Dakuan YU, Xiangyu WANG, Hong GAO, Qinpeng LIU, Wei FAN, Xueguang QIAO. High-Frequency Fiber Bragg Grating Accelerometer Based on Symmetric Flexible Hinges（Invited）[J]. Acta Photonica Sinica, 2022, 51(10): 1006003
- Acta Photonica Sinica
- Vol. 51, Issue 10, 1006003 (2022)
Fig. 1. Schematic of the acceleration geophone structure
Fig. 2. Structure of the geophone elevation view
Fig. 3. The effects of the structural parameters on the resonant frequency
Fig. 4. The modal analysis of the geophone
Fig. 5. Frequency response simulation analysis of geophone
Fig. 6. Vibration experimental system
Fig. 7. Amplitude-frequency curve of the geophone
Fig. 8. Acceleration response curve of the geophone
Fig. 9. The transverse anti-interference characteristics of geophone
Fig. 10. Time-domain and frequency-domain curve of the impulse response
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Table 1. Structure parameters of the optimized geophone
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