
Proceedings Paper
Vibration sensor based on highly birefringent Bragg gratings written in standard optical fiber by a femtosecond laserFormat | Member Price | Non-Member Price |
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Paper Abstract
We present a vibration sensor based on highly birefringent fiber Bragg gratings written in standard single mode optical fiber and realized with UV femtosecond pulses. This vibration sensor takes advantage of the stress-induced phase shift between the two orthogonally polarized fiber eigenmodes which induces intensity distribution changes in the two fiber Bragg grating reflection modes. The gratings are inscribed with the femtosecond line by line technique and have a birefringence value of 6 10-4. We demonstrate that theses gratings are temperature birefringence insensitive and ideal for vibration measurements.
Paper Details
Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 9157AR (2 June 2014); doi: 10.1117/12.2059932
Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 9157AR (2 June 2014); doi: 10.1117/12.2059932
Show Author Affiliations
Karima Chah, Univ. de Mons (Belgium)
Antonio Bueno, Univ. de Mons (Spain)
Damien Kinet, Univ. de Mons (Belgium)
Christophe Caucheteur, Univ. de Mons (Belgium)
Antonio Bueno, Univ. de Mons (Spain)
Damien Kinet, Univ. de Mons (Belgium)
Christophe Caucheteur, Univ. de Mons (Belgium)
Cédric Chluda, Univ. de Mons (Belgium)
Patrice Mégret, Univ. de Mons (Belgium)
Marc Wuilpart, Univ. de Mons (Belgium)
Patrice Mégret, Univ. de Mons (Belgium)
Marc Wuilpart, Univ. de Mons (Belgium)
Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)
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