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Proceedings Paper

Theory of light scattering from rough surfaces and from volume inhomogeneities in an optical layer stack
Author(s): Karl Hehl; Samer Kassam; P. Bussemer
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Paper Abstract

The angular distribution o the irregularly reflected and trans mitted light gives informations about the deviations from an ideal flat layer stack structure which can be assumed either as inter'ace or surface roughnesses or as volume inhomogeneities in the layers itseLf. In a previous paper of Bosquet et al. /1/ the interrace roughness case has been discussed. The volume scattering case treated in the paper of Elson /2/ is only taken into consideration for a semi-infinite substrate with a special correlation function for the permitivity fluctuations. Our work follows the given lines of a perturbative treatment of scattered light but without assuming any special conditions for the origin of the scattering process. Therefore the well-known matrix description for the regurlarly reflected and transmitted light is extended to the problem o± the transition from exciting to scattered light defining bidirectional transmission and reflection coeffidents for the ratio between the scattered and exciting light waves. All four possible coefficients for the reflected or transmitted scattered light can be summarized in a two by two matrix.

Paper Details

Date Published: 1 July 1990
PDF: 4 pages
Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); doi: 10.1117/12.34853
Show Author Affiliations
Karl Hehl, Friedrich-Schiller-Univ. (Germany)
Samer Kassam, Friedrich-Schiller-Univ. (Germany)
P. Bussemer, Friedrich-Schiller-Univ. (Germany)

Published in SPIE Proceedings Vol. 1319:
Optics in Complex Systems
F. Lanzl; H.-J. Preuss; G. Weigelt, Editor(s)

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