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Progress of diffraction enhanced imaging at the Beijing Synchrotron Radiation Facility
Zhang K(张凯); Zhu PP(朱佩平); Yuan QX(袁清习); Huang WX(黄万霞); Liu XS(刘小松); Hong YL(洪友丽); Wang ZL(王志立); Wu ZY(吴自玉); Zhang, K; Zhu, PP; Yuan, QX; Huang, WX; Liu, XS; Hong, YL; Gao, G; Ge, X; Wang, ZL; Wu, ZY
Corresponding Author[Zhang, Kai ; Zhu, Peiping ; Yuan, Qingxi ; Huang, Wanxia ; Liu, Xiaosong ; Hong, Youli ; Wang, Zhili ; Wu, Ziyu] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China ; [Gao, Gun ; Ge, Xin ; Wu, Ziyu] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China
AbstractA simple framework that allows a new general diffraction enhanced imaging (DEI) equation to be derived is presented. This latter equation may explain all open problems associated with the equation introduced by Chapman and those not explained by the first DEI equation, such as the noise background due to the small-angle scattering reflected by the analyzer. Combing the DEI equation with computed tomography (CT) theory, we propose a new DEI-CT formula that explains qualitatively the contour contrast caused by extinction of the refraction. Two formulae with a new method to extract the refraction angle are also introduced. Within this new theoretical framework the three components of the gradient of the refractive index can be reconstructed.
KeywordPhase-contrast image Computed technology Diffraction-enhanced imaging Synchrotron radiation
Subject AreaBiochemistry & Molecular Biology; Chemistry
Indexed BySCI
WOS Research AreaBiochemistry & Molecular Biology ; Chemistry
WOS SubjectBiochemical Research Methods ; Chemistry, Analytical
WOS IDWOS:000279453000005
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Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Zhang K,Zhu PP,Yuan QX,et al. Progress of diffraction enhanced imaging at the Beijing Synchrotron Radiation Facility[J]. ANALYTICAL AND BIOANALYTICAL CHEMISTRY,2010,397(6):2067-2078.
APA 张凯.,朱佩平.,袁清习.,黄万霞.,刘小松.,...&Wu, ZY.(2010).Progress of diffraction enhanced imaging at the Beijing Synchrotron Radiation Facility.ANALYTICAL AND BIOANALYTICAL CHEMISTRY,397(6),2067-2078.
MLA 张凯,et al."Progress of diffraction enhanced imaging at the Beijing Synchrotron Radiation Facility".ANALYTICAL AND BIOANALYTICAL CHEMISTRY 397.6(2010):2067-2078.
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