchrotron based experiments, that the spatial distribution of specimens' physical properties, including absorption, refraction and scattering, can be extracted by ASR in XGI. Implementation of ASR in XGI offers advantages such as simplified phase retrieval algorithm, reduced overall radiation dose, and improved image acquisition speed. These advantages, as well as the limitations of the proposed method, are systematically investigated in this paper. (C) 2016 Optical Society of America
关键词Ray Phase-contrast Multiple-image Radiography White Synchrotron-radiation Grating Interferometer Talbot Interferometry Computed-tomography Algorithm Retrieval Noise
DOI10.1364/OE.24.005829
收录类别SCI
语种英语
WOS记录号WOS:000373395700042
引用统计
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.sinap.ac.cn/handle/331007/25648
专题中科院上海应用物理研究所2011-2018年
通讯作者Zhang, K; Zhu, PP (reprint author), Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Lab Xray Opt & Technol, Beijing 100049, Peoples R China.; Zhu, PP (reprint author), Beijing Ctr Math & Informat Interdisciplinary Sci, Beijing 100048, Peoples R China.
推荐引用方式
GB/T 7714
Li, PY,Zhang, K,Bao, Y,et al. Angular signal radiography[J]. OPTICS EXPRESS,2016,24(6):5829—5845.
APA Li, PY.,Zhang, K.,Bao, Y.,Ren, YQ.,Ju, ZQ.,...&Zhu, PP .(2016).Angular signal radiography.OPTICS EXPRESS,24(6),5829—5845.
MLA Li, PY,et al."Angular signal radiography".OPTICS EXPRESS 24.6(2016):5829—5845.
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