High-Resolution Distributed Differential Curvature Measurement Based on Phase-Sensitive Optical Time Domain Reflectometry and Multi-Core Fiber

Luc Thévenaz, Marcelo Alfonso Soto Hernandez, Zhisheng Yang, Alejandro Dominguez Lopez
2018
Conference paper

Abstract

A distributed curvature sensor based on multicore fiber and phase-sensitive optical time domain reflectometry is presented, demonstrating a resolution of 10 cm over ~25 m of sensing range.

Official source

https://infoscience.epfl.ch/record/261281?ln=en

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High-Resolution Distributed Differential Curvature Measurement Based on Phase-Sensitive Optical Time Domain Reflectometry and Multi-Core Fiber

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Space-time wave packets with reduced divergence and tunable group velocity generated in free space after multi-mode fiber propagation

Frequency scanned phase sensitive optical time-domain reflectometry interrogation in multimode optical fibers

Phase Sensitive OTDR Strain Measurement Using Single Mode Operation in Multimode OM4 Fiber