Fibre Bragg grating photowriting in microstructured optical fibres for refractive index measurement

Creators: Phan Huy, Minh-Châu; Laffont, Guillaume; Frignac, Yann; Dewynter, Véronique; Ferdinand, Pierre; Roy, Philippe; Blondy, Jean-Marc; Pagnoux, Dominique; Blanc, Wilfried; Dussardier, Bernard

Others:: Centre d'Etude de Saclay ; Commissariat à l'énergie atomique et aux énergies alternatives (CEA); PHOTONIQUE ; XLIM (XLIM) ; Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS)-Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS); Laboratoire de physique de la matière condensée (LPMC) ; Université Nice Sophia Antipolis (1965 - 2019) (UNS) ; COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)

Description

We report results relating to fibre Bragg grating photowriting in two kinds of Ge-doped core microstructured optical fibre devoted to sensing applications. A cross-comparison between theoretical and experimental modal field patterns is carried out. We present the first values of the spectral sensitivity of a Bragg grating in relation to the refractive index of calibrated oils inserted into the holes.

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Fibre Bragg grating photowriting in microstructured optical fibres for refractive index measurement

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