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A hybrid finite element integral equation approach for the eigenmode analysis of complex anisotropic dielectric waveguides
Author(s) -
Rogier Hendrik,
Olyslager Frank,
De Zutter Daniël
Publication year - 1996
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/96rs01052
Subject(s) - finite element method , anisotropy , mathematical analysis , dispersion relation , lossy compression , integral equation , bounded function , normal mode , dielectric , matrix (chemical analysis) , boundary value problem , dispersion (optics) , homogeneous , mathematics , physics , optics , acoustics , materials science , statistical physics , quantum mechanics , vibration , thermodynamics , statistics , composite material
This paper presents a full‐wave hybrid approach to analyze complex (lossy) dielectric open waveguides. The configuration consists of inhomogeneous and homogeneous regions and is bounded by open space. The inhomogeneous regions are analyzed by a finite element method and the homogeneous ones by a boundary integral equation technique. The presented method makes efficient use of the matrix sparsity originating from the finite elements. The technique is applied to obtain the dispersion characterics and eigenfield patterns of modes propagating in anisotropic waveguides.