Cutoff Wavenumbers of Elliptical Waveguide Loaded With Non-Confocal Elliptic Metallic Core

The elliptical waveguide loaded with non-confocal metallic core was analyzed as a boundary value problem. An infinite determinant which represents the characteristic equation is obtained. To obtain the cutoff wavenumbers for both TE and TM cases of such a structure, the infinite determinant is trunc...

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Bibliographic Details
Published in:Journal of electromagnetic waves and applications 2001-01, Vol.15 (1), p.25-39
Main Authors: Ragheb, H.A., Hamid, A.-K.A.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Waveguides, transmission lines, striplines
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Summary:The elliptical waveguide loaded with non-confocal metallic core was analyzed as a boundary value problem. An infinite determinant which represents the characteristic equation is obtained. To obtain the cutoff wavenumbers for both TE and TM cases of such a structure, the infinite determinant is truncated. Convergence when truncating was observed. Numerical results for the special case of suspended strip inside an elliptical waveguide is produced first, for comparison with published data. Results of other general cases are then presented.
ISSN:0920-5071
1569-3937
DOI:10.1163/156939301X00607