Polarization-insensitive, omnidirectional fiber-optic ultrasonic sensor with quadrature demodulation.
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DOI: 10.1364/ol.397955
Abstract: We report an ultrasonic sensor system based on a low-finesse Fabry-Perot interferometer (FPI) formed by two weak chirped fiber Bragg gratings (CFBGs) on a coiled single-mode fiber. The sensor system has several desirable features for… read more here.
Keywords: fiber coil; ultrasonic sensor; fiber; quadrature demodulation ... See more keywords