Geiger, H., Xu, M.G., Eaton, N.C. and Dakin, J.P.
Electronic tracking system for multiplexed fibre grating sensors
Electronics Letters, 31, (12), . (doi:10.1049/el:19950641).
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We demonstrate for the first time an electronic lock-in system using an acousto-optic tunable filter (AOTF) to track the wavelength of a fibre Bragg grating. The system has an output frequency proportional to the grating wavelength. Initial results show microstrain resolution at data acquisition rates of 10 Hz.
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