Control of single-mode operation in a circular waveguide filled by a longitudinally magnetized gyroelectromagnetic medium

Volodymyr I. Fesenko, Vladimir R. Tuz, Illia V. Fedorin, Hong-Bo Sun, Valeriy M. Shulga and Wei Han

Journal of Electromagnetic Waves and Applications, 2017, vol. 31, issue 13, 1265-1276

Abstract: A substantial control of dispersion features of the hybrid EH01$ _{01} $ and HE11$ _{11} $ modes of a circular waveguide which is completely filled by a longitudinally magnetized composite finely-stratified ferrite-semiconductor structure is discussed. A relation between the resonant conditions of such a composite gyroelectromagnetic filling of the circular waveguide and dispersion features of the supported modes are studied. Three distinct frequency bands with the single-mode operation under normal as well as anomalous dispersion conditions of the EH01$ _{01} $ mode are identified by solving an optimization problem with respect to the filling factors of the composite medium. The possibility of achieving isolated propagation of the HE11$ _{11} $ mode is revealed.

Date: 2017
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DOI: 10.1080/09205071.2017.1346486

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