Abstract
A detailed study of the efficiency of frequency-selective surfaces for extension of the operating frequency range of a dielectric radio absorber is presented. The radio absorber is fabricated from the layer of a homogeneous carbon black filled material and a frequency-selective surface made of thin metal rings placed inside or on the surface of the absorber. It is shown theoretically and experimentally that insertion of a frequency-selective surface into a dielectric radio absorber makes it possible to almost double the range of operating frequencies without increasing the thickness of the absorber.
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Original Russian Text © V.A. Babayan, Yu.N. Kazantsev, A.V. Lopatin, V.P. Mal’tsev, N.E. Kazantseva, 2011, published in Radiotekhnika i Elektronika, 2011, Vol. 56, No. 11, pp. 1377–1382.
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Babayan, V.A., Kazantsev, Y.N., Lopatin, A.V. et al. Extension of the operating frequency range of a dielectric radio absorber with the help of frequency-selective surfaces. J. Commun. Technol. Electron. 56, 1357–1362 (2011). https://doi.org/10.1134/S1064226911110040
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DOI: https://doi.org/10.1134/S1064226911110040