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Observation of Rayleigh scattering by simplified optical correlation-domain reflectometry without frequency shifter

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arxiv 2303.08453 v1 pith:LU2QKTY7 submitted 2023-03-15 physics.optics

Tomoya Miyamae , Zhu Guangtao , Takaki Kiyozumi , Kohei Noda , Heeyoung Lee , Kentaro Nakamura , Yosuke Mizuno This is my paper · ORCID
classification physics.optics
keywords lossopticalrayleighcorrelation-domainfiberfrequencymethodreflectometry
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We present a method for measuring the transmission loss of an optical fiber using simplified optical correlation-domain reflectometry. By intentionally lowering the spatial resolution of the system, we observe the Rayleigh scattered signal for the first time without the need for a frequency shifter. Using this method, we simultaneously measure the transmission loss, location, and loss of faulty connections along a 10-km-long fiber under test by performing distributed reflected-power measurements of Rayleigh scattering and Fresnel reflection.

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