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Thermal annealing of tilted fiber Bragg gratings

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.

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Authorship: González-Vila A., Rodríguez-Cobo L., Mégret P., Caucheteur C., López-Higuera J.,

Congress: European Workshop on Optical Fibre Sensors (6º : 2016 : Limerick, Irlanda)

Publisher: SPIE Society of Photo-Optical Instrumentation Engineers

Year of publication: 2016

No. of pages: 4

Publication type: Conference object

DOI: 10.1117/12.2236928

ISSN: 0277-786X,1996-756X

Spanish project: TEC2013-47264-C2-1-R

Publication Url: https://doi.org/10.1117/12.2236928

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Authorship

GONZÁLEZ VILA, ÁLVARO

LUIS RODRIGUEZ COBO

MEGRET, PATRICE

CAUCHETEUR, CHRISTOPHE

JOSE MIGUEL LOPEZ HIGUERA

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