Over 193 km sensing range by optical fiber distributed sensor with mixed amplification repeaters for railway field applications

Tilleli Ayad; Ali Kabalan; Gabriel Papaiz Garbini; Tarik Hammi

doi:10.1364/SENSORS.2023.SM1D.3

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper SM1D.3
•https://doi.org/10.1364/SENSORS.2023.SM1D.3

Over 193 km sensing range by optical fiber distributed sensor with mixed amplification repeaters for railway field applications

Tilleli Ayad, Ali Kabalan, Gabriel Papaiz Garbini, and Tarik Hammi

Optical Sensors 2023

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

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Distributed Sensors I (SM1D)

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T. Ayad, A. Kabalan, G. P. Garbini, and T. Hammi, "Over 193 km sensing range by optical fiber distributed sensor with mixed amplification repeaters for railway field applications," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper SM1D.3.

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Abstract

A distributed acoustic sensor (DAS system) with a sensing range of 193.5 km and 10 m of spatial resolution is implemented using mixed amplification methods consisting of Raman and Er-doped optical amplifiers.

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