Fiber-Optic High Hydrostatic Pressure Sensor Based On Changes In Transmission Through A Semiconductor Plate

Wojtek J. Bock; Andrzej W. Domanski; Mario Beaulieu

doi:10.1117/12.963043

13 February 1990 Fiber-Optic High Hydrostatic Pressure Sensor Based On Changes In Transmission Through A Semiconductor Plate

Wojtek J. Bock, Andrzej W. Domanski, Mario Beaulieu

Author Affiliations +

Proceedings Volume 1169, Fiber Optic and Laser Sensors VII; (1990) https://doi.org/10.1117/12.963043
Event: OE/FIBERS '89, 1989, Boston, United States

Abstract

A new sensor has been developed for high hydrostatic pressure measurement based on displacement of the absorption edge in a semiconductor under the effect of pressure. The sensing element is composed of a GaAs single-crystal which has been attached to two multimode optical fibers. The crystal is placed inside a high-pressure chamber while fibers are used to carry the optical signal in and out. The present configuration allows determination of pressure up to 100 MPa. Temperature effects in the range 10Ã‚Â°C to 50Ã‚Â°C have also been investigated.

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Wojtek J. Bock, Andrzej W. Domanski, and Mario Beaulieu "Fiber-Optic High Hydrostatic Pressure Sensor Based On Changes In Transmission Through A Semiconductor Plate", Proc. SPIE 1169, Fiber Optic and Laser Sensors VII, (13 February 1990); https://doi.org/10.1117/12.963043

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