Thermal annealing of tilted fiber Bragg gratings

Á. González-Vila; L. Rodríguez-Cobo; P. Mégret; C. Caucheteur; J. M. López-Higuera

doi:10.1117/12.2236928

30 May 2016 Thermal annealing of tilted fiber Bragg gratings

Á. González-Vila, L. Rodríguez-Cobo, P. Mégret, C. Caucheteur, J. M. López-Higuera

Proceedings Volume 9916, Sixth European Workshop on Optical Fibre Sensors; 991611 (2016) https://doi.org/10.1117/12.2236928
Event: Sixth European Workshop on Optical Fibre Sensors (EWOFS'2016), 2016, Limerick, Ireland

Abstract

We report a practical study of the thermal decay of cladding mode resonances in tilted fiber Bragg gratings, establishing an analogy with the “power law” evolution previously observed on uniform gratings. We examine how this process contributes to a great thermal stability, even improving it by means of a second cycle slightly increasing the annealing temperature. In addition, we show an improvement of the grating spectrum after annealing, with respect to the one just after inscription, which suggests the application of this method to be employed to improve saturation issues during the photo-inscription process.

Citation Download Citation

Á. González-Vila, L. Rodríguez-Cobo, P. Mégret, C. Caucheteur, and J. M. López-Higuera "Thermal annealing of tilted fiber Bragg gratings", Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 991611 (30 May 2016); https://doi.org/10.1117/12.2236928

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