Calculation of the Scattering Characteristics of Gaussian Wave Beams in Two-Dimensional Periodic Structures

A. V. Gribovsky, O. A. Yeliseyev

Abstract


An algorithm is developed for calculating the electromagnetic characteristics of the scattering of three-dimensional Gaussian linearly polarized wave beam on the plane two-dimensional periodic structures. The incident beam spectral functions depending on its parameters have been obtained and studied. Frequency dependences of the reflection intensity of a plane wave and wave beam for normal incidence on a plane screen of finite thickness with rectangular openings are compared. For the cases of normal incidence of a circular beam, the field patterns of beams scattered on a plane two-dimensional periodic finitely thick screen with rectangular openings have been calculated. The electromagnetic field pattern narrowing effect of the transmitted beam has been found.

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References


Грибовский А.В. Расчет характеристик рассеяния гауссовых волновых пучков на двумерно-периодических структурах / А.В. Грибовский, О.А. Елисеев // Радиофизика и радиоастрономия. — 2011. — Т. 16, № 3. — С. 282-292.




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