A Robust and Compact Fiber Bragg Grating Vibration Sensor for Seismic Measurement

被引：82

作者：

Weng, Yinyan ^{[1
]}

Qiao, Xueguang ^{[1
]}

Guo, Tuan ^{[2
]}

Hu, Manli ^{[1
]}

Feng, Zhongyao ^{[1
]}

Wang, Ruohui ^{[1
]}

Zhang, Jing ^{[1
]}

机构：

[1] Northwest Univ, Dept Phys, Xian 710069, Peoples R China

[2] Jinan Univ, Inst Photon Technol, Guangzhou 510632, Guangdong, Peoples R China

来源：

IEEE SENSORS JOURNAL | 2012年 / 12卷 / 04期

关键词：

Cantilever beam; fiber Bragg grating (FBG); vibration sensor; ACCELEROMETER;

D O I：

10.1109/JSEN.2011.2166258

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A compact fiber Bragg grating (FBG) vibration sensor consisting a flat diaphragm and two L-shaped rigid cantilever beams for seismic measurement has been proposed and experimentally demonstrated. The specially designed sensing configuration contributes many desirable features such as a wide frequency response range (10-120 Hz), an extremely high sensitivity coefficient (similar to 100 pm/g) together with a robust metal package for improving the mechanical strength and a decreased transverse sensitivity (<5%), making it a good candidate for in-field seismic wave measurement in oil and gas exploration.

引用

页码：800 / 804

页数：5

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