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New Multiplexing Scheme for Monitoring Fiber Optic Bragg Grating Sensors in the Coherence Domain

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Many methods have been devised for interrogating in-fiber Bragg gratings, including scanned filters (e.g., Fabry-Perot [1], acousto-optic [2], and stretched-fiber grating [3]), passive filters using wavelength selective couplers [4], readout spectrometers [5,6] and stretched-fiber interferometers [7].

© 1997 Optical Society of America

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