Abstract

A physical mechanism is proposed for the explanation of the angular shift of the Brewster angle induced by a rough surface as recently discovered by Saillard and Maystre [J. Opt. Soc. Am. A 7, 982 (1990)]. An explicit formula giving the angular shift as a function of the correlation length σ and the mean-square departure from the flat surface δ is derived. It is shown that in the case of a rough surface, a minimum rather than a true zero is obtained for the reflection factor.

© 1992 Optical Society of America

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