Cantilever-based two-axis fiber Bragg grating accelerometer

被引：0
|
作者：
Hou, Yuefeng [1 ,2 ]
Zhang, Wentao [1 ]
Li, Fang [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, Optoelect Syst Lab, 35 Qing Hua East Rd, Beijing 100083, Peoples R China
[2] Sembawang Huanqiu Engn Co Ltd, Shanghai, Peoples R China
来源：
INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2013: FIBER OPTIC SENSORS AND OPTICAL COHERENCE TOMOGRAPHY | 2013年 / 8914卷
基金：
美国国家科学基金会;
关键词：
FBG; accelerometer; vector; cantilever;
D O I：
10.1117/12.2034213
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
A novel Cantilever-based two-axis FBG accelerometer (FBGA) is presented. By installing two fiber Bragg gratings on the cantilever, the proposed FBGA can detect the acceleration, both its magnitude and direction. Theoretical analyses including acceleration response and natural frequency are given. The experimental results show an acceleration sensitivity of 40 pm/g in the X-axis, 18 pm/g in the Y-axis, a directivity of better than 20 dB, and a natural frequency of about 100 Hz. These results agree well with theoretical expectations.
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页数：6
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