Partial regeneration of Aluminum coated FBG along 450 days

Valmir de Oliveira; Camila Carvalho de Moura; Maria Aurora Vincenti; Stefano Libera; Andrea Polimadei; Michele Caponero; Rosa Maria Montereali; Hypolito José Kalinowski

doi:10.1117/12.2193138

28 September 2015 Partial regeneration of Aluminum coated FBG along 450 days

Valmir de Oliveira, Camila Carvalho de Moura, Maria Aurora Vincenti, Stefano Libera, Andrea Polimadei, Michele Caponero, Rosa Maria Montereali, Hypolito José Kalinowski

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963440 (2015) https://doi.org/10.1117/12.2193138
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

An Aluminum coated FBG was heated to 650 °C in order to study the regeneration process at low temperature. When compared to the standard regeneration process (at 800 °C -1000 °C) the regeneration occurred at longer times, the onset of the process took around 150 days to appear. The reflected signal after regeneration also is weaker than that obtained in the usual process, although it presents a good stability after the recovery phase – measured for a time span of ~200 days.

Citation Download Citation

Valmir de Oliveira, Camila Carvalho de Moura, Maria Aurora Vincenti, Stefano Libera, Andrea Polimadei, Michele Caponero, Rosa Maria Montereali, and Hypolito José Kalinowski "Partial regeneration of Aluminum coated FBG along 450 days", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963440 (28 September 2015); https://doi.org/10.1117/12.2193138

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