Abstract
Resonant oscillations are considered in the spherical cavity with the uniform crystal medium and bounded by a non-perfect conductor. The Maxwell equations are reduced to the couple of wave equations each describing the TE and TH modes. We show that the crystal anisotropy affects only the TM modes. The solution of the wave equations satisfies the boundary conditions on the spherical surface that define the spherical characteristics of the resonant oscillations. New types if TM modes appear caused by the anisotropy of the medium. The analytical solution of the dispersion equation is considered in the form of continued fraction. Numerical results are presented demonstrating of natural frequencies of higher mode numbers.
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Eremenko, Z.E., Filipov, Y.F. Anisotropic Spherical Cavity Resonator I. Azimuthally Homogeneous Oscillations. International Journal of Infrared and Millimeter Waves 22, 1065–1074 (2001). https://doi.org/10.1023/A:1014908422700
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DOI: https://doi.org/10.1023/A:1014908422700