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Ferrite-filled cavity resonators

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Abstract

An approximation technique is developed for the electromagnetic resonances and electric fields inside a cavity of arbitrary shape whose walls are perfectly conducting and which is filled with a lossless ferrite. Operator notation is introduced and it is proved that the operator for this problem is self-adjoint. A variational expression is introduced and this functional is minimized by employing the Rayleigh-Ritz technique. The solution is in the form of a matrix eigenvalue equation. The general formulas are specialized to the case of a ferrite-filled spherical cavity resonator and some of the lower-order mode resonances are calculated. The technique is briefly contrasted with other approximation techniques which are found in the literature.

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Authors and Affiliations

  1. Electrical Sciences and Engineering Dept. School of Engineering and Applied Science, University of California, 90024, Los Angeles, Cal., USA

    D. A. Taggart & F. W. Schott

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  1. D. A. Taggart
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  2. F. W. Schott
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Taggart, D.A., Schott, F.W. Ferrite-filled cavity resonators. Appl. Sci. Res. 25, 35–53 (1972). https://doi.org/10.1007/BF00382283

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  • DOI: https://doi.org/10.1007/BF00382283

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