Uhf Reflectometry of Plasma by Extraordinary Waves with a Frequency below the Electron Cyclotron Frequency

  • A. I. Skibenko National Science Center Kharkiv Institute of Physics and Technology
Keywords: UHF reflectometry of plasma, Doppler shift

Abstract

Comparative dependences of the refractive index on the profiles of a plasma density and a magnetic field are found for ordinary and extraordinary waves under various conditions of plasma probing. Advantages of using the extraordinary wave (X-wave) with a frequency below the electron cyclotron frequency for the diagnostics of a magnetoactive plasma are analyzed with regard for the experimental conditions on a U-3M torsatron. The refraction of microwaves at the oblique plasma probing is studied taking the poloidal component of a magnetic field into consideration. The Doppler shift of an X-wave reflected from the moving plasma layer is found to exceed that of an ordinary wave (O-wave).

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Published
2018-10-10
How to Cite
Skibenko, A. (2018). Uhf Reflectometry of Plasma by Extraordinary Waves with a Frequency below the Electron Cyclotron Frequency. Ukrainian Journal of Physics, 58(8), 719. https://doi.org/10.15407/ujpe58.08.0719
Section
Plasmas and gases

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