Force sensitivity of regenerated fiber Bragg gratings in the temperature range from room temperature to 400°C

M. Lindner; D. Bernard; M. Jakobi; A. W. Koch; J. Roths

doi:10.1117/12.2539376

28 August 2019 Force sensitivity of regenerated fiber Bragg gratings in the temperature range from room temperature to 400°C

M. Lindner, D. Bernard, M. Jakobi, A. W. Koch, J. Roths

Author Affiliations +

Proceedings Volume 11199, Seventh European Workshop on Optical Fibre Sensors; 1119906 (2019) https://doi.org/10.1117/12.2539376
Event: Seventh European Workshop on Optical Fibre Sensors, 2019, Limassol, Cyprus

Abstract

The temperature dependence of the force sensitivity of a regenerated fiber Bragg grating (RFBG) in a smf28 fiber was experimentally determined up to temperatures of 400°C for the first time. The force sensitivity was found to decline linearly with increasing temperature. The RFBG showed a pure elastic response to the applied forces and no wavelength drift occurred during the measurement. This demonstrates that RFBG based sensors are suited for force monitoring at temperatures up to 400°C.

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M. Lindner, D. Bernard, M. Jakobi, A. W. Koch, and J. Roths "Force sensitivity of regenerated fiber Bragg gratings in the temperature range from room temperature to 400°C", Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 1119906 (28 August 2019); https://doi.org/10.1117/12.2539376

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