Fiber-optic vibration sensor system

被引：13

作者：

Chang, Jun ^{[1
,2
]}

Wang, Qingpu ^{[1
]}

Zhang, Xingyu ^{[1
]}

Ma, Liangzhu ^{[2
]}

Wang, Hao ^{[1
]}

Zhang, Sasa ^{[1
]}

Wang, Qian ^{[2
]}

Ni, Jiasheng ^{[2
]}

Wu, Yanbin ^{[2
]}

机构：

[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China

[2] Shandong Acad Sci, Laser Inst, Jinan 250014, Peoples R China

来源：

LASER PHYSICS | 2008年 / 18卷 / 07期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

Fiber Bragg gratings;

D O I：

10.1134/S1054660X08070165

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A vibration measuring system based on a matched-fiber Bragg grating (FBG) is demonstrated, and the cross sensitivity of the temperature and strain was reduced by packaging the matched-sensing and interrogation FBG in the same shell, theory, system structure, and experimental results are presented. The experimental results demonstrated that the system has a good response to the 8-80 Hz vibration signal; it responds well to an acceleration of as low as 0.05 m/s(2), the system was deployed in a coalmine,and good experimental result were received. Because the system has the advantage of intrinsic safety and an easy multiplex, it has good prospects in the mining and petrochemical industry.

引用

页码：911 / 913

页数：3

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