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Proceedings Paper

Dynamic strain measurement at randomly addressed optical fiber positions using a time-domain Brillouin sensing system
Author(s): Romeo Bernini; Aldo Minardo; Luigi Zeni
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Paper 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.

Paper Details

Date Published: 14 October 2009
PDF: 5 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75037Z (14 October 2009); doi: 10.1117/12.848327
Show Author Affiliations
Romeo Bernini, Istituto per il Rilevamento Elettromagnetico dell'Ambiente, CNR (Italy)
Aldo Minardo, Seconda Univ. degli Studi di Napoli (Italy)
Luigi Zeni, Seconda Univ. degli Studi di Napoli (Italy)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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