SNR enhancement in high-resolution phase-sensitive OTDR systems using chirped pulse amplification concepts.
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DOI: 10.1364/ol.42.001728
Abstract: Phase-sensitive optical time-domain reflectometry (φOTDR) is widely used for the distributed detection of mechanical or environmental variations with resolutions of typically a few meters. The spatial resolution of these distributed sensors is related to the… read more here.
Keywords: resolution; chirped pulse; phase sensitive; pulse amplification ... See more keywords