Title :
Scattering of arbitrarily polarized plane waves obliquely incident on infinite slots or strips in a planar-stratified medium
Author :
Tsalamengas, John L.
Author_Institution :
Dept. of Electr. Eng., Nat. Tech. Univ. of Athens, Greece
fDate :
11/1/1998 12:00:00 AM
Abstract :
An exact analysis of three-dimensional scattering by a slot or by a strip right on an interface between two adjacent layers of a planar stratified isotropic medium is presented. The most general case of arbitrarily polarized obliquely incident plane waves is considered. The formulation is based on systems of singular integral-integrodifferential equations (SIE-SIDE). These systems are discretized with the help of two independent algorithms developed by Tsalamengas (see ibid. vol.46, p.1560-70, 1998). Filling up the matrix elements involves rapidly convergent spectral integrals. The expression of the far-radiated field is derived and numerical results are presented for several cases
Keywords :
convergence of numerical methods; electromagnetic fields; electromagnetic wave diffraction; electromagnetic wave polarisation; electromagnetic wave scattering; inhomogeneous media; integral equations; integro-differential equations; EM diffraction; algorithms; convergent spectral integrals; far-radiated field; infinite slots; infinite strips; interface; matrix elements; obliquely incident waves; planar stratified isotropic medium; polarized plane waves; singular integral-integrodifferential equations; three-dimensional scattering; Current density; Electromagnetic scattering; Filling; Geometry; Integral equations; Kernel; Nonhomogeneous media; Polarization; Strips; Transmission line matrix methods;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
