Resonant absorption in a plasma step profile

Ahedo Galilea, Eduardo and Sanmartín Losada, Juan Ramón (1987). Resonant absorption in a plasma step profile. "Plasma Physics and Controlled Fusion", v. 29 (n. 3); pp. 419-432. ISSN 0741-3335.

Description

Title: Resonant absorption in a plasma step profile
Author/s:
  • Ahedo Galilea, Eduardo
  • Sanmartín Losada, Juan Ramón
Item Type: Article
Título de Revista/Publicación: Plasma Physics and Controlled Fusion
Date: 1987
ISSN: 0741-3335
Volume: 29
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Física Aplicada a la Ingeniería Aeronáutica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Resonant absorption of p-polarized light shined on a plane-layered plasma with a step profile, is discussed as a function of wavelength (or critical density n,) of the light: for simplicity the incidence angle is assumed small. If n, lies within or above the step, the absorption A is given by Ginzburg’s result modified by strong reflections at the foot and top of the step. The absorption above is total for particular values of nc and U. For n, crossing the top of the density step the absorption is not monotonical: it exhibits a minimum that vanishes for zero radius of curvature U there and zero collision frequency 1’ (A - Iln VI-’). The results are applied to the profile produced by irradiating a solid target with a high-intensity pulse that steepens the plasma by radiation pressure.

More information

Item ID: 21501
DC Identifier: http://oa.upm.es/21501/
OAI Identifier: oai:oa.upm.es:21501
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 05 Nov 2013 09:12
Last Modified: 21 Apr 2016 12:07
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