Optimized four-section bright-pulse distributed Brillouin sensor with high spatial resolution

Zhisheng Yang; Xiaobin Hong; Hongxiang Guo; Jian Wu; Jintong Lin

doi:10.1117/12.2059393

2 June 2014 Optimized four-section bright-pulse distributed Brillouin sensor with high spatial resolution

Zhisheng Yang, Xiaobin Hong, Hongxiang Guo, Jian Wu, Jintong Lin

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91576D (2014) https://doi.org/10.1117/12.2059393
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

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.

Citation Download Citation

Zhisheng Yang, Xiaobin Hong, Hongxiang Guo, Jian Wu, and Jintong Lin "Optimized four-section bright-pulse distributed Brillouin sensor with high spatial resolution", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576D (2 June 2014); https://doi.org/10.1117/12.2059393

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