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Proceedings Paper

Grazing-Incidence Optics For Synchrotron-Radiation Insertion-Device Beams
Author(s): Victor Rehn
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Paper Abstract

The reduction of scattering, especially near-specular scattering, constitutes one of the major challenges to the grazing-incidence optics community for either x-ray astronomy or synchrotron-radiation applications. In this paper, the theoretical predictions of angular scattering by microfacets in the surface (facet-model scattering), and by diffraction from surface microirregularities (diffractive-model scattering) are examined. The differences between these two theories is discussed for the case of grazing-incidence optics. By using a simple normalization to minimize the effects of the approximations made in the first-order diffractive-scattering theory, three approximate scaling or invariance rules are derived for the near-specular angular distribution of scattering. If verified experimentally, these rules will facilitate the extrapolation of near-specular angular scattering from one set of operational conditions to another.

Paper Details

Date Published: 21 October 1986
PDF: 10 pages
Proc. SPIE 0640, Grazing Incidence Optics, (21 October 1986); doi: 10.1117/12.964362
Show Author Affiliations
Victor Rehn, Naval Weapons Center (United States)

Published in SPIE Proceedings Vol. 0640:
Grazing Incidence Optics
John F. Osantowski; Leon P. Van Speybroeck, Editor(s)

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