期刊
JOURNAL OF MICROSCOPY
卷 206, 期 -, 页码 33-40出版社
WILEY
DOI: 10.1046/j.1365-2818.2002.01010.x
关键词
holography; phase contrast; phase retrieval; point-projection microscopy; X-ray microscopy
类别
We demonstrate simultaneous phase and amplitude extraction from a single defocused image of a homogeneous object. Subject to the assumptions explicitly stated in the derivation, the algorithm solves the twin-image problem of in-line holography and is capable of analysing data obtained using X-ray microscopy, electron microscopy, neutron microscopy or visible-light microscopy, especially as they relate to defocus and point projection methods. Our simple, robust, non-iterative and computationally efficient method is applied to data obtained using an X-ray phase contrast ultramicroscope.
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