Brillouin Optical Time Domain Reflectometry using a Reference Brillouin Ring Laser

被引：0
|
作者：
Zhang, Xuping [1 ]
Wang, Rugang [1 ]
Yao, Yuguo [1 ]
机构：
[1] Nanjing Univ, Inst Opt Commun Engn, Nanjing 210093, Jiangsu, Peoples R China
来源：
22ND INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS, PTS 1-3 | 2012年 / 8421卷
关键词：
Heterodyne; optical time domain reflectometry; laser; fiber; stimulated Brillouin Scattering; TEMPERATURE; SCATTERING; FIBERS; STRAIN;
D O I：
10.1117/12.968294
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
A single frequency Brillouin fiber laser used as a local oscillator for Brillouin optical time domain reflectometry (BOTDR) is designed and developed without using expensive instruments or complicated system. A BOTDR with this reference Brillouin laser for distributed measurement over 53km sensing fiber has been experimentally demonstrated. Experimental results show that the system can accurately measure the Brillouin scattering spectrum distribution with a much lower frequency bandwidth detector.
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页数：4
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