Variational finite element analysis of dielectric waveguides with no spurious solutions

6 December 1990

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 26 (25) , 2125-2126
https://doi.org/10.1049/el:19901367

Abstract

A new variational formulation for the analysis of dielectric waveguides is presented. This formulation provides a direct solution for the propagation constant using only the transverse components of the magnetic field and avoids spurious solutions. It allows treatment of lossy anisotropic dielectrics and leads to a canonical sparse matrix eigenvalue problem.

Keywords

TRANSVERSE COMPONENTS
VARIATIONAL FINITE ELEMENT ANALYSIS
CANONICAL SPARSE MATRIX EIGENVALUE PROBLEM
DIELECTRIC WAVEGUIDES
MAGNETIC FIELD
VARIATIONAL FORMULATION
PERMITTIVITY TENSOR
PROPAGATION CONSTANT
LOSSY ANISOTROPIC DIELECTRICS

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