E. V. Bazhilova, A. Kudrin, T. Zaboronkova, A. S. Zaitseva
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Electrodynamic characteristics of a multigap loop antenna with phased excitation in a magnetoplasma
A study is made of the electrodynamic characteristics of a multigap loop antenna immersed in a homogeneous magnetoplasma. The loop axis is parallel to an external static magnetic field and the antenna current is excited by voltages applied across the feeding gaps of the antenna conductor. Using the integral equation method, the current distribution of such a source is obtained. Based on this solution for the current, it is shown that the antenna driven by appropriately phased voltages is capable of selectively exciting twisted waves with given azimuthal indices in the magnetoplasma.
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