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Quantitative phase retrieval in X-ray Zernike phase contrast microscopy
Chen, H; Wang, ZL; Gao, K; Hou, QY; Wang, DJ; Wu, ZY; Wu ZY(吴自玉)
Corresponding Author吴自玉
AbstractIn recent years, increasing attention has been devoted to X-ray phase contrast imaging, since it can provide high-contrast images by using phase variations. Among the different existing techniques, Zernike phase contrast microscopy is one of the most popular phase-sensitive techniques for investigating the fine structure of the sample at high spatial resolution. In X-ray Zernike phase contrast microscopy, the image contrast is indeed a mixture of absorption and phase contrast. Therefore, this technique just provides qualitative information on the object, which makes the interpretation of the image difficult. In this contribution, an approach is proposed for quantitative phase retrieval in X-ray Zernike phase contrast microscopy. By shifting the phase of the direct light by pi/2 and 3 pi/2, two images of the same object are measured successively. The phase information of the object can then be quantitatively retrieved by a proper combination of the measured images. Numerical experiments were carried out and the results confirmed the feasibility of the proposed method. It is expected that the proposed method will find widespread applications in biology, materials science and so on.
KeywordX-ray microscopy Zernike phase contrast phase retrieval phase ring
Subject AreaInstruments & Instrumentation; Optics; Physics
Indexed BySCI ; EI
WOS Research AreaInstruments & Instrumentation ; Optics ; Physics, Applied
WOS SubjectInstruments & Instrumentation ; Optics ; Physics
WOS IDWOS:000357407900023
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Document Type期刊论文
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GB/T 7714
Chen, H,Wang, ZL,Gao, K,et al. Quantitative phase retrieval in X-ray Zernike phase contrast microscopy[J]. JOURNAL OF SYNCHROTRON RADIATION,2015,22:1056-1061.
APA Chen, H.,Wang, ZL.,Gao, K.,Hou, QY.,Wang, DJ.,...&吴自玉.(2015).Quantitative phase retrieval in X-ray Zernike phase contrast microscopy.JOURNAL OF SYNCHROTRON RADIATION,22,1056-1061.
MLA Chen, H,et al."Quantitative phase retrieval in X-ray Zernike phase contrast microscopy".JOURNAL OF SYNCHROTRON RADIATION 22(2015):1056-1061.
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