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Conferences > OFS > 2020 > T2A > T2A.5

Distributed Acoustic Sensors Based on Time-gated Digital Optical Frequency Domain Reflectometry

Zuyuan He and Qingwen Liu

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Abstract

This paper presents a review on distributed acoustic sensors (DAS) based on time-gated digital optical frequency domain reflectometry (TGD-OFDR) that we developed in recent years. Two types of fading-free DAS systems adopting phase demodulation and interference-pattern demodulation are introduced, respectively.

© 2020 The Author(s)

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