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Optical Engineering

Optical current and voltage sensor using differential spectroscopy
Author(s): Jose A. Ferrari; Jorge Luis Flores-Nuñez; Wolfgang Dultz; Erna M. Frins
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Paper Abstract

A novel optical system that combines a polarimetric current sensor based on the Faraday effect, and a voltage sensor based on the Pockels effect, is described. The proposed device uses polarizers that possess high polarization ratios in specific spectral ranges. This allows the simultaneous codification of current and voltage information in different spectral regions, which, in turn, enables independent measurements of both magnitudes. Validation experiments are presented.

Paper Details

Date Published: 1 May 2009
PDF: 7 pages
Opt. Eng. 48(5) 054401 doi: 10.1117/1.3139299
Published in: Optical Engineering Volume 48, Issue 5
Show Author Affiliations
Jose A. Ferrari, Univ. de la República (Uruguay)
Jorge Luis Flores-Nuñez, Univ. de Guadalajara (Mexico)
Wolfgang Dultz, Johann Wolfgang Goethe-Univ. Frankfurt am Main (Germany)
Erna M. Frins, Univ. de la República (Uruguay)

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