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Interrogation of fiber grating sensor arrays with a wavelength-swept fiber laser
1998
Optics Letters
Preserved Fulltext
We demonstrate a novel application of a wavelength-swept fiber laser to fiber Bragg grating sensor-array interrogation. The laser provides high signal powers of .3 mW with ,0.1-nm spectral resolution over a 28-nm wavelength span. Using time-interval counting, we demonstrate static -dynamic strain measurements with a resolution of 0.47 me rms at a sampling rate of 250 Hz.
doi:10.1364/ol.23.000843
pmid:18087360
fatcat:hqgp3hw5tngrtnri3mwerj6a6y