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Proceedings Year : 2014

Regeneration of Tilted Fiber Bragg Gratings

Abstract

The regeneration of Tilted Fiber Bragg Gratings photowritten in a singlemode SMF-28e fiber is investigated. Three tilted FBGs, with respectively 0 degrees, 4 degrees and 8 degrees external tilt angles are annealed according to a conventional high temperature regeneration protocol. We monitor the evolution of distinct spectral features during the thermal annealing process. We also propose a method in order to follow the regeneration process of tilted FBG, without focusing on individual spectral resonances. Regeneration of tilted FBGs presents numerous interests for the realization of high temperature sensors and devices, but also to improve their resistance to preliminary manufacturing processes requiring high temperature steps.
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Dates and versions

cea-01828513 , version 1 (24-03-2023)

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Romain Cotillard, Guillaume Laffont, Pierre Ferdinand. Regeneration of Tilted Fiber Bragg Gratings. 9157, SPIE-INT SOC OPTICAL ENGINEERING, pp.91572S, 2014, Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors (2014), ⟨10.1117/12.2059285⟩. ⟨cea-01828513⟩
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