Novel integral equation formulation for the analysis of capacitive waveguide filters containing dielectric objects

A new integral equation formulation is presented for the analysis of capacitive waveguide components, including metallic and dielectric objects. The technique exploits the symmetry of the structure by formulating a 2D scattering problem with oblique angle of incidence. As a consequence, the analysis...

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Bibliographic Details
Main Authors: Vera, P., Quesada, F. D., Alvarez Melcon, Alejandro, Martinez Ros, A., Tornero, J. L. G., Gimeno, B., Boria Esbert, V. E.
Format: Conference Proceeding
Language:English
Subjects:
Dielectrics
Electromagnetic waveguides
Finite element methods
Integral equations
Magnetic materials
Microwave filters
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Summary:A new integral equation formulation is presented for the analysis of capacitive waveguide components, including metallic and dielectric objects. The technique exploits the symmetry of the structure by formulating a 2D scattering problem with oblique angle of incidence. As a consequence, the analysis of complex waveguide capacitive devices results to be very efficient, as compared to other 3D numerical techniques. As practical application, the paper proposes a low-pass filter loaded with dielectric and magnetic materials. Results are validated with commercial full-wave simulators showing the validity and accuracy of the novel integral equation technique.
ISSN:1522-3965
1947-1491
DOI:10.1109/APS.2011.5996676