期刊
OPTICS LETTERS
卷 39, 期 15, 页码 4313-4316出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.39.004313
关键词
-
类别
资金
- Natural Science Foundation of China [61205048, 61290312]
- Research Fund for the Doctoral Program of Higher Education of China [20120185120003]
- Fundamental Research Funds for the Central Universities [ZYGX2012J002]
- PCSIRT project [IRT1218]
- 111 project [B14039]
We propose a phase-sensitive optical time-domain reflectometry (Phi-OTDR) scheme with counterpumping fiber Brillouin amplification (FBA). High-sensitivity perturbation detection over 100 km is experimentally demonstrated as an example. FBA significantly enhances the probe pulse signal, especially at the second half of the sensing fiber, with only 6.4 dBm pump power. It is confirmed that its amplification efficiency is much higher than 28.0 dBm counterpumping fiber Raman amplification. The FBA Phi-OTDR scheme demonstrated in this work can also be incorporated into other distributed fiber-optic sensing systems for extension of sensing distance or enhancement of sensing signal level. (C) 2014 Optical Society of America
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据