Author(s) |
Gureyev, Timur
Nesterets, Yakov
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Publication Date |
2017
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Abstract |
We describe the relationship between different forms of linearized expressions for the spatial distribution of intensity of X-ray projection images obtained in the Fresnel region. We prove that under the natural validity conditions some of the previously published expressions can be simplified without a loss of accuracy. We also introduce modified validity conditions which are likely to be fulfilled in many relevant practical cases, and which lead to a further significant simplification of the expression for the image-plane intensity, permitting simple non-iterative linear algorithms for the phase retrieval.
|
Citation |
Optics Communications, v.405, p. 394-399
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ISSN |
1873-0310
0030-4018
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Link | |
Publisher |
Elsevier BV
|
Title |
Linear algorithms for phase retrieval in the Fresnel region. 3. Validity conditions
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Type of document |
Journal Article
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Entity Type |
Publication
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