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