Abstract

We have solved the problem of plane wave scattering by a finite gyrotropic magnetophotonic crystal in the Voigt configuration. To find an analytical solution, the method of the Floquet-Bloch wave theory with Cauchy boundary conditions for a one-dimensional magnetophotonic crystal and the transfer matrix method were used. The reflection and transmission coefficients are obtained in analytical form for arbitrary material parameters of the gyrotropic layers of the crystal. The field distributions within the finite crystal are found in explicit form. The regime of excitation of modified Zenneck-Sommerfeld waves and a new regime of unusual gyrotropic surface waves with positive values of the effective permittivity of one of the crystal layers are revealed. The features of the distribution of surface wave fields for the considered regimes of all Fabry–Perot modes at full transmission are studied. The nonreciprocal properties of the considered crystals are established depending on the incidence angle sign.

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