Theoretical study of enhanced specular peaks in diffuse scattering from weakly rough metal surfaces

Kevin A. O'Donnell; Eugenio R. Mendez

doi:10.1117/12.526928

19 November 2003 Theoretical study of enhanced specular peaks in diffuse scattering from weakly rough metal surfaces

Kevin A. O'Donnell, Eugenio R. Mendez

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.526928
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

If a weakly rough metal surface is illuminated by a light wave, the excitation of surface plasmon polaritons may produce unusual effects like backscattering enhancement in the diffuse light scattered from the surface. We discuss that, under similar conditions, the diffuse distribution contains a second peak that lies at the specular angle. With the help of both perturbation theory and Monte Carlo calculations, we study the specular peak for a variety of rough surface parameters. To provide guidance to future experiments, we investigate the optimal parameters for producing a distinct and observable specular peak.

Citation Download Citation

Kevin A. O'Donnell and Eugenio R. Mendez "Theoretical study of enhanced specular peaks in diffuse scattering from weakly rough metal surfaces", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.526928

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