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Abstract <p>Based on the solution of a nonlinear 3D diffraction problem (Maxwell’s equations combined with the equation of motion of the magnetization vector in a ferromagnet) using a computational algorithm developed using the cross-sectional method, mathematical modeling of the diffraction and interaction of microwaves with a nonlinear gyromagnetic (ferrite) inclusion in a strip-slot line has been performed. Using the nonlinear autonomous block method, results have been obtained based on electrodynamic calculations of the amplitudes of reflected (at the input cross sections of the nonlinear gyromagnetic inhomogeneity) second-harmonic waves depending on the longitudinal size of the ferrite inclusion at various amplitudes of the incident (fundamental mode) first-harmonic wave.</p>

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Mathematical Modeling of Diffraction of Electromagnetic Waves on a Nonlinear Gyromagnetic Discontunity in a Waveguiding Structure

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • G. S. Makeeva

摘要

Abstract

Based on the solution of a nonlinear 3D diffraction problem (Maxwell’s equations combined with the equation of motion of the magnetization vector in a ferromagnet) using a computational algorithm developed using the cross-sectional method, mathematical modeling of the diffraction and interaction of microwaves with a nonlinear gyromagnetic (ferrite) inclusion in a strip-slot line has been performed. Using the nonlinear autonomous block method, results have been obtained based on electrodynamic calculations of the amplitudes of reflected (at the input cross sections of the nonlinear gyromagnetic inhomogeneity) second-harmonic waves depending on the longitudinal size of the ferrite inclusion at various amplitudes of the incident (fundamental mode) first-harmonic wave.