Real-Time Diverse Fiber Sensing Multi-Event Detection using Phase OTDR Measurements

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Nov 10, 2025
Konstantinos Alexoudis, Jasper Müller, Sai Kireet Patri, Vincent A. J. M. Sleiffer, Vishal Chandraprakash Rai, André Sandmann, Sander Jansen, Thomas Bradley, Chigo Okonkwo

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We demonstrate an experimental phase optical time-domain reflectometry (OTDR) system capable of simultaneous detection and classification of various environmental events, such as wind-induced fiber movement, vehicle movement, and audio signatures, with real-time visualization.

* This work has been partially funded by the German Federal Ministry of Education and Research in the project HYPERCORE (#16KIS2098). We also acknowledge the Bilateral Project "DistraSignalSense" between the Eindhoven University of Technology, The Netherlands, and Adtran Networks SE  
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