Temperature-independent pressure sensor using triangular-shape of suspended-core fiber

M. I. Zibaii; S. Nouri; J. Sadeghi; H. Latifi; P. A. S. Jorge; K. Schuster; Jens Kobelke; O. Frazao

doi:10.1117/12.966321

17 October 2012 Temperature-independent pressure sensor using triangular-shape of suspended-core fiber

M. I. Zibaii, S. Nouri, J. Sadeghi, H. Latifi, P. A. S. Jorge, K. Schuster, Jens Kobelke, O. Frazao

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84210Z (2012) https://doi.org/10.1117/12.966321
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

In this work, fiber in-line Mach-Zehnder Interferometer (MZI) based on triangular-shape suspended core fibers (SCFs) is investigated. The sensitivity of the sensing head was determined for pressure and temperature, respectively. The sensitivities are 0.4 pm/psi and 13 pm/psi for longitudinal and radial pressure, respectively. The sensing head was also subjected to temperature and presented very low sensitivity.

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M. I. Zibaii, S. Nouri, J. Sadeghi, H. Latifi, P. A. S. Jorge, K. Schuster, Jens Kobelke, and O. Frazao "Temperature-independent pressure sensor using triangular-shape of suspended-core fiber", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84210Z (17 October 2012); https://doi.org/10.1117/12.966321

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KEYWORDS

Sensors

Head

Single mode fibers

Temperature metrology

Structured optical fibers

Cladding

Fiber Bragg gratings

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