Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils

We present a theoretical and experimental study in which we increased the sensitivity of a phase-sensitive optical time-domain reflectometer (phi-OTDR). This was achieved by constructing coils in the sensor cable, which increased the total amplitude of the impact on the fiber. We demonstrate this th...

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Autores principales: Konstantin V. Stepanov, Andrey A. Zhirnov, Kirill I. Koshelev, Anton O. Chernutsky, Roman I. Khan, Alexey B. Pnev
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/010c43aac9074f21ba3dd5d1a78cfa98
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