Departmental Papers (ESE)

Document Type

Conference Paper

Date of this Version

June 2003

Comments

Copyright 2003 IEEE. Reprinted from IEEE MTT-S International Microwave Symposium Digest, Volume 1, 2003, pages 313-316.
Publisher URL: http://ieeexplore.ieee.org/xpl/tocresult.jsp?isNumber=27238&page=4

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Abstract

Here we analyze guided wave propagation in a parallel-plate waveguide filled with a pair of parallel lossless slabs; one possessing negative real permittivity but positive real permeability, and the other with negative real permeability and positive real permittivity, in the range of frequency of interest. It is shown that such a waveguide can support only a single propagating mode, essentially independent of the total thickness of this structure. Furthermore, this waveguide can still possess a propagating mode even when its thickness is very small. Field distribution and dispersion relations in such a mono-modal waveguide are obtained and discussed with physical insights and intuitive description for the mathematical findings.

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Date Posted: 05 November 2004

This document has been peer reviewed.