Nonlinearity compensation of the fiber 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 fiber Bragg grating interrogation system based on an arrayed waveguide grating. IEEE Transactions on Instrumentation and Measurement, 57 (11). pp. 2528-2531. ISSN 0018-9456 (https://doi.org/10.1109/TIM.2008.924899)

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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 mu strain or 15 degrees C to 4.8 mu strain or 0.6 degrees C, respectively, is experimentally demonstrated.

ORCID iDs

Fusiek, G. ORCID logoORCID: https://orcid.org/0000-0002-3361-7803, Niewczas, P. ORCID logoORCID: https://orcid.org/0000-0003-3291-1725, Willshire, A.J. and McDonald, J.R. ORCID logoORCID: https://orcid.org/0000-0002-7078-845X;
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