Dual-pulse phase-OTDR-based distributed optic-fiber acoustic sensor with active laser frequency compensation.
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DOI: 10.1364/ol.560600
Abstract: We report a novel, to the best of our knowledge, distributed optic-fiber acoustic sensor in which active laser frequency compensation is proposed to improve the performance of an in-balanced Mach-Zehnder interferometer (IMZI)-based dual-pulse phase-sensitive optical… read more here.
Keywords: laser; distributed optic; sensor; optic fiber ... See more keywords