SPECTRAL REPRESENTATION OF SELF-ADJOINT PROBLEMS FOR LAYERED ANISOTROPIC WAVE-GUIDES

被引：8

作者：

PAIVA, CR ^{[1
]}

BARBOSA, AM ^{[1
]}

机构：

[1] UNIV TEN LISBOA,INST SUPER TECN,CTR ANAL & PROC SINAIS,P-1096 LISBON,PORTUGAL

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1991年 / 39卷 / 02期

关键词：

D O I：

10.1109/22.102978

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Layered waveguides with lossless anisotropic layers in the polar configuration are analyzed through the unifying concept of a real self-adjoint operator. For a suitable definition of two-vector transverse eigenfunctions, general properties such as orthogonality and completeness relations are derived. The linear operator formalism is applied to closed waveguides inhomogeneously filled with anisotropic materials, including crystals and gyrotropic media. As an extension of the former theory to open waveguides, a grounded uniaxial dielectric slab with a coplanar optic axis is also analyzed: as for open isotropic waveguides, a complete spectral representation including the surface (proper eigenfunctions) as well as the pseudosurface modes (improper eigenfunctions) is presented.

引用

页码：330 / 338

页数：9

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