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Proceedings Paper

Optimized four-section bright-pulse distributed Brillouin sensor with high spatial resolution
Author(s): Zhisheng Yang; Xiaobin Hong; Hongxiang Guo; Jian Wu; Jintong Lin
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Paper Abstract

We propose and demonstrate a Brillouin distributed fiber sensor with high spatial resolution using four-section-brightpulse, in which the second section of the pump pulse acts as sensing pulse, while the third section is used to compensate the second echo. A general analytical model of this kind of technique is presented, which provides a full physical insight into the Brillouin interaction occurring in this configuration. A computing method to optimize the parameters in the system is also given. This simple but useful proposal is experimentally validated that can distinguish the short section with small temperature/strain change.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576D (2 June 2014); doi: 10.1117/12.2059393
Show Author Affiliations
Zhisheng Yang, Beijing Univ. of Posts and Telecommunications (China)
Xiaobin Hong, Beijing Univ. of Posts and Telecommunications (China)
Hongxiang Guo, Beijing Univ. of Posts and Telecommunications (China)
Jian Wu, Beijing Univ. of Posts and Telecommunications (China)
Jintong Lin, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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