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152km-range single-ended distributed acoustic sensor based on in-line optical amplification and micromachined enhanced-backscattering fiber

152km-range single-ended distributed acoustic sensor based on in-line optical amplification and micromachined enhanced-backscattering fiber
152km-range single-ended distributed acoustic sensor based on in-line optical amplification and micromachined enhanced-backscattering fiber
In this Letter, a distributed acoustic sensor (DAS) with a sensing range in excess of 150 km is reported. This extended sensing range is achieved by adding a low-loss enhanced-backscattering fiber at the far end of a standard single-mode fiber. A conventional DAS system along with inline optical amplifiers are used to interrogate the sensing fiber. The combined system exhibits a minimum detectable strain of 40 nε at 1 Hz over a spatial resolution of 5 m.
DAS, DVS, Distributed Acoustic Sensor (DAS), Distributed Vibration Sensor (DVS), Long range, ultra long range, ULEB fiber
0146-9592
552-555
Masoudi, Ali
8073fb9b-2e6c-46c9-89cf-cb8670d76dc0
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Masoudi, Ali
8073fb9b-2e6c-46c9-89cf-cb8670d76dc0
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b

Masoudi, Ali, Brambilla, Gilberto and Beresna, Martynas (2021) 152km-range single-ended distributed acoustic sensor based on in-line optical amplification and micromachined enhanced-backscattering fiber. Optics Letters, 46 (3), 552-555. (doi:10.1364/OL.413206).

Record type: Article

Abstract

In this Letter, a distributed acoustic sensor (DAS) with a sensing range in excess of 150 km is reported. This extended sensing range is achieved by adding a low-loss enhanced-backscattering fiber at the far end of a standard single-mode fiber. A conventional DAS system along with inline optical amplifiers are used to interrogate the sensing fiber. The combined system exhibits a minimum detectable strain of 40 nε at 1 Hz over a spatial resolution of 5 m.

Text
152 km-range single-ended distributed acoustic sensor based on inline optical amplification and a micromachined enhanced-backscattering fiber - Accepted Manuscript
Available under License Creative Commons Attribution.
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More information

Submitted date: 23 September 2020
Accepted/In Press date: 5 December 2020
Published date: 1 February 2021
Related URLs:
Keywords: DAS, DVS, Distributed Acoustic Sensor (DAS), Distributed Vibration Sensor (DVS), Long range, ultra long range, ULEB fiber
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Identifiers

Local EPrints ID: 444862
URI: http://eprints.soton.ac.uk/id/eprint/444862
DOI: doi:10.1364/OL.413206
ISSN: 0146-9592
PURE UUID: 4e80b711-fa3b-4a2d-934d-d159b0f8d39c
ORCID for Ali Masoudi: ORCID iD orcid.org/0000-0003-0001-6080
ORCID for Gilberto Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 06 Nov 2020 17:33
Last modified: 17 Mar 2024 06:01

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Contributors

Author: Ali Masoudi ORCID iD
Author: Gilberto Brambilla ORCID iD
Author: Martynas Beresna

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