Fiber Bragg grating sensors with ultrahigh or ultralow temperature sensitivity

Zipei Song; Mohan Wang; Patrick S. Salter; Tongyu Liu; Steve J. Elston; Martin J. Booth; Stephen M. Morris; Julian A. J. Fells

doi:10.1364/OFS.2023.W2.2

28th International Conference on Optical Fiber Sensors
Technical Digest Series (Optica Publishing Group, 2023),
paper W2.2
•https://doi.org/10.1364/OFS.2023.W2.2

Fiber Bragg grating sensors with ultrahigh or ultralow temperature sensitivity

Zipei Song, Mohan Wang, Patrick S. Salter, Tongyu Liu, Steve J. Elston, Martin J. Booth, Stephen M. Morris, and Julian A. J. Fells

Optical Fiber Sensors 2023

Naka-ku, Hamamatsu-shi Japan
20–24 November 2023
ISBN: 978-1-957171-30-2

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Fiber Gratings I (W2)

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Z. Song, M. Wang, P. S. Salter, T. Liu, S. J. Elston, M. J. Booth, S. M. Morris, and J. A. J. Fells, "Fiber Bragg grating sensors with ultrahigh or ultralow temperature sensitivity," in 28th International Conference on Optical Fiber Sensors, Technical Digest Series (Optica Publishing Group, 2023), paper W2.2.

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Abstract

Fiber Bragg grating (FBG) sensors have temperature sensitivities around +10 pm/°C. We fabricate an FBG with -55 pm/°C for discriminating temperature from other parameters and another stable to +/-12.5 pm over 17-45°C for temperature-independent measurements.

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