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Aime LFJ, Kissinger T, James SW, et al. High sensitivity pressure measurement using optical fibre sensors mounted on a composite diaphragm. Opt Express. 2021;29(3):4105-4123doi: 10.1364/OE.416715.
Aime, L. F. J., Kissinger, T., James, S. W., Chehura, E., Verzeletti, A., & Tatam, R. P. (2021). High sensitivity pressure measurement using optical fibre sensors mounted on a composite diaphragm. Optics express, 29(3), 4105-4123. https://doi.org/10.1364/OE.416715
Aime, Laura F J, et al. "High sensitivity pressure measurement using optical fibre sensors mounted on a composite diaphragm." Optics express vol. 29,3 (2021): 4105-4123. doi: https://doi.org/10.1364/OE.416715
Aime LFJ, Kissinger T, James SW, Chehura E, Verzeletti A, Tatam RP. High sensitivity pressure measurement using optical fibre sensors mounted on a composite diaphragm. Opt Express. 2021 Feb 01;29(3):4105-4123. doi: 10.1364/OE.416715. PMID: 33770997.
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Opt Express. 2021 Feb 01;29(3):4105-4123. doi: 10.1364/OE.416715.

High sensitivity pressure measurement using optical fibre sensors mounted on a composite diaphragm.

Optics express

Laura F J Aime, Thomas Kissinger, Stephen W James, Edmon Chehura, Alberto Verzeletti, Ralph P Tatam

PMID: 33770997 DOI: 10.1364/OE.416715

Abstract

A pressure sensor specified for aerodynamic applications and based on optical fibre strain sensors mounted on a circular glass fibre reinforced polymer membrane is presented. The use of two fibre optic strain sensing technologies is explored, the novel intrinsic fibre segment interferometry (FSI) approach and fibre Bragg gratings (FBGs), with the use of FSI shown to offer a pressure resolution that is 15 times larger than that achieved using an FBG. A number of design and fabrication issues are considered, including the position of the fibres relative to the neutral axis of the membrane and the influence of the membrane support structure on the thermal and pressure sensitivities of the sensor, with particular regards to pressure and temperature discrimination.

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