Effects of a cylindrical metallic cavity on the radiation of longitudinally-polarized limited-diffractive Bessel beams

This letter deals with the problem of evaluating the effect of a cylindrical metallic cavity on the radiation of a planar longitudinally-polarized Bessel beam launcher, as it could arise in applications related to microwave heating or plasma ignition. A full analytical model is developed to extract...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2023-03, Vol.22 (3), p.1-5
Main Authors: Pavone, Santi C., Donato, Loreto Di, Sorbello, Gino
Format: Article
Language:English
Subjects:
Analytical models
Beams (radiation)
Bessel beam
Electromagnetic heating
Green's function
Magnetic domains
Manganese
Mathematical models
metallic cavity
near-field
Plasmas
radiation
Voltage
Wireless communication
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Summary:This letter deals with the problem of evaluating the effect of a cylindrical metallic cavity on the radiation of a planar longitudinally-polarized Bessel beam launcher, as it could arise in applications related to microwave heating or plasma ignition. A full analytical model is developed to extract fundamental physics insight of the problem at hand. Full-wave numerical simulations by COMSOL Multiphysics are used to validate the proposed model, showing fair agreement between simulations and theoretical predictions.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2022.3221889