Abstract

The extinction theorem has been applied to the study of wave scattering from a non-single-valued surface composed of an infinitely long cylinder on a flat substrate, both of which are assumed to be perfect conductors. Cylinder diameters ranging from 0.1 to 4λ (λ being the incident wavelength) are considered. The calculation method is discussed for this kind of geometry. The study has been performed for both S (perpendicular) and P (parallel) polarizations when the direction of an incident Gaussian beam is perpendicular to the cylinder axis and the direction of the scattered wave is in the plane of incidence. The surface-current density on the flat substrate and on the cylinder has also been analyzed.

© 1994 Optical Society of America

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