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Scattering by Two-Dimensional Rectangular Resistive Plane Gratings with Anisotropic Slab
Masamitsu ASAI Jiro YAMAKITA Shinnosuke SAWA Junya ISHII
IEICE TRANSACTIONS on Electronics
Publication Date: 1995/10/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic Theory)
scattering, grating, patch, array, anisotropic,
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We present a 44 matrix-based analysis of scattering form a two-dimensional rectangular resistive plane gratings placed on an anisotropic dielectric slab. The solution procedure used is formulated by extending the 44 matrix approach. The fields are expanded in terms of two-dimensional Floquet modes. Total fields can be given as sum of primary and secondary fields whose expression are obtained through eigenvalue problem of coupled wave matrix. Unknown currents on resistive patches are determined by applying Galerkin's method to the resistive boundary condition on resistive grating. Results are compared with other numerical examples available in the literature for isotropic cases. Further, numerical calculation are performed in the case of gratings with polar-type anisotropic slab.