20 May 2013 9000 hours-long high temperature annealing of regenerated fiber Bragg gratings
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Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87941X (2013) https://doi.org/10.1117/12.2025838
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland
Abstract
Regenerated Fiber Bragg Gratings have been annealed at high temperatures up to 890°C during 9000 hours in continuous. This test has been conducted in order to experimentally assess the long-term stability of regenerated FBGs dedicated to measurements in high temperature environments. The evolution of both reflectivities and Bragg wavelengths of four wavelength-multiplexed regenerated FBGs simultaneously annealed at respectively 760°C, 810°C, 850°C and 890°C is reported.
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G. Laffont, G. Laffont, R. Cotillard, R. Cotillard, P. Ferdinand, P. Ferdinand, } "9000 hours-long high temperature annealing of regenerated fiber Bragg gratings", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87941X (20 May 2013); doi: 10.1117/12.2025838; https://doi.org/10.1117/12.2025838
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