In this work, the spectral response of different regenerated Fiber Bragg Gratings has been analyzed for long time (more than 100 hours) under high temperatures (500°C and 700°C) to evaluate their degradation. These results have been compared to standard non-regenerated FBGs to analyze the future response of both devices types. The achieved results exhibit the temperature stability of regenerated FBGs even under extreme temperatures.

© 2015 Optical Society of America

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