Optical current and voltage sensor using differential spectroscopy

被引：9
|
作者：
Ferrari, Jose A.
Flores, Jorge L.
Dultz, Wolfgang [1 ]
Frins, Erna [2 ]
机构：
[1] Univ Frankfurt, Inst Phys, D-60054 Frankfurt, Germany
[2] Univ Republica, Inst Fis, Fac Ingn, Montevideo 11300, Uruguay
来源：
OPTICAL ENGINEERING | 2009年 / 48卷 / 05期
关键词：
optical current sensor; optical voltage sensor; Faraday effect; Pockels cell; BISMUTH-GERMANATE CRYSTAL; MEASUREMENT SYSTEM; FARADAY; FIBER; BIREFRINGENCE; COMPENSATION;
D O I：
10.1117/1.3139299
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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. (C) 2009 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3139299]
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页数：7
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