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Vavilov-Cherenkov radiation in active biresonant media

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Abstract

The radiation of a charged particle moving in a dispersive medium with two resonance frequencies is theoretically studied. It is shown that such a medium can amplify the generated electromagnetic waves, provided that the low-frequency resonance is active, the high-frequency resonance is passive, and the particle velocity is within a certain interval. A method of calculation of the amplification effect is described and a particular example is presented.

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Authors and Affiliations

  1. Research Institute of Radiophysics, St. Petersburg State University, St. Petersburg, 198504, Russia

    A. V. Tyukhtin & S. N. Galyamin

Authors
  1. A. V. Tyukhtin
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  2. S. N. Galyamin
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Correspondence to A. V. Tyukhtin.

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Original Russian Text © A.V. Tyukhtin, S.N. Galyamin, 2007, published in Pis’ma v Zhurnal Tekhnichesko’ Fiziki, 2007, Vol. 33, No. 15, pp. 7–14.

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Tyukhtin, A.V., Galyamin, S.N. Vavilov-Cherenkov radiation in active biresonant media. Tech. Phys. Lett. 33, 632–635 (2007). https://doi.org/10.1134/S1063785007080020

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  • DOI: https://doi.org/10.1134/S1063785007080020

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