Fiber optic sensor for simultaneous measurement of voltage and temperature

Valery N. Filippov; Andrey N. Starodumov; Francisco G. Pena Lecona

doi:10.1117/12.456108

14 February 2002 Fiber optic sensor for simultaneous measurement of voltage and temperature

Valery N. Filippov, Andrey N. Starodumov, Francisco G. Pena Lecona

Proceedings Volume 4578, Fiber Optic Sensor Technology and Applications 2001; (2002) https://doi.org/10.1117/12.456108
Event: Environmental and Industrial Sensing, 2001, Boston, MA, United States

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 V_rms and the excellent temperature stability of 0.1 % within the temperature range of 10divided by70 degree(s)h.

Citation Download Citation

Valery N. Filippov, Andrey N. Starodumov, and Francisco G. Pena Lecona "Fiber optic sensor for simultaneous measurement of voltage and temperature", Proc. SPIE 4578, Fiber Optic Sensor Technology and Applications 2001, (14 February 2002); https://doi.org/10.1117/12.456108

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