Trapping of plasma waves in small-scale cylindrical irregularities

Abstract

We consider the efficiency of trapping of short plasma waves excited by a high-power radio wave inside the magnetic field-aligned small-scale cylindrical irregularities with low density. It is shown that in the case of cylindrical irregularities the reflection of a plasma wave from the points of its transformation into cold plasma oscillations is sufficiently large. Therefore, this process must be taken into account in the calculation of heating of irregularities in the field of a high-power radio wave.

Heating frequency optimization for artificial field-aligned scattering

“…A considerable number of nonlinear effects can be generated by interactions between powerful high frequency waves (heating waves) and plasma in the ionosphere [1]. One of the important modification phenomena is the generation of ionospheric irregularities [2][3][4][5], which can effectively scatter radio waves, especially at the very high frequency (VHF) band. Therefore, studying scattering characteristics of ionospheric irregularities is of great importance for communication via long distance VHF transmission.…”