Theory of light scattering from rough surfaces and from volume inhomogeneities in an optical layer stack

Karl Hehl; Samer Kassam; P. Bussemer

doi:10.1117/12.34853

1 July 1990 Theory of light scattering from rough surfaces and from volume inhomogeneities in an optical layer stack

Karl Hehl, Samer Kassam, P. Bussemer

Proceedings Volume 1319, Optics in Complex Systems; (1990) https://doi.org/10.1117/12.34853
Event: 15th International Optics in Complex Systems, 1990, Garmisch, Germany

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.

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Karl Hehl, Samer Kassam, and P. Bussemer "Theory of light scattering from rough surfaces and from volume inhomogeneities in an optical layer stack", Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); https://doi.org/10.1117/12.34853

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