154.4km BOTDA based on hybrid distributed Raman amplifications

Yun-Jiang Rao; Xin-Hong Jia; Zi-Nan Wang; Wei-Li Zhang; Cheng-Xu Yuan; Jin Li; Xiao-Dong Yan; Han Wu; Ye-Yu Zhu; Fei Peng

doi:10.1117/12.2058507

2 June 2014 154.4km BOTDA based on hybrid distributed Raman amplifications

Yun-Jiang Rao, Xin-Hong Jia, Zi-Nan Wang, Wei-Li Zhang, Cheng-Xu Yuan, Jin Li, Xiao-Dong Yan, Han Wu, Ye-Yu Zhu, Fei Peng

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91575P (2014) https://doi.org/10.1117/12.2058507
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

Ultra-long-distance distributed fiber-optic sensing based on Brillouin optical time-domain analysis (BOTDA) is achieved by using a proposed configuration of hybrid distributed Raman amplification (H-DRA), that is realized by incorporating random fiber laser (RFL) based 2nd-order pump and low-noise laser-diode (LD) based 1st-order pump. A repeater-less sensing distance of up to 154.4km with 5m spatial resolution and ~±1.4°C temperature uncertainty is successfully demonstrated, which is the longest repeater-less BOTDA reported to date.

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Yun-Jiang Rao, Xin-Hong Jia, Zi-Nan Wang, Wei-Li Zhang, Cheng-Xu Yuan, Jin Li, Xiao-Dong Yan, Han Wu, Ye-Yu Zhu, and Fei Peng "154.4km BOTDA based on hybrid distributed Raman amplifications", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575P (2 June 2014); https://doi.org/10.1117/12.2058507

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