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Opt Lett. 2009 Sep 1;34(17):2613-5. doi: 10.1364/OL.34.002613.

Dynamic strain measurement in optical fibers by stimulated Brillouin scattering.

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Istituto per il Rilevamento Elettromagnetico dell'Ambiente (CNR), Via Diocleziano 328, 80124 Napoli, Italy.


We present a technique for dynamic strain measurements in optical fibers based on the stimulated Brillouin scattering interaction between two counterpropagating optical pulses. The technique allows for a high sampling rate and permits to addressing dynamically and randomly the position at which vibration is measured. Preliminary experimental results carried out with a perturbation frequency up to 98 Hz demonstrate the validity of the proposed technique.

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