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Polarization Diplexing by a Double Strip Grating Loaded with a Pair of Dielectric Slabs

Akira MATSUSHIMA, Tokuya ITAKURA

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Summary :

An accurate numerical solution is presented for the electromagnetic scattering from a double strip grating, where the strip planes are each supported by a dielectric slab. This structure is a model of polarization diplexers. The direction of propagation and the polarization of the incident plane wave are arbitrary. We derive a set of singular integral equations and solve it by the moment method, where the Chebyshev polynomials are successfully used as the basis and the testing functions. By numerical computations we examine the dependence of the diplexing properties on grating parameters in detail. The cross-polarization characteristics at skew incidence are also referred. From these results we construct an algorithm for the design of polarization diplexers.

Publication
IEICE TRANSACTIONS on Electronics Vol.E76-C No.3 pp.486-495
Publication Date
1993/03/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Electromagnetic Theory

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