Abstract
The interaction between electromagnetic radiation and a photoionized plasma slab with an anisotropic electron velocity distribution is studied. It is shown that the fields of leaky modes are amplified due to the development of aperiodic instability in the slab, which leads to an increase in both the reflected and transmitted fields. The transmitted field can significantly increase only if the slab thickness does not exceed the ratio of the speed of light to the electron plasma frequency, whereas there is no upper bound on the slab thickness for the reflected signal to be amplified.
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Original Russian Text © K.Yu. Vagin, S.A. Uryupin, 2015, published in Fizika Plazmy, 2015, Vol. 41, No. 9, pp. 808–821.
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Vagin, K.Y., Uryupin, S.A. Leaky unstable modes and electromagnetic radiation amplification by an anisotropic plasma slab. Plasma Phys. Rep. 41, 744–757 (2015). https://doi.org/10.1134/S1063780X15080103
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DOI: https://doi.org/10.1134/S1063780X15080103