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Extension of measurement range in OCDR based on double-modulation scheme

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arxiv 2309.00620 v1 pith:O26OVAUH submitted 2023-05-20 physics.ins-det physics.optics

Extension of measurement range in OCDR based on double-modulation scheme

Mana Sakamoto , Tomoya Miyamae , Kohei Noda , Kentaro Nakamura , Heeyoung Lee , Yosuke Mizuno This is my paper
classification physics.ins-det physics.optics
keywords measurementrangeocdrcorrelation-domaindemonstratedistributeddouble-modulationextend
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We extend the measurement range of optical correlation-domain reflectometry (OCDR) by modulating the laser output frequency at two frequencies, while preserving spatial resolution. We demonstrate distributed reflectivity sensing with a ten-fold extended measurement range.

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