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Conferences > OFS > 2020 > T3 > T3.2

Distributed Multimode Fiber Coherent Φ-OTDR

Matthew J. Murray and Brandon Redding

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Abstract

We demonstrate a distributed multimode fiber Φ-OTDR sensor using holographic detection to record the backscattered speckle field. The sensor detects frequencies up to 400 Hz over 2 km with a sensing aperture of 20 m.

© 2020 The Author(s)

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