Abstract

The dual polarization interferometers have been designed and applied in the Uragan-3M and Uragan-2M torsa-trons. However, an extensive modeling of microwave propagation through the plasma in the sheared magnetic field should be provided for correct interpretation of data. For this purpose, the system of two bounded ordinary differ-ential equations of the second order for the electric fields of the ordinary and extraordinary waves was solved nu-merically. The transfer matrix from launching to receiving waveguides was obtained in the wide range of plasma parameters. This gives the possibility to understand the results of already fulfilled measurements and to propose the optimized way for dual-polarization interferometry in stellarators.

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