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Proceedings Paper

Scattering of electromagnetic waves from one-dimensionally rough surfaces containing surface resonant structures
Author(s): Arthur R. McGurn; Rosa A. Fitzgerald; Granville Sewell
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Paper Abstract

The elastic scattering of electromagnetic waves from a rough surface containing resonant structures is studied as a function of the frequency of the incident light. A diagrammatic perturbation theory treatment is used. The surface consists of a planar vacuum-metal or vacuum-dielectric interface upon which an array of identical cylindrical dielectric ridges are randomly placed. The axes of the ridges are parallel to one another so that the translational symmetry of the surface is maintained along one axis in the surface, and the scattering of p-polarized radiation within a scattering plane perpendicular to the axes of the ridges is treated. The ridges are composed of a medium which undergoes a dielectric resonance as a function of frequency. The frequencies of the surface shape resonance modes bound to the dielectric ridges are computed for a surface supporting a single dielectric ridge. For the surface supporting a random array of dielectric ridges the specular scattering and diffuse scattering are computed for frequencies in the neighborhood of the dielectric resonance of the dielectric material forming the Gaussian ridges.

Paper Details

Date Published: 26 September 2000
PDF: 8 pages
Proc. SPIE 4100, Scattering and Surface Roughness III, (26 September 2000); doi: 10.1117/12.401655
Show Author Affiliations
Arthur R. McGurn, Western Michigan Univ. (United States)
Rosa A. Fitzgerald, Univ. of Texas/El Paso (United States)
Granville Sewell, Univ. of Texas/El Paso (United States)

Published in SPIE Proceedings Vol. 4100:
Scattering and Surface Roughness III
Zu-Han Gu; Alexei A. Maradudin, Editor(s)

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