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Proceedings Paper

Proposal and simulation of differential double-pulse pair Brillouin optical time-domain analysis
Author(s): Jianguan Tang; Wenping Luo; Beiqing Chen; Huiyong Guo; Cui Zhang
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Paper Abstract

A differential double-pulse pair Brillouin optical time-domain analysis (DDP-BOTDA) combined with the double-pulsed technique and the differential pulse-width pair technique is proposed and simulated to detect small temperature and strain changes. Using a symmetrical double-pulse pair, the system can detect small Brillouin shift with high spatial resolution and large dynamic range. Sub-meter spatial resolution is decided by the difference between the pulse-width and the peak and valley of the spectrum which is derived from differential pump depletion signals, and detectable Brillouin shift is less than 1 MHz.

Paper Details

Date Published: 15 October 2013
PDF: 4 pages
Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 892418 (15 October 2013); doi: 10.1117/12.2034162
Show Author Affiliations
Jianguan Tang, Wuhan Univ. of Technology (China)
Wenping Luo, Changjiang River Scientific Research Institute (China)
Beiqing Chen, Changjiang River Scientific Research Institute (China)
Huiyong Guo, Wuhan Univ. of Technology (China)
Cui Zhang, Wuhan Univ. of Technology (China)


Published in SPIE Proceedings Vol. 8924:
Fourth Asia Pacific Optical Sensors Conference
Minghong Yang; Dongning Wang; Yun-Jiang Rao, Editor(s)

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