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Improved thermal sensitivity of fiber Bragg gratings using a polymer overlayer

Improved thermal sensitivity of fiber Bragg gratings using a polymer overlayer
Improved thermal sensitivity of fiber Bragg gratings using a polymer overlayer
Fibre Bragg gratings have been shown to have a much improved thermal sensitivity when using polymer materials with large thermal expansion coefficients as driving elements. The polymers are fixed to the fibres at an elevated temperature and the fibres are under compression instead of tension at the lower temperatures subsequently used. This allows a much wider tuning range of the Bragg gratings as silica can stand much more compression than tension. A sensitivity of 0.15nm/°C in the 1550nm wavelength regime has been achieved and the Bragg wavelength has been tuned 15nm in the temperature range 0-100°C.
0013-5194
385-387
Cruz, J.L.
91d9d692-d3f1-473e-a4ee-0e6e9be663e3
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Cruz, J.L.
91d9d692-d3f1-473e-a4ee-0e6e9be663e3
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5

Cruz, J.L., Dong, L. and Reekie, L. (1996) Improved thermal sensitivity of fiber Bragg gratings using a polymer overlayer. Electronics Letters, 32 (4), 385-387. (doi:10.1049/el:19960257).

Record type: Article

Abstract

Fibre Bragg gratings have been shown to have a much improved thermal sensitivity when using polymer materials with large thermal expansion coefficients as driving elements. The polymers are fixed to the fibres at an elevated temperature and the fibres are under compression instead of tension at the lower temperatures subsequently used. This allows a much wider tuning range of the Bragg gratings as silica can stand much more compression than tension. A sensitivity of 0.15nm/°C in the 1550nm wavelength regime has been achieved and the Bragg wavelength has been tuned 15nm in the temperature range 0-100°C.

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Published date: 1996
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 78104
URI: http://eprints.soton.ac.uk/id/eprint/78104
ISSN: 0013-5194
PURE UUID: f4a80983-0903-44a0-9f20-dc3c105bd558

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:06

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Contributors

Author: J.L. Cruz
Author: L. Dong
Author: L. Reekie

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