Title

Analysis and Design of Folded Waveguide as Feeder for Planar Radiating Structure

Publication Date

1-1-1999

Document Type

Article

Abstract

Transmission characteristics of a folded waveguide structure, which consists a bifurcating metal plate with finite thickness between the lower and the upper metal plate guides and being placed unsymmetrically in the cross-sectional plane in general, are investigated theoretically by using mode matching technique for the application as a feeder for any planar radiating structure. A novel technique is proposed in which the inclusion of step junctions in the folded waveguide portion play an essential role in minimizing reflections caused by the presence of finite thickness of the bifurcating metal plate as well as the unsymmetry in the folded portion and hence, a complete power transmission could be achieved. Based on the numerical computations some practical structures which could be applied as feeders for plasma generating devices are designed and the perfect matching performances are demonstrated.

Publication Title

Journal of Electromagnetic Waves and Applications

Volume

13

Issue

6

First Page

767

Last Page

780

DOI

10.1163/156939399X01320

Version

pre print, post print

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