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Proceedings Paper

Fabry-Perot cavity based on air bubble for high sensitivity lateral load and strain measurements
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Paper Abstract

A Fabry-Perot air bubble microcavity fabricated between a section of single mode fiber and a multimode fiber is proposed. The study of the microcavities growth with the number of applied arcs is performed. The sensors are tested for lateral load and strain, where sensitivities of 0.32 nm/N and 2.11 nm/N and of 4.49 pm/με and 9.12 pm/με are obtained for the 47 μm and 161 μm long cavities, respectively. The way of manufacturing using a standard fusion splicer and given that no oils or etching solutions are involved, emerges as an alternative to the previously developed air bubble based sensors.

Paper Details

Date Published: 22 August 2017
PDF: 5 pages
Proc. SPIE 10453, Third International Conference on Applications of Optics and Photonics, 104532V (22 August 2017); doi: 10.1117/12.2276342
Show Author Affiliations
Susana Novais, Univ. de Aveiro (Portugal)
Marta S. Ferreira, Univ. de Aveiro (Portugal)
João L. Pinto, Univ. de Aveiro (Portugal)

Published in SPIE Proceedings Vol. 10453:
Third International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. M. Martins Costa, Editor(s)

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