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Conferences > OFS > 2020 > T1 > T1.4

Distributed Acoustic Sensing with 100 km Distance Range Using a Polarization-Diverse Coherent OTDR Interrogator

Thorben Jostmeier, Benjamin Marx, Alexander Rath, and Wieland Hill

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Abstract

We demonstrate DAS using phase-sensitive OTDR with polarization-diverse coherent detection. It provides 100 km range using standard fiber, 124 km using specialty fiber, sub-nε strain sensitivity and four orders of magnitude dynamic range at shorter distance.

© 2020 The Author(s)

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