Radiation from the Open-ended Over-moded Cylindrical Waveguide

Conference Paper (2024)
Author(s)

Twori Dash (TU Delft - Microwave Sensing, Signals & Systems)

D. Prinsloo (Eindhoven University of Technology)

A.G. Yarovoy (TU Delft - Microwave Sensing, Signals & Systems)

Microwave Sensing, Signals & Systems
DOI related publication
https://doi.org/10.46620/ursiatrasc24/qeut4611
More Info
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Publication Year
2024
Language
English
Microwave Sensing, Signals & Systems
ISBN (electronic)
978-9-4639-6-8102
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Abstract

The theory of radiation from an open-ended circular crosssection waveguide is extended by including the excitation of all possible higher-order waveguide modes at the waveguide-to- free-space boundary. The theoretical expressions are formulated using spectral-domain techniques. The validation is performed using the existing commercial tool FEKO with the Method of Moments (MoM) solver for a cylindrical waveguide with the fundamental mode excitation (TE11) and the corresponding higher-order mode, which has the same azimuthal variation as of the fundamental mode, which is (TE12).

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