Pressure measurement with fiber-optic sensors: commercial technologies and applications

Éric Pinet

doi:10.1117/12.895536

17 May 2011 Pressure measurement with fiber-optic sensors: commercial technologies and applications

Éric Pinet

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 775304 (2011) https://doi.org/10.1117/12.895536
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

Mainly three technologies are presently commercially available for pressure measurement with fiber-optic sensors: intensity-based, fiber Bragg gratings and Fabry-Pérot. The first one is probably the simplest and the cheapest but it is limited to applications where having 2 fixed or up to 4 flexible fibers is not an issue, whereas the two other technologies require only one fiber. With generally low sensitivity to pressure and prohibitive cost for non multiplexed measurements, fiber Bragg grating pressure sensors are still limited to marginal applications. Fabry-Pérot technology is the best compromise offering at affordable price a great flexibility in terms of pressure ranges, high sensitivity and miniature size suitable for most applications including disposable medical devices.

Citation Download Citation

Éric Pinet "Pressure measurement with fiber-optic sensors: commercial technologies and applications", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775304 (17 May 2011); https://doi.org/10.1117/12.895536

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