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Radiation reflection by a plasma with electron temperature anisotropy

  • G. Ferrante
  • M. Zarcone
  • S.A. Uryupin

Abstract:

The reflection of a test electromagnetic wave normally impinging on a plasma surface is investigated within the formalism of the surface impedance. The plasma is assumed to possess an anisotropic two-temperature bi-Maxwellian electron velocity distribution function. The linearly polarized impinging wave during reflection transforms into an elliptically polarized one, the degree of ellipticity depending on the electron temperature anisotropy. Polarization modifications of the reflected wave are particularly important in the conditions of the anomalous skin-effect, when the influence of the wave magnetic field on the electron kinetics in the skin layer is strong. Relations are reported connecting the reflected wave basic parameters to those of the reflecting plasma surface, making possible, through the experimental determination of the reflected wave characteristics, to find the plasma electron concentration and the two effective temperatures.

PACS. 52.38.Dx Laser light absorption in plasmas (collisional, parametric, etc.) – 52.50.Jm Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.) 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2003

Authors and Affiliations

  • G. Ferrante
    • 1
  • M. Zarcone
    • 1
  • S.A. Uryupin
    • 2
  1. 1.Istituto Nazionale per la Fisica della Materia, Dipartimento di Fisica e Tecnologie Relative, Viale delle Scienze, 90128 Palermo, ItalyIT
  2. 2.P.N. Lebedev Physical Institute, Leninsky pr. 53, 117924, Moscow, RussiaRU

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