Simultaneous FIR interferometry/polarimetry in the UCLA Microtor plasma

Abstract

Faraday rotation and electron line density spatial profiles ahve been measured simultaneously on the Microtor tokamak using the phase modulation scheme originally proposed by Dodel and Kunz [1]. Presently, a single channel system is spatially scanned across the complete plasma profile at 1 cm intervals. The extension of this technique to a 20 channel interferometer/polarimeter system using micro-bolometer imaging arrays is briefly described together with an assessment of the importance of such a system on fusion plasmas.

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