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Article type: Research Article
Authors: Davis, T. J.
Affiliations: CSIRO Division of Materials Science and Technology, Private Bag 33, Rosebank MDC, Clayton, Victoria 3169, Australia
Note: [] E-mail: tjd@mlb.dmt.csiro.au.
Abstract: The imaging properties of perfect crystals, used for controlling and directing x-ray beams in imaging systems, are analyzed using optical transfer functions. The optical transfer functions are related to the point-spread functions for the crystal imaging system and are derived from a one-dimensional Fourier transform of the Takagi—Taupin equations. Images obtained using diffracting crystals as optical elements are simulated for the Laue and Bragg geometries using a Fourier transform method and the imaging characteristics of each of these crystal configurations are analyzed. It is demonstrated that the perfect crystals act as spatial filters of the object wave.
DOI: 10.3233/XST-1996-6402
Journal: Journal of X-Ray Science and Technology, vol. 6, no. 4, pp. 317-342, 1996
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