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Proceedings Paper

Gaussian-like shaping of coherent synchrotron x-rays: 3D diffraction at a 90-degree Bragg reflection
Author(s): Andrei Y. Nikulin; Alexei Y. Souvorov
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Paper Abstract

Gaussian-like shaping of the forward-diffracted intensity was observed from an initially rectangular cross-section of coherent x-rays. The effect occurs when a wavelength inside a crystal exactly matches the period of atomic net planes lying perpendicular to the incident beam. The transmitted peak intensity rose when the lateral width of the rectangular-shaped incident beam increased. The transmitted intensity profile spatially was significantly narrower than that of the incident beam size. The observations showed that, unlike in all other x-ray diffraction experiments, coherent and incoherent x-rays produced different dependences of the peak intensity and its width on the incident beam size.

Paper Details

Date Published: 11 August 2008
PDF: 8 pages
Proc. SPIE 7057, The Nature of Light: Light in Nature II, 705702 (11 August 2008); doi: 10.1117/12.795954
Show Author Affiliations
Andrei Y. Nikulin, Monash Univ. (Australia)
Alexei Y. Souvorov, JASRI/SPring-8 (Japan)

Published in SPIE Proceedings Vol. 7057:
The Nature of Light: Light in Nature II
Katherine Creath, Editor(s)

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