Low birefringence measurement and temperature dependence in metre-long optical fibers
Low birefringence measurement and temperature dependence in metre-long optical fibers
We propose a relatively simple technique to infer the birefringence on single mode low-birefringence optical fibers based on the use of the Faraday effect. The theoretical model for Faraday rotation in the presence of non-negligible fiber birefringence and a suitable measurement technique offer a fast and efficient way to determine low values of linear birefringence employing short fiber lengths. Alternative known techniques are not sensitive enough or they are of more difficult implementation. The method is used in only ~1 m-long single mode optical fibers to obtain the upper-limit birefringence that can be tolerated in order to retain good current sensing sensitivity. The temperature dependence of the Faraday rotation and its causes are also investigated.
current sensors, faraday effect, low birefringence fibers, optical fiber sensors, spun fibers
1-6
Segura, Martha
5f7e5c3a-5737-486e-80ae-87e0ab12d10d
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
White, Nicholas
94c619a3-093f-4bbe-b313-b548a2435249
May-Smith, Tim
47952bbd-ce28-4507-a723-b4d80bf0f809
Loh, Wei-Hung
61d3de72-428d-4c66-b36a-53b2120271ab
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
January 2015
Segura, Martha
5f7e5c3a-5737-486e-80ae-87e0ab12d10d
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
White, Nicholas
94c619a3-093f-4bbe-b313-b548a2435249
May-Smith, Tim
47952bbd-ce28-4507-a723-b4d80bf0f809
Loh, Wei-Hung
61d3de72-428d-4c66-b36a-53b2120271ab
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Segura, Martha, Vukovic, Natasha, White, Nicholas, May-Smith, Tim, Loh, Wei-Hung, Poletti, Francesco and Zervas, Michalis N.
(2015)
Low birefringence measurement and temperature dependence in metre-long optical fibers.
Journal of Lightwave Technology, 33 (12), .
(doi:10.1109/JLT.2014.2387291).
Abstract
We propose a relatively simple technique to infer the birefringence on single mode low-birefringence optical fibers based on the use of the Faraday effect. The theoretical model for Faraday rotation in the presence of non-negligible fiber birefringence and a suitable measurement technique offer a fast and efficient way to determine low values of linear birefringence employing short fiber lengths. Alternative known techniques are not sensitive enough or they are of more difficult implementation. The method is used in only ~1 m-long single mode optical fibers to obtain the upper-limit birefringence that can be tolerated in order to retain good current sensing sensitivity. The temperature dependence of the Faraday rotation and its causes are also investigated.
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More information
Accepted/In Press date: 22 December 2014
Published date: January 2015
Keywords:
current sensors, faraday effect, low birefringence fibers, optical fiber sensors, spun fibers
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 375776
URI: http://eprints.soton.ac.uk/id/eprint/375776
ISSN: 0733-8724
PURE UUID: 43e35351-fa89-4744-9815-24f2a8c25cfd
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Date deposited: 14 Apr 2015 09:26
Last modified: 15 Mar 2024 03:28
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Contributors
Author:
Martha Segura
Author:
Natasha Vukovic
Author:
Nicholas White
Author:
Tim May-Smith
Author:
Wei-Hung Loh
Author:
Francesco Poletti
Author:
Michalis N. Zervas
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