A novel fiber Bragg grating acceleration sensor based on the double-hinge structure

被引：0
|
作者：
Sun, Yudan [1 ]
Li, Binwen [2 ]
Li, Wenjing [2 ]
Liu, Qiang [2 ]
Fu, Tianshu [2 ]
Liu, Wei [2 ]
Chu, Paul K. [3 ]
Liu, Chao [2 ]
机构：
[1] Daqing Normal Univ, Coll Mech & Elect Engn, Daqing 163712, Peoples R China
[2] Northeast Petr Univ, Sch Phys & Elect Engn, Daqing 163318, Peoples R China
[3] City Univ Hong Kong, Dept Mat Sci & Engn, Dept Phys, Kowloon,Dept Biomed Engn, Tat Chee Ave, Hong Kong, Peoples R China
来源：
JOURNAL OF OPTICS-INDIA | 2024年
关键词：
Acceleration sensor; FBG; Double hinge; Vibration measurement; VIBRATION SENSOR;
D O I：
10.1007/s12596-024-02093-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel fiber Bragg grating (FBG) acceleration sensor with the double-hinge structure is designed and analyzed. The influence of the structural parameters on the sensor characteristics is determined theoretically and the structural parameters are optimized by the finite element method. By adopting the optimal structural parameters, the double hinge structure is prepared with 304 stainless steel and the FBG which is pasted on the surface of the two hinges is used to measure the acceleration sensing characteristics. Experimental results reveal flat response in the vibration frequency range of 50 similar to 600 Hz and sensitivity of 300 mV/g at 600 Hz. At the same time, the operational frequency range and sensitivity can be adjusted to accomplish a wide dynamic range and high sensitivity by optimizing the hinge parameters.
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页数：8
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