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Proceedings Paper

Analysis of polarization properties of shallow metallic gratings by an extended Rayleigh-Fano theory
Author(s): Masato Koike; Takeshi Namioka
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Paper Abstract

Rayleigh-Fano theory has been extended for the purpose of calculating the polarization anomaly of a grating having shallow grooves and finite conductivity. Simple analytic formulas are derived for predicting the position and the appearance of the anomalies. Phenomenological explanations are given to the origin of the anomalies. The validity of our analysis is examined by comparing computed degree of polarization with experimental data obtained in the visible region for Al-, Ag-, and Au-coated blazed gratings.

Paper Details

Date Published: 1 October 1991
PDF: 7 pages
Proc. SPIE 1545, International Conference on the Application and Theory of Periodic Structures, (1 October 1991); doi: 10.1117/12.49404
Show Author Affiliations
Masato Koike, Lawrence Berkeley National Lab. (United States)
Takeshi Namioka, NASA/Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 1545:
International Conference on the Application and Theory of Periodic Structures
Jeremy M. Lerner; Wayne R. McKinney, Editor(s)

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