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28 September 2015 Dynamic distributed Brillouin optical fiber sensing based on multi-slope analysis
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96344T (2015) https://doi.org/10.1117/12.2194539
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
Abstract
We propose and demonstrate a dynamic Brillouin optical fiber sensing based on the multi-slope analysis, which features a large measurement range of strain and the capability of real-time data processing. The multi-slope analysis is realized by using the frequency-agility modulation and it can significantly increase the measurement range compared with the single-slope analysis, while maintaining the advantage of fast data processing time and suitable for real-time monitoring. In experiment, we performed a measurement of strain up to 5000 με with the frequency of 13 Hz by using a six-slope analysis.
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Dexin Ba, Benzhang Wang, Dengwang Zhou, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao, and Yongkang Dong "Dynamic distributed Brillouin optical fiber sensing based on multi-slope analysis", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96344T (28 September 2015); https://doi.org/10.1117/12.2194539
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