Fibre optic pressure and temperature sensor for applications in harsh environments

R. D. Pechstedt

doi:10.1117/12.2025725

20 May 2013 Fibre optic pressure and temperature sensor for applications in harsh environments

R. D. Pechstedt

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 879405 (2013) https://doi.org/10.1117/12.2025725
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

A high-temperature fibre optical sensor for the simultaneous measurement of pressure and temperature has been demonstrated and tested over a pressure range of 60 bar and up to 700°C. The sensor is based on a multi-cavity design and employs a monolithic sapphire transducer element. Excellent linearity with pressure < ±0.1% FS across the whole temperature range and low temperature cross-sensitivity to pressure < ±0.03% FS have been demonstrated.

Citation Download Citation

R. D. Pechstedt "Fibre optic pressure and temperature sensor for applications in harsh environments", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 879405 (20 May 2013); https://doi.org/10.1117/12.2025725

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