Abstract

Fundamentals of the electromagnetic theory of flat impedance strip gratings (FISG) are presented. The problem of wave scattering by FISG is treated in the classical full-wave formulation with the aid of the integral equation technique. Several mathematical models are used to analyze electromagnetic wave interaction with FISG. Mathematically grounded asymptotic models of wave scattering by the simplest narrow-strip FISG deliver explicit solutions and are considered in details.

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