Abstract
In this paper, we study the interaction of a long moderate electromagnetic pulse with a plasma and, particularly, the interaction of a microwave pulse with low pressure self-generated air plasma under breakdown conditions. A fluid model is coupled to Maxwell equations to describe this interaction. Fluid equations parameters as electron density, drift velocity and electron energy under the influence of laser pulse electric field. The resolution method is restricted to narrow spectrum pulses when the E.M. signal can be considered as an harmonic plane wave. In this case, Maxwell equations are reduced to spatial dependent Helmholtz equation which is solved in an homogeneous and quasi stationary spatial gradient of electronic field inside and outside the inhomogeneous slowly evolving plasma. Finally, we obtain, by Fourier transform, the evolution of the spectrum of reflected and transmitted pulses compared to the incident pulse spectrum. (author) 47 refs.
Citation Formats
Combis, P, and Saleres, A.
Time evolution of an electromagnetic pulse in a limited homogeneous plasma (absorption, reflection, spectral shift); Evolution d`une impulsion electromagnetique a spectre etroit dans un plasma auto-genere inhomogene et moderement instationnaire (absorption, reflexion, transmission, decalage spectral).
France: N. p.,
1998.
Web.
Combis, P, & Saleres, A.
Time evolution of an electromagnetic pulse in a limited homogeneous plasma (absorption, reflection, spectral shift); Evolution d`une impulsion electromagnetique a spectre etroit dans un plasma auto-genere inhomogene et moderement instationnaire (absorption, reflexion, transmission, decalage spectral).
France.
Combis, P, and Saleres, A.
1998.
"Time evolution of an electromagnetic pulse in a limited homogeneous plasma (absorption, reflection, spectral shift); Evolution d`une impulsion electromagnetique a spectre etroit dans un plasma auto-genere inhomogene et moderement instationnaire (absorption, reflexion, transmission, decalage spectral)."
France.
@misc{etde_10147041,
title = {Time evolution of an electromagnetic pulse in a limited homogeneous plasma (absorption, reflection, spectral shift); Evolution d`une impulsion electromagnetique a spectre etroit dans un plasma auto-genere inhomogene et moderement instationnaire (absorption, reflexion, transmission, decalage spectral)}
author = {Combis, P, and Saleres, A}
abstractNote = {In this paper, we study the interaction of a long moderate electromagnetic pulse with a plasma and, particularly, the interaction of a microwave pulse with low pressure self-generated air plasma under breakdown conditions. A fluid model is coupled to Maxwell equations to describe this interaction. Fluid equations parameters as electron density, drift velocity and electron energy under the influence of laser pulse electric field. The resolution method is restricted to narrow spectrum pulses when the E.M. signal can be considered as an harmonic plane wave. In this case, Maxwell equations are reduced to spatial dependent Helmholtz equation which is solved in an homogeneous and quasi stationary spatial gradient of electronic field inside and outside the inhomogeneous slowly evolving plasma. Finally, we obtain, by Fourier transform, the evolution of the spectrum of reflected and transmitted pulses compared to the incident pulse spectrum. (author) 47 refs.}
place = {France}
year = {1998}
month = {Dec}
}
title = {Time evolution of an electromagnetic pulse in a limited homogeneous plasma (absorption, reflection, spectral shift); Evolution d`une impulsion electromagnetique a spectre etroit dans un plasma auto-genere inhomogene et moderement instationnaire (absorption, reflexion, transmission, decalage spectral)}
author = {Combis, P, and Saleres, A}
abstractNote = {In this paper, we study the interaction of a long moderate electromagnetic pulse with a plasma and, particularly, the interaction of a microwave pulse with low pressure self-generated air plasma under breakdown conditions. A fluid model is coupled to Maxwell equations to describe this interaction. Fluid equations parameters as electron density, drift velocity and electron energy under the influence of laser pulse electric field. The resolution method is restricted to narrow spectrum pulses when the E.M. signal can be considered as an harmonic plane wave. In this case, Maxwell equations are reduced to spatial dependent Helmholtz equation which is solved in an homogeneous and quasi stationary spatial gradient of electronic field inside and outside the inhomogeneous slowly evolving plasma. Finally, we obtain, by Fourier transform, the evolution of the spectrum of reflected and transmitted pulses compared to the incident pulse spectrum. (author) 47 refs.}
place = {France}
year = {1998}
month = {Dec}
}