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28 August 2019 High temperature annealing of type I and type IA FBGs
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Proceedings Volume 11199, Seventh European Workshop on Optical Fibre Sensors; 111990E (2019) https://doi.org/10.1117/12.2539965
Event: Seventh European Workshop on Optical Fibre Sensors, 2019, Limassol, Cyprus
Abstract
This study reports on high temperature behaviour and stability tests of type I and type IA FBGs. The gratings temperature is firstly increased monotonously up to 650 °C, then fixed at this temperature for several hours. By monitoring the reflection spectra of the gratings we show that standard type I grating disappears and then regenerates while type IA grating decreases monotonously and shifts to lower wavelength before it disappears without regenerating.
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D. Kinet, K. Chah, and C. Caucheteur "High temperature annealing of type I and type IA FBGs", Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 111990E (28 August 2019); https://doi.org/10.1117/12.2539965
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