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Proceedings Paper

Dynamic distributed Brillouin optical fiber sensing based on multi-slope analysis
Author(s): Dexin Ba; Benzhang Wang; Dengwang Zhou; Hongying Zhang; Zhiwei Lu; Liang Chen; Xiaoyi Bao; Yongkang Dong
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Paper 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.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96344T (28 September 2015); doi: 10.1117/12.2194539
Show Author Affiliations
Dexin Ba, Harbin Institute of Technology (China)
Benzhang Wang, Harbin Institute of Technology (China)
Dengwang Zhou, Harbin Institute of Technology (China)
Hongying Zhang, Harbin Univ. of Science and Technology (China)
Zhiwei Lu, Harbin Institute of Technology (China)
Liang Chen, Univ. of Ottawa (Canada)
Xiaoyi Bao, Univ. of Ottawa (Canada)
Yongkang Dong, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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