Hydrostatic pressure sensing with surface-core fibers

Jonas H. Osório; Marcos A. R. Franco; Cristiano M. B. Cordeiro

doi:10.1117/12.2194867

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28 September 2015 Hydrostatic pressure sensing with surface-core fibers

Jonas H. Osório, Marcos A. R. Franco, Cristiano M. B. Cordeiro

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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96343B (2015) https://doi.org/10.1117/12.2194867
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

In this paper, we report the employment of surface-core fibers for hydrostatic pressure sensing. To our knowledge, this is the first demonstration of the use of these fibers for the referenced purpose. Theoretical simulations of the fiber structure were performed in order to estimate fiber phase and group birefringence values and its pressure sensitivity coefficient. In order to test fiber performance when acting as a pressure sensor, the same was placed in an polarimetric setup and its spectral response was measured. A sensitivity of 4.8 nm/MPa was achieved, showing good resemblance to the expected sensitivity value (4.6 nm/MPa).

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Jonas H. Osório, Marcos A. R. Franco, and Cristiano M. B. Cordeiro "Hydrostatic pressure sensing with surface-core fibers", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96343B (28 September 2015); https://doi.org/10.1117/12.2194867

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