Numerical method for investigating the propagation of surface waves on dissipative guides

1 March 1974

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE

Vol. 62 (3) , 402-403
https://doi.org/10.1109/PROC.1974.9432

Abstract

A finite-element method is developed to investigate surface waveguides of complicated shapes in the presence of dissipative materials. The complex propagation constants for axially symmetric TM surface-wave modes on a conducting wire and on a lossy dielectric rod are determined. The results are compared with analytical results and in the case of the dielectric rod, the calculation is extended beyond the limits of accuracy of the perturbation method.

Keywords

SURFACE WAVES
DIELECTRIC LOSSES
FINITE ELEMENT METHODS
SHAPE
CONDUCTING MATERIALS
DIELECTRIC MATERIALS
PROPAGATION CONSTANT
WIRE
PROPAGATION LOSSES
PERTURBATION METHODS

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