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Enhanced responsivity with skew ray excitation of reflection- and transmission-type refractometric sensors

Enhanced responsivity with skew ray excitation of reflection- and transmission-type refractometric sensors
Enhanced responsivity with skew ray excitation of reflection- and transmission-type refractometric sensors
The responsivity of optical fibers to refractive index can be enhanced using high-order skew rays compared with using meridional rays. Skew rays can have a much higher number of reflections with increased interaction length along the core-cladding interface, which gives rise to stronger interactions with the external medium. Reflection/transmission-type refractometric sensors based on twin-coupled-core and multimode fibers showed one/two orders of magnitude increase in responsivity with skew ray excitation. The responsivity and sensitivity for the two types are ~2000%/RIU, ~1400%/RIU, and 4.9 x 10-5 RIU, 7.0 x 10-5 RIU, respectively.
0146-9592
3822-3825
Chen, George Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Lewis, Richard J.
788a5861-595b-4961-9c74-359305328d2e
Jankowski, Lukasz
de84cc32-1ef0-426f-91b4-14f734eb0dda
Chan, Jaclyn S.
7339d99a-1d44-4313-91a7-8d2452b21069
Gorman, Philip M.
9938f8bc-18da-4f3e-addd-675c74c8542b
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Chen, George Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Lewis, Richard J.
788a5861-595b-4961-9c74-359305328d2e
Jankowski, Lukasz
de84cc32-1ef0-426f-91b4-14f734eb0dda
Chan, Jaclyn S.
7339d99a-1d44-4313-91a7-8d2452b21069
Gorman, Philip M.
9938f8bc-18da-4f3e-addd-675c74c8542b
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701

Chen, George Y., Codemard, Christophe A., Lewis, Richard J., Jankowski, Lukasz, Chan, Jaclyn S., Gorman, Philip M. and Zervas, Michalis N. (2014) Enhanced responsivity with skew ray excitation of reflection- and transmission-type refractometric sensors. Optics Letters, 39 (13), 3822-3825. (doi:10.1364/OL.39.003822).

Record type: Article

Abstract

The responsivity of optical fibers to refractive index can be enhanced using high-order skew rays compared with using meridional rays. Skew rays can have a much higher number of reflections with increased interaction length along the core-cladding interface, which gives rise to stronger interactions with the external medium. Reflection/transmission-type refractometric sensors based on twin-coupled-core and multimode fibers showed one/two orders of magnitude increase in responsivity with skew ray excitation. The responsivity and sensitivity for the two types are ~2000%/RIU, ~1400%/RIU, and 4.9 x 10-5 RIU, 7.0 x 10-5 RIU, respectively.

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More information

Accepted/In Press date: 16 May 2014
e-pub ahead of print date: 23 June 2014
Published date: 2014
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 366066
URI: http://eprints.soton.ac.uk/id/eprint/366066
ISSN: 0146-9592
PURE UUID: d93e0840-a30a-4ee7-94d7-e91001eb4eb7
ORCID for Michalis N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 20 Jun 2014 12:27
Last modified: 09 Jan 2022 02:41

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Contributors

Author: George Y. Chen
Author: Richard J. Lewis
Author: Lukasz Jankowski
Author: Jaclyn S. Chan
Author: Philip M. Gorman

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