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Demultiplexing of fibre Bragg grating temperature and strain sensors
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We describe a demultiplexing scheme for fibre optic Bragg grating sensors in which signal recovery is achieved by locking each sensor grating to a corresponding receiver grating. As a demonstration, the technique is applied to strain and temperature sensing, achieving a resolution of 3.0 με and 0.2°C, respectively.
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Elsevier