PEC-PMC Baffle Inside Circular Cross Section Waveguide for Reduction of Cut-Off Frequency

Anuj Y. Modi; Constantine Balanis

doi:10.1109/LMWC.2016.2524529

PEC-PMC Baffle Inside Circular Cross Section Waveguide for Reduction of Cut-Off Frequency

Anuj Y. Modi, Constantine Balanis

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

A design and position of a baffle placed inside a circular waveguide is presented which leads to the lowest possible cutoff frequency. The reduction in the cutoff frequency is achieved by having one side of the baffle be PEC while the other is PMC. The introduction of PMC boundary conditions leads to unique eigenvalues for the dominant mode resulting in 66% reduction in the cutoff frequency compared to that of a circular waveguide with a baffle with PEC surfaces on both sides and 41.7% reduction in the cutoff frequency compared to that of an empty waveguide. An e^jωt time convention is used.

Original language	English (US)
Journal	IEEE Microwave and Wireless Components Letters
DOIs	https://doi.org/10.1109/LMWC.2016.2524529
State	Accepted/In press - Mar 1 2016

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

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