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Wave properties of a cylindrical antenna immersed in a magneto-active plasma

Published online by Cambridge University Press:  13 March 2009

N. A. Azarenkov ,
I. B. Denisenko  and
K. N. Ostrikov
N. A. Azarenkov
Affiliation:
Department of Physics and Technology, Kharkov State University, 310077 Kharkov, Ukraine
I. B. Denisenko
Affiliation:
Department of Physics and Technology, Kharkov State University, 310077 Kharkov, Ukraine
K. N. Ostrikov
Affiliation:
Department of Physics and Technology, Kharkov State University, 310077 Kharkov, Ukraine
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Abstract

The dispersion properties and electromagnetic field topography of surface waves propagating along and in the azimuthal direction with respect to a cylindrical metal antenna immersed in a magneto-active plasma are investigated. The external magnetic field is directed along the antenna axis. The presence of a vacuum-gap sheath region separating the antenna from the plasma is assumed. The sheathless case is also considered. The dependence of the surface-wave dispersion properties on magnetic field intensity, plasma density, antenna radius and sheath thickness is presented for structure parameters close to experimental data. The results show qualitative agreement between our theory and experiment. The antenna surface impedance is calculated as well.

Type
Research Article
Information
Journal of Plasma Physics , Volume 50 , Issue 3 , December 1993 , pp. 369 - 384
Copyright
Copyright © Cambridge University Press 1993

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