Curvature sensing with a D-shaped multicore fibre and Brillouin optical time-domain reflectometry
Curvature sensing with a D-shaped multicore fibre and Brillouin optical time-domain reflectometry
A distributed curvature sensor based on Brillouin optical time-domain reflectometry interrogation technique in a D-shaped 7-core fibre is presented. By comparing the relative Brillouin frequency shift between the central core and three of the outer cores of the 7-core fibre, the curvature of various spools with different diameters is measured with a deviation from the actual value ranging between 9% and 15%. The analysis and results presented in this study show the first demonstration of distributed bend sensing using a specially designed multicore D-shaped fibre, paving the way for fully distributed 3D shape sensing.
1291-1299
Zafeiropoulou, Angeliki
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Masoudi, Ali
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Zdagkas, Apostolos
af3bc86e-b049-4ea1-b7bb-44e2ee0a4441
Cooper, Laurence
b34a8850-a873-4195-a259-a1cbf1623450
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
20 January 2020
Zafeiropoulou, Angeliki
022decdc-a4b9-4d3a-aad0-4f2bdb654995
Masoudi, Ali
8073fb9b-2e6c-46c9-89cf-cb8670d76dc0
Zdagkas, Apostolos
af3bc86e-b049-4ea1-b7bb-44e2ee0a4441
Cooper, Laurence
b34a8850-a873-4195-a259-a1cbf1623450
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Zafeiropoulou, Angeliki, Masoudi, Ali, Zdagkas, Apostolos, Cooper, Laurence and Brambilla, Gilberto
(2020)
Curvature sensing with a D-shaped multicore fibre and Brillouin optical time-domain reflectometry.
Optics Express, 28 (2), .
(doi:10.1364/OE.383096).
Abstract
A distributed curvature sensor based on Brillouin optical time-domain reflectometry interrogation technique in a D-shaped 7-core fibre is presented. By comparing the relative Brillouin frequency shift between the central core and three of the outer cores of the 7-core fibre, the curvature of various spools with different diameters is measured with a deviation from the actual value ranging between 9% and 15%. The analysis and results presented in this study show the first demonstration of distributed bend sensing using a specially designed multicore D-shaped fibre, paving the way for fully distributed 3D shape sensing.
Text
oe-28-2-1291
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Accepted/In Press date: 28 December 2019
e-pub ahead of print date: 8 January 2020
Published date: 20 January 2020
Identifiers
Local EPrints ID: 437240
URI: http://eprints.soton.ac.uk/id/eprint/437240
ISSN: 1094-4087
PURE UUID: 91a40f89-ec6a-4679-9d84-f93d8f821abf
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Date deposited: 22 Jan 2020 17:32
Last modified: 17 Mar 2024 03:25
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Contributors
Author:
Angeliki Zafeiropoulou
Author:
Apostolos Zdagkas
Author:
Laurence Cooper
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