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Analysis of open optical and microwave guides of arbitrary transverse permittivity profiles
Author(s) -
Davies J. B.,
Rahman B. M. A.
Publication year - 1984
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/rs019i005p01245
Subject(s) - permittivity , microwave , transverse plane , waveguide , anisotropy , skew , tensor (intrinsic definition) , optics , transverse mode , matrix (chemical analysis) , physics , finite element method , mathematical analysis , dielectric , mathematics , computer science , materials science , geometry , telecommunications , optoelectronics , engineering , structural engineering , laser , composite material , thermodynamics
A full vector H field finite element formulation has been developed for the analysis of a wide range of uniform guided wave problems. It deals with microwave or optical structures where the permittivity has arbitrary variation in the transverse cross section. The permittivity can have a tensor of arbitrary anisotropy, limited only to being loss‐free. Infinite elements have been introduced to represent well the fields in an open type of waveguide. A matrix algorithm is used which takes complete advantage of the matrices' sparsity. Computed results are illustrated with optical channel and rib guide, image guide, and waveguide containing a skew uniaxial dielectric.