Regenerated femtosecond fibre Bragg gratings

K. Cook; C. Smelser; J. Canning; G. le Garff; M. Lancry; S. Mihailov

doi:10.1117/12.915937

30 January 2012 Regenerated femtosecond fibre Bragg gratings

K. Cook, C. Smelser, J. Canning, G. le Garff, M. Lancry, S. Mihailov

Author Affiliations +

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 835111 (2012) https://doi.org/10.1117/12.915937
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

We demonstrate the thermal regeneration of fibre Bragg gratings inscribed by direct writing using a femtosecond, infrared laser into standard SMF-28 and pure silica core fibres. Post-H₂ loading was used. The regeneration process is shown to extend the temperature operation of these gratings up to 1200°C. The temperature durability of regenerated 193nm-written gratings in SMF-28 fibre is presented for comparison. The ability to enhance the temperature durability of femtosecond inscribed index changes has significance beyond fibre Bragg gratings; for example, the micromachining of photonic components such as planar waveguides.

Citation Download Citation

K. Cook, C. Smelser, J. Canning, G. le Garff, M. Lancry, and S. Mihailov "Regenerated femtosecond fibre Bragg gratings", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 835111 (30 January 2012); https://doi.org/10.1117/12.915937

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