High temperature annealing of type I and type IA FBGs

D. Kinet; K. Chah; C. Caucheteur

doi:10.1117/12.2539965

28 August 2019 High temperature annealing of type I and type IA FBGs

D. Kinet, K. Chah, C. Caucheteur

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.

Citation Download Citation

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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