Spatial resolution analysis of dual-pulse ϕ-OTDR systems
Optical Sensors in Proceedings OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES)
Optica Publishing Group
1 - 2
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This work analyzes the spatial resolution of the dual-pulse -OTDR systems by changing the dual-pulse parameters and demonstrates that the spatial resolution corresponds to half of the fiber region occupied by the dual-pulse train.