Polarization reversal of electron cyclotron wave due to radial boundary conditionReport as inadecuate




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1 Hatakeyama Laboratory

Abstract : Propagation and absorption of electromagnetic waves with electron cyclotron resonance ECR frequency are experimentally and theoretically investigated for the case of inhomogeneously magnetized plasma column with peripheral vacuum layer, when a left-hand polarized wave LHPW is selectively launched. The polarization reversal from the LHPW to the right-hand polarized wave is found to occur near the ECR point. As a result, it is clarified that the LHPW, which has been considered not to be absorbed at the ECR point, is absorbed near the ECR point. The phenomena can be explained by taking into account the effects of the radial boundary conditions. In addition, it is found that the polarization reversal point can be adjusted by the external parameters, for example, plasma radius.

Keywords : boundary condition electron cyclotron wave polarization reversal





Author: Kazunori Takahashi - Toshiro Kaneko - Rikizo Hatakeyama -

Source: https://hal.archives-ouvertes.fr/



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