154.4km BOTDA based on hybrid distributed Raman amplifications

被引：7

作者：

Rao, Yun-Jiang ^{[1
]}

Jia, Xin-Hong ^{[1
]}

Wang, Zi-Nan ^{[1
]}

Zhang, Wei-Li ^{[1
]}

Yuan, Cheng-Xu ^{[1
]}

Li, Jin ^{[1
]}

Yan, Xiao-Dong ^{[1
]}

Wu, Han ^{[1
]}

Zhu, Ye-Yu ^{[1
]}

Peng, Fei ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Key Lab Opt Fiber Sensing & Commun, Educ Minist China, Chengdu 611731, Sichuan, Peoples R China

来源：

23RD INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS | 2014年 / 9157卷

关键词：

Distributed fiber-optic sensing; BOTDA; random fiber laser; distributed Raman amplification; FEEDBACK FIBER LASERS; RAYLEIGH-SCATTERING; OPTIMIZATION; GENERATION; SENSORS; CAVITY;

D O I：

10.1117/12.2058507

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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 similar to +/- 1.4 degrees C temperature uncertainty is successfully demonstrated, which is the longest repeater-less BOTDA reported to date.

引用

页数：4

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