Full-Wave Analysis of Dielectric-Loaded Cylindrical Waveguides and Cavities Using a New Four-Port Ring Network

In this paper, a full-wave method for the electromagnetic analysis of dielectric-loaded cylindrical and coaxial waveguides and cavities is developed. For this purpose, a new four-port ring network is proposed, and the mode-matching method is applied to calculate the generalized admittance matrix of...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2012-09, Vol.60 (9), p.2730-2740
Main Authors: Penaranda-Foix, F. L., Janezic, M. D., Catala-Civera, J. M., Canos, A. J.
Format: Article
Language:English
Subjects:
Applied sciences
Cavity resonators
Circuit analysis
Circuit properties
Coaxial waveguides
Dielectric measurements
dielectric resonator
dielectric-loaded waveguides
Dielectrics
Electric, optical and optoelectronic circuits
electromagnetic modeling
Electromagnetic waveguides
Electronics
Exact sciences and technology
Holes
Mathematical models
Microwave circuits
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
microwave filter
Microwave measurements
Microwaves
mode matching (MM)
Networks
Simulators
Theoretical study. Circuits analysis and design
Waveguides
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Summary:In this paper, a full-wave method for the electromagnetic analysis of dielectric-loaded cylindrical and coaxial waveguides and cavities is developed. For this purpose, a new four-port ring network is proposed, and the mode-matching method is applied to calculate the generalized admittance matrix of this new structure. A number of analyses on dielectric-loaded waveguide structures and cavities have been conducted in order to validate and to assess the accuracy of the new approach. The results have been compared with theoretical values, numerical modeling from the literature, and data from commercial electromagnetic simulators. The method has been also applied to the accurate determination of dielectric properties, and we provide an example of these measurements as another way to validate this new method.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2012.2206048