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Journal of applied research and technology
On-line version ISSN 2448-6736Print version ISSN 1665-6423
Abstract
BARMENKOV, Y. O. and MENDOZA-SANTOYO, F.. Faraday plasma current sensor with compensation for reciprocal birefringence induced by mechanicalperturbations. J. appl. res. technol [online]. 2003, vol.1, n.2, pp.157-163. ISSN 2448-6736.
A Faraday fiber-optic current sensor was employed to measure the tokamak plasma current. In order to decrease the influence of mechanical perturbations on the sensor sensitivity, a two-pass optical scheme with a variable Faraday mirror at the fiber end is proposed. A decrease, by two orders of magnitude, in the influence of the linear birefringence produced by an external piezoceramic fiber modulator was experimentally observed.
Keywords : Schlieren; Flow visualization; Natural Convection.