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Conferences > ACPC > 2017 > S4A > S4A.2

Distributed Fiber-optic Acoustic Sensor with Sub-nano Strain Resolution Based on Time-gated Digital OFDR

Dian Chen, Qingwen Liu, and Zuyuan He

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Abstract

Polarization and coherent fading problem in distributed fiber-optic acoustic sensor is well solved in this paper. The worst strain resolution along the whole 10-km sensing fiber approaches 245 pε and the spatial resolution is 5 m.

© 2017 Optical Society of America

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