Arc-induced gratings in the turning points

C. Colaço; P. Caldas; R. Chibante; G. Rego

doi:10.1117/12.2194274

28 September 2015 Arc-induced gratings in the turning points

C. Colaço, P. Caldas, R. Chibante, G. Rego

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96346K (2015) https://doi.org/10.1117/12.2194274
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

We demonstrated the inscription of arc-induced long-period fiber gratings (LPFGs) in the B/Ge co-doped fiber and in the SMF28 fiber by using grating periods shorter than 150 μm and 200 μm, respectively. This achievement was a result of the development of a high voltage power supply that allows for a constant and stable electric current ranging from 10.5 mA up to 21 mA. The fabricated LPFGs were characterized as a function of the external refractive index from 1.333 up to 1.420 and a refractive index sensitivity of the order of 1000 nm/RIU was obtained without further optimization.

Citation Download Citation

C. Colaço, P. Caldas, R. Chibante, and G. Rego "Arc-induced gratings in the turning points", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96346K (28 September 2015); https://doi.org/10.1117/12.2194274

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