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
552-555
Masoudi, Ali
8073fb9b-2e6c-46c9-89cf-cb8670d76dc0
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
1 February 2021
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), .
(doi:10.1364/OL.413206).
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
More information
Submitted date: 23 September 2020
Accepted/In Press date: 5 December 2020
Published date: 1 February 2021
Keywords:
DAS, DVS, Distributed Acoustic Sensor (DAS), Distributed Vibration Sensor (DVS), Long range, ultra long range, ULEB fiber
Identifiers
Local EPrints ID: 444862
URI: http://eprints.soton.ac.uk/id/eprint/444862
ISSN: 0146-9592
PURE UUID: 4e80b711-fa3b-4a2d-934d-d159b0f8d39c
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Date deposited: 06 Nov 2020 17:33
Last modified: 17 Mar 2024 06:01
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