Quasi-distributed vibration sensor based on polarization-sensitive measurement

Nicolas Linze; Pierre Tihon; Olivier Verlinden; Patrice Mégret; Marc Wuilpart

doi:10.1117/12.885882

17 May 2011 Quasi-distributed vibration sensor based on polarization-sensitive measurement

Nicolas Linze, Pierre Tihon, Olivier Verlinden, Patrice Mégret, Marc Wuilpart

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77532Z (2011) https://doi.org/10.1117/12.885882
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

In this paper we propose a novel kind of quasi-distributed vibration sensor based on the measurement of the polarization state of light. Its principle is based on the combination of mechanical transducers -which transform the mechanical perturbation into a birefringence variation- with fiber Bragg gratings. We show that several vibrations can be detected and localized at each transducer position with a frequency resolution of 1.25 Hz.

Citation Download Citation

Nicolas Linze, Pierre Tihon, Olivier Verlinden, Patrice Mégret, and Marc Wuilpart "Quasi-distributed vibration sensor based on polarization-sensitive measurement", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77532Z (17 May 2011); https://doi.org/10.1117/12.885882

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