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Title: Comparison of Three Theoretical Approaches to Quantitative Analyzer-Based Imaging
Contributor(s): Nesterets, Yakov  (author); Gureyev, Timur  (author)orcid ; Pavlov, Konstantin M  (author)orcid ; Paganin, D M (author); Lewis, R A (author); Wilkins, S W (author)
Publication Date: 2005
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Abstract: We present a comprehensive analysis, comparison and refinement of three new methods for quantitative X-ray phase-contrast imaging using analyzer crystals. The first method is a new version of the geometric optics approximation for dynamical diffraction, which takes into account the variation of the incident intensity as well as the phase. The second method is based on the linearization of the Takagi transfer function, while the third represents a special variant of the Born approximation with relaxed validity conditions. We compare the methods theoretically as well as using numerically simulated images.
Publication Type: Journal Article
Source of Publication: Rossiiskaya Akademiya Nauk: Izvestiya Seriya Fizicheskaya [Bulletin of the Russian Academy of Sciences: Physics], 69(2), p. 246-252
Publisher: Izdatel'stvo Nauka
Place of Publication: Russian Federation
ISSN: 1934-9432
Field of Research (FOR): 020599 Optical Physics not elsewhere classified
Socio-Economic Outcome Codes: 861503 Scientific Instruments
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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