Fabrication of fiber optic long period gratings operating at the phase matching turning point using an amplitude mask

J. Hromadka; R. Correia; S. Korposh

doi:10.1117/12.2236876

30 May 2016 Fabrication of fiber optic long period gratings operating at the phase matching turning point using an amplitude mask

J. Hromadka, R. Correia, S. Korposh

Author Affiliations +

Proceedings Volume 9916, Sixth European Workshop on Optical Fibre Sensors; 99160Y (2016) https://doi.org/10.1117/12.2236876
Event: Sixth European Workshop on Optical Fibre Sensors (EWOFS'2016), 2016, Limerick, Ireland

Abstract

A fast method for the fabrication of the long period gratings (LPG) optical fibres operating at or near the phase matching turning point (PMTP) with the period of 109.0, 109.5 and 110.0 μm based on an amplitude mask writing system is described. The proposed system allows fabricating 3 cm long LPG sensors operating at PMPT within 20 min that is approximately 8 times faster than point-by-point approach. The reproducibility of the fabrication process was thoroughly studied. The response of the fabricated LPGs to the external change of the refractive index was investigated using water and methanol.

Citation Download Citation

J. Hromadka, R. Correia, and S. Korposh "Fabrication of fiber optic long period gratings operating at the phase matching turning point using an amplitude mask", Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99160Y (30 May 2016); https://doi.org/10.1117/12.2236876

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