High-Spatial-Resolution Optical Correlation-Domain Reflectometry with 100-km Measurement Range Article Swipe

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Takaki Kiyozumi , Soshi Yoshida , Yuta Higa , K. Motoda , Sze Yun Set , Shinji Yamashita , Yosuke Mizuno ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2511.18400

In the maintenance of optical fiber networks, there is a growing demand for high-precision measurement of optical loss distribution and fault locations over long distances. In this study, we propose an OCDR method incorporating periodic pseudo-random modulation (PPRM), and demonstrate that it enables the acquisition of loss distribution based on Rayleigh scattering and the positions of reflection points in an approximately 100-km optical fiber, with a spatial resolution of about 19 cm and a measurement time of about 20 seconds.

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Type: preprint
Landing Page: http://arxiv.org/abs/2511.18400
PDF: https://arxiv.org/pdf/2511.18400
OA Status: green
OpenAlex ID: https://openalex.org/W4416764510

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OpenAlex ID: https://openalex.org/W4416764510

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DOI: https://doi.org/10.48550/arxiv.2511.18400

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Title: High-Spatial-Resolution Optical Correlation-Domain Reflectometry with 100-km Measurement Range

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Type: preprint

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Publication year: 2025

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Publication date: 2025-11-23

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Authors: Takaki Kiyozumi, Soshi Yoshida, Yuta Higa, K. Motoda, Sze Yun Set, Shinji Yamashita, Yosuke Mizuno

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Landing page: https://arxiv.org/abs/2511.18400

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PDF URL: https://arxiv.org/pdf/2511.18400

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OA status: green

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Cited by: 0

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