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Title: Partially coherent contrast-transfer-function approximation
Contributor(s): Nesterets, Yakov  (author); Gureyev, Timur  (author)orcid 
Publication Date: 2016
DOI: 10.1364/josaa.33.000464
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Abstract: The contrast-transfer-function (CTF) approximation, widely used in various phase-contrast imaging techniques, is revisited. CTF validity conditions are extended to a wide class of strongly absorbing and refracting objects, as well as to nonuniform partially coherent incident illumination. Partially coherent free-space propagators, describing amplitude and phase in-line contrast, are introduced and their properties are investigated. The present results are relevant to the design of imaging experiments with partially coherent sources, as well as to the analysis and interpretation of the corresponding images.
Publication Type: Journal Article
Source of Publication: Optical Society of America. Journal A: Optics, Image Science, and Vision, 33(4), p. 464-474
Publisher: Optical Society of America
Place of Publication: United States of America
ISSN: 1520-8532
Field of Research (FOR): 020501 Classical and Physical Optics
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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