Fiber Bragg grating accelerometer based on symmetrical double flexure hinges

Luo Xiaodong; Li Yongfang; Feng DequanGao HongZhang Jianxin

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Fiber Bragg grating accelerometer based on symmetrical double flexure hinges

机译：Fiber Bragg grating accelerometer based on symmetrical double flexure hinges

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摘要

A compact fiber Bragg grating (FBG) accelerometer based on symmetrical double flexure hinges structure is designed and demonstrated, which integrates the elastic elements and the inertial masses. The resonant frequency and sensitivity of the accelerometer are theoretically analyzed, and then the sensing performance of the accelerometer is researched through experiment. In the experiment, the wavelength shift of FBG shows a good linear response to external acceleration, the linearity is better than 99.6. The measured resonant frequency of the accelerometer is about 890 Hz, and the sensitivity is about 41 pm/G. The experimental results are in good agreement with the theoretical values. The proposed accelerometer is capable of measuring the vibration acceleration in a wide range of 50-600 Hz, which makes the accelerometer have a good application prospect in the engineering fields.

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来源
《Optical fiber technology》 |2022年第1期|1.1-1.6|共6页
作者
Luo Xiaodong; Li Yongfang; Feng DequanGao HongZhang Jianxin;
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作者单位

Shaanxi Normal Univ||Xian Shiyou Univ;

Shaanxi Normal Univ;

Xian Shiyou Univ;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Fiber Bragg grating (FBG); Accelerometer; Symmetrical hinges; Resonant frequency; Sensitivity;

Fiber Bragg grating accelerometer based on symmetrical double flexure hinges

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