Dynamic strain measurement at randomly addressed optical fiber positions using a time-domain Brillouin sensing system

Romeo Bernini; Aldo Minardo; Luigi Zeni

doi:10.1117/12.848327

14 October 2009 Dynamic strain measurement at randomly addressed optical fiber positions using a time-domain Brillouin sensing system

Romeo Bernini, Aldo Minardo, Luigi Zeni

Author Affiliations +

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75037Z (2009) https://doi.org/10.1117/12.848327
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

We present a novel technique for dynamic strain measurements in optical fibers, based on the stimulated Brillouin scattering interaction between two counter-propagating optical pulses. The technique permits to address dynamically and randomly the position at which vibration is measured. Moreover, in the proposed method the sampling rate is only limited by the time-of-flight of the pulses along the sensing fiber. Preliminary experimental results, carried out with a perturbation frequency up to 98 Hz, demonstrate the validity of the proposed technique.

Citation Download Citation

Romeo Bernini, Aldo Minardo, and Luigi Zeni "Dynamic strain measurement at randomly addressed optical fiber positions using a time-domain Brillouin sensing system", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75037Z (14 October 2009); https://doi.org/10.1117/12.848327

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