NDLI: Spectral analysis of left-handed rectangular waveguides with dielectric-filled corrugations

Content Provider	IEEE Xplore Digital Library
Author	Eshrah, I.A. Kishk, A.A. Yakovlev, A.B. Glisson, A.W.
Copyright Year	1963
Abstract	The spectral analysis of an infinite rectangular waveguide with dielectric-filled transverse corrugations is performed to investigate supporting backward waves in this structure. The corrugations act as a capacitive immittance surface which provides a suitable environment for left-hand propagation to occur in an undersized rectangular waveguide having an inherent shunt inductance of the evanescent transverse electric dominant mode. The analysis of the corrugated waveguide is based on Floquet's theorem, where the problem is solved in terms of a unit cell; then Galerkin's projection technique is applied to reduce the integral equation to the matrix form. The dispersion relation and the modal field expressions are derived and, for the special case of wall-to-wall corrugations with single current harmonic, rather simpler expressions are obtained. The effect of the different design parameters on the dispersion characteristics is studied with emphasis on the left-hand propagation band. Some representative field plots of the dominant mode of the corrugated structure are depicted. Sample results are compared with Ansoft High Frequency Structure Simulator (HFSS) and with an equivalent circuit model developed for the same structure. The results exhibit very good agreement.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	3673
Ending Page	3683
Page Count	11
File Size	747877
File Format	PDF
ISSN	0018926X
Volume Number	53
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spectral analysis Rectangular waveguides Dielectrics Dispersion Surface waves Corrugated surfaces Shunt (electrical) Inductance Waveguide theory Integral equations spectral analysis Corrugated waveguide left-hand propagation metamaterial transmission lines
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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