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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Nonlinearity compensation of the fibre bragg grating interrogation system based on an arrayed waveguide grating

Fusiek, G. and Niewczas, P. and Willshire, A.J. and McDonald, J.R. (2008) Nonlinearity compensation of the fibre bragg grating interrogation system based on an arrayed waveguide grating. IEEE Transactions on Instrumentation and Measurement, 57 (11). ISSN 0018-9456

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Abstract

In this paper, we report on nonlinearity compensation for a solid-state fiber bragg grating (FBG) sensor interrogation system based on an arrayed waveguide grating (AWG) device. A lookup table with calibration data is used to improve system linearity. A reduction in the absolute value of the measurement error from 120 mustrain or 15degC to 4.8 mustrain or 0.6degC, respectively, is experimentally demonstrated.