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On the quasioptical approximation in dissipative media with spatial dispersion

  • Plasma, Hydro- and Gas Dynamics
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Abstract

A new form of the quasioptical equation is proposed to describe the propagation of an electromagnetic wave beam in a stationary smoothly inhomogeneous medium with spatial dispersion and dissipation. The proposed approach guarantees the positive definiteness of the absorbed power in the locally dissipative medium, which is a nontrivial property for inhomogeneous media with spatial dispersion. An efficient numerical scheme is constructed to solve the derived quasioptical equation.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, 603950, Russia

    A. A. Balakin, E. D. Gospodchikov & A. G. Shalashov

Authors
  1. A. A. Balakin
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  2. E. D. Gospodchikov
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  3. A. G. Shalashov
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Correspondence to A. A. Balakin.

Additional information

Original Russian Text © A.A. Balakin, E.D. Gospodchikov, A.G. Shalashov, 2016, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2016, Vol. 104, No. 10, pp. 701–707.

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Balakin, A.A., Gospodchikov, E.D. & Shalashov, A.G. On the quasioptical approximation in dissipative media with spatial dispersion. Jetp Lett. 104, 690–695 (2016). https://doi.org/10.1134/S0021364016220057

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  • DOI: https://doi.org/10.1134/S0021364016220057

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