2 July 2007 Strain characterization of fiber Bragg gratings inscribed by high-intensity femtosecond UV pulses
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Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 661918 (2007) https://doi.org/10.1117/12.738386
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy
Abstract
We report strain characterization of birefringent fiber Bragg gratings fabricated in hydrogen-free photosensitive Ge/B codoped PS1250/1500 fiber by high-intensity femtosecond 264 nm pulses. These anisotropic FBGs demonstrate high PDL value of 8 dB but, unlike the FBGs inscribed in PM fibers, show shape preservation under strain of [0, 700 &mgr;&Vegr;] by interrogation based on broad-band source and optical spectrum analyzer.
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Ronan P. O'Byrne, Sergey V. Sergeyev, Dónal A. Flavin, David N. Nikogosyan, "Strain characterization of fiber Bragg gratings inscribed by high-intensity femtosecond UV pulses", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 661918 (2 July 2007); doi: 10.1117/12.738386; https://doi.org/10.1117/12.738386
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