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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
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ISSN | 1094-4087 |
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 |
DOI | 10.1364/OE.24.005829 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000373395700042 |
引用统计 | |
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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