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The temporal helicon-wave echo in a plasma with steepened density profile

Published online by Cambridge University Press:  13 March 2009

E. A. Fedutenko  and
V. I. Lapshin
E. A. Fedutenko
Affiliation:
Department of Physics and Technology, Kharkov State University, Svobody sq. 4, Kharkov, 310077, Ukraine
V. I. Lapshin
Affiliation:
Department of Physics and Technology, Kharkov State University, Svobody sq. 4, Kharkov, 310077, Ukraine
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Abstract

The hydrodynamic echo on the surface helicon-type modes radiated to vacuum in a magnetized plasma with steepened density profile is investigated. It is shown that perturbations induced by an initial pulse at the plasma boundary are modulated by a later applied second pulse of different wavelength, to yield a non-vanishing echo signal, which can be radiated to vacuum. The angle of the radiation and the density of the energy flow of this signal are determined.

Type
Research Article
Information
Journal of Plasma Physics , Volume 47 , Issue 3 , June 1992 , pp. 431 - 437
Copyright
Copyright © Cambridge University Press 1992

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References

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