Strain characterization of fiber Bragg gratings inscribed by high-intensity femtosecond UV pulses

Ronan P. O'Byrne; Sergey V. Sergeyev; Dónal A. Flavin; David N. Nikogosyan

doi:10.1117/12.738386

2 July 2007 Strain characterization of fiber Bragg gratings inscribed by high-intensity femtosecond UV pulses

Ronan P. O'Byrne, Sergey V. Sergeyev, Dónal A. Flavin, David N. Nikogosyan

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.

Citation Download Citation

Ronan P. O'Byrne, Sergey V. Sergeyev, Dónal A. Flavin, and 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); https://doi.org/10.1117/12.738386

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