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Distributed Sensing using Bi-Directional BOTDA System

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A novel Bi-Directional Brillouin time domain analyzer (BD-BOTDA) is proposed and experimentally demonstrated by simultaneously detecting Brillouin signals over each half of the whole fiber at two wavelengths seprately, achieving over 80 km sensing range with 2m spatial resolution without additional measurement time and performance degradation.

© 2015 Optical Society of America

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