Thermal sensitivity increase of RFBG in the visible range

Patrícia Loren Inacio; Camila Carvalho de Moura; Ismael Chiamenti; Valmir de Oliveira; Hypolito José Kalinowski

doi:10.1117/12.2275844

22 August 2017 Thermal sensitivity increase of RFBG in the visible range

Patrícia Loren Inacio, Camila Carvalho de Moura, Ismael Chiamenti, Valmir de Oliveira, Hypolito José Kalinowski

Proceedings Volume 10453, Third International Conference on Applications of Optics and Photonics; 1045325 (2017) https://doi.org/10.1117/12.2275844
Event: Third International Conference on Applications of Optics and Photonics, 2017, Faro, Portugal

Abstract

Thermal sensitivity increase of regenerated fiber Bragg gratings (RFBG) in the visible range is reported. The FBGs are produced by direct illumination under the phase mask using UV light from two different laser sources at 248 nm. After regeneration the thermal sensitivity is obtained at 500°C to avoid spectra vanishing for temperatures near that of regeneration. At 500°C, the determined thermal sensitivities are 5.74pmK^-1 before and 7.65pmK^-1 after regeneration (single mode fiber in the visible, femtosecond laser), and a similar pattern is presented for all regenerated FBGs.

Citation Download Citation

Patrícia Loren Inacio, Camila Carvalho de Moura, Ismael Chiamenti, Valmir de Oliveira, and Hypolito José Kalinowski "Thermal sensitivity increase of RFBG in the visible range", Proc. SPIE 10453, Third International Conference on Applications of Optics and Photonics, 1045325 (22 August 2017); https://doi.org/10.1117/12.2275844

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