Simultaneous measurement of strain and temperature using the first- and second-order diffraction wavelengths of Bragg gratings


Brady, G.P., Kalli, K., Webb, D.J., Jackson, D.A., Reekie, L. and Archambault, J.L. (1997) Simultaneous measurement of strain and temperature using the first- and second-order diffraction wavelengths of Bragg gratings. IEE Proceedings: Optoelectronics, 144, (3), 156-161. (doi:10.1049/ip-opt:19971373 ).

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Description/Abstract

A method of discriminating between temperature and strain effects in using a conventionally written, in-fibre grating is presented. The technique uses wavelength information from the first and second diffraction orders of the grating element to determine the wavelength dependent strain and temperature coefficients, from which independent temperature and strain measurements can be made. The authors present results that validate this matrix inversion technique and quantify the strain and temperature errors which can arise for a given uncertainty in the measurement of the reflected wavelength

Item Type: Article
ISSNs: 1350-2433
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 77946
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:58
URI: http://eprints.soton.ac.uk/id/eprint/77946

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