Earth’s near-surface characterisation using phi-OTDR based on geometric phase

Sabahat Shaheen; Konstantin Hicke; Katerina Krebber

doi:10.1364/AIS.2023.JTh1A.6

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper JTh1A.6
•https://doi.org/10.1364/AIS.2023.JTh1A.6

Earth’s near-surface characterisation using phi-OTDR based on geometric phase

Sabahat Shaheen, Konstantin Hicke, and Katerina Krebber

Applied Industrial Spectroscopy 2023

Munich Germany
30 July–3 August 2023
ISBN: 978-1-957171-24-1

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Joint Postdeadline Paper Session (JTh1A)

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S. Shaheen, K. Hicke, and K. Krebber, "Earth’s near-surface characterisation using phi-OTDR based on geometric phase," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper JTh1A.6.

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Abstract

Phase-sensitive OTDR based on geometric phase for the first time detects surface waves generated by quarry blasts of 25 kg explosives. Inversion of dispersion curves provides depth profiles of shear-wave velocities of surface waves.

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