A Real-Time Phase Interrogator Design of the Ф-OTDR System
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2025.3621254
Abstract: Phase-sensitive optical time-domain reflectometry (Ф-OTDR) has made groundbreaking development in recent years and shows significant application potentials across various fields such as oceanographic exploration, perimeter security, and geological surveying. Contemporary Ф-OTDR systems are capable of… read more here.
Keywords: otdr system; phase; real time; time ... See more keywords
SNR enhancement with a non-local means image-denoising method for a Φ-OTDR system.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.484908
Abstract: Orthogonal pulse pairs generated by the polarization beam splitter (PBS) and the polarization maintaining-optical switch (PM-PSW) can effectively suppress the polarization fading in phase-sensitive optical time-domain reflectometry (Φ-OTDR) systems, but the PM-PSW also brings a… read more here.
Keywords: otdr system; local means; non local; snr enhancement ... See more keywords
Event recognition method based on dual-augmentation for a Φ-OTDR system with a few training samples.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.468779
Abstract: Thanks to the development of machine learning and deep learning, data-driven pattern recognition based on neural network is a trend for Φ-OTDR system intrusion event recognition. The data-driven pattern recognition needs a large number of… read more here.
Keywords: recognition; training; otdr system; method ... See more keywords