Introducing Coherent MIMO Sensing, a fading-resilient, polarization-independent approach to phase-OTDR
Sterenn Guerrier,
Christian Dorize,
Elie Awwad
et al.
Abstract:Nowadays, long distance optical fibre transmission systems use polarization diversity multiplexed signals to enhance transmission performance. Distributed acoustic sensors (DAS) use the same propagation medium ie. single mode optical fibre, and aims at comparable targets such as covering the highest distance with the best signal quality. In the case of sensors, a noiseless transmission enables to monitor a large quantity of mechanical events along the fibre. This paper aims at extending the perspectives of DAS… Show more
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