Improved thermal sensitivity of fiber Bragg gratings using a polymer overlayer


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.

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Description/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.

Item Type: Article
ISSNs: 0013-5194 (print)
Related URLs:
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78104
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:58
URI: http://eprints.soton.ac.uk/id/eprint/78104

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