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Conferences > OFS > 2023 > W4 > W4.14

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

Mana Sakamoto, Tomoya Miyamae, Kohei Noda, Kentaro Nakamura, Heeyoung Lee, and Yosuke Mizuno

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Abstract

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.

© 2023 The Author(s)

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