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28 September 2015 Distributed fiber vibration measurement based on phase extraction from time-gated digital OFDR
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96342W (2015) https://doi.org/10.1117/12.2195858
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
Abstract
We demonstrate a novel distributed fiber vibration sensor based on the phase extraction from time-gated digital optical frequency domain reflectometry (TGD-OFDR), which have an advantage of wide dynamic range. With the much improved signal to noise ratio (SNR) compared to conventional phase-sensitive optical time domain reflectometry (OTDR), the phase of optical signals is extracted over a long distance up to 29 km with 2.2 m spatial resolution.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Shuai Wang, Xinyu Fan, Qingwen Liu, and Zuyuan He "Distributed fiber vibration measurement based on phase extraction from time-gated digital OFDR", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96342W (28 September 2015); https://doi.org/10.1117/12.2195858
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