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Proceedings Paper

Fiber optic sensor for simultaneous measurement of voltage and temperature
Author(s): Valery N. Filippov; Andrey N. Starodumov; Francisco G. Pena Lecona
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Paper Abstract

We report a new configuration of the fiber optic voltage sensor based on the Bi12TiO20 crystal, which allows simultaneous measurements of both voltage and temperature. In our scheme, a quarter-wave plate, being an inherent element of voltage sensor, serves simultaneously as a phase-shifting element and as a temperature sensitive element. The sensor operates at two wavelengths (633 nm and 976 nm). The sensor has a linear temperature characteristic within the range of 10divided by70 degree(s)h, providing the accuracy of temperature measurements of 0.3 degree(s)h. As a voltage sensor, this device has a linear amplitude characteristic up to 1000 Vrms and the excellent temperature stability of 0.1 % within the temperature range of 10divided by70 degree(s)h.

Paper Details

Date Published: 14 February 2002
PDF: 5 pages
Proc. SPIE 4578, Fiber Optic Sensor Technology and Applications 2001, (14 February 2002); doi: 10.1117/12.456108
Show Author Affiliations
Valery N. Filippov, Ctr. de Investigaciones en Optica (Mexico)
Andrey N. Starodumov, Ctr. de Investigaciones en Optica (Mexico)
Francisco G. Pena Lecona, Ctr. de Investigaciones en Optica (Mexico)

Published in SPIE Proceedings Vol. 4578:
Fiber Optic Sensor Technology and Applications 2001
Michael A. Marcus; Brian Culshaw, Editor(s)

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