Wei FAN, Dequan FENG, Xueguang QIAO. Low-frequency Fiber Bragg Grating Accelerometer Based on Diaphragm-type Cantilever beam（Invited）[J]. Acta Photonica Sinica, 2022, 51(10): 1006004
- Acta Photonica Sinica
- Vol. 51, Issue 10, 1006004 (2022)
Fig. 1. Structural diagram
Fig. 2. FBG and mass block vibration model
Fig. 3. The influence of major parameters on the resonant frequency and sensitivity
Fig. 4. COMSOL simulation diagram
Fig. 5. The experimental schematic diagram and hardware layout
Fig. 6. Accelerometer output response
Fig. 7. The wavelength response to acceleration at different frequencies
Fig. 8. Test curve of the amplitude-frequency response of accelerometer
Fig. 9. The anti-interference characteristic of the accelerometer
Fig. 10. Fourier spectrum of the impact response in the time domain
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Table 1. Parameters of the FBG accelerometer
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Table 2. Comparison of FBG accelerometers in different literatures
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