Scattering of light by identical cavities ruled on a highly conducting surface

Diana C. Skigin; Ricardo A. Depine

doi:10.1117/12.354903

19 July 1999 Scattering of light by identical cavities ruled on a highly conducting surface

Diana C. Skigin, Ricardo A. Depine

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354903
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

We study the scattering of light from almost closed cylindrical cavities ruled on a highly conducting flat surface. We consider the case where the shape of each cavity can be described by an arbitrary multivalued function of the coordinates. By using the multilayer modal method, which combines the multilayer approximation with the R-matrix propagation algorithm, we investigate the electromagnetic response of this kind of scatterer when it is illuminated by s or p polarized plane waves. Our results show that for both polarizations this system exhibits a resonant behavior manifested by sharp variations in the curves of scattered intensity versus wavelength which are associated with strong intensifications of the near field. The wavelengths at which the resonance occur are intimately connected with the eigenmodes of a single cavity.

Citation Download Citation

Diana C. Skigin and Ricardo A. Depine "Scattering of light by identical cavities ruled on a highly conducting surface", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354903

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