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14 May 2019 Simultaneous distributed strain and temperature measurement using a dual-Brillouin-peak optical fiber
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Abstract
Simultaneous distributed strain and temperature measurement based on Brillouin frequency shift (BFS) was demonstrated using a dual-Brillouin-peak single-mode (SM) optical fiber. The fiber is designed and fabricated with enhanced Brillouin gain of higher-order acoustic modes so that the gains of the multiple Brillouin peaks are at a similar level. In a 25-kilometer sensing length with 5-meter spatial resolution, the achieved temperature resolution is 2°C and the strain resolution is 40 microstrain.
Conference Presentation
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaoguang Sun, Kyle Bedard, Michael Hines, Jie Li, and Robert Dyer "Simultaneous distributed strain and temperature measurement using a dual-Brillouin-peak optical fiber", Proc. SPIE 11000, Fiber Optic Sensors and Applications XVI, 1100005 (14 May 2019); https://doi.org/10.1117/12.2518523
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