激光与光电子学进展, 2019, 56 (15): 150603, 网络出版: 2019-08-05
光纤干涉次声传感器研制 
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Preparation of Fiber-Optic Interferometer Based Infrasound Sensor
图 & 表
图 2. 低频次声扰动与输出信号的转化关系
Fig. 2. Relationship between output signal and low-frequency infrasound disturbance
图 4. 不同模型参数与一阶谐振频率的关系。(a)振膜材料;(b)振膜厚度;(c)振膜半径;(d)振膜预应力
Fig. 4. Relationship between different model parameters and first-order resonant frequency. (a) Diaphragm material; (b) diaphragm thickness; (c) diaphragm radius; (d) diaphragm prestress
图 5. ANSYS有限元谐响应分析结果(0~10 kHz)
Fig. 5. Results of finite element harmonic response analysis by ANSYS (0-10 kHz)
图 9. 传感器特性表征。(a)频率响应;(b)灵敏度
Fig. 9. Characterization of sensor characteristics. (a) Frequency response; (b) Sensitivity
图 10. 5 Hz声源激励下的传感器信号输出。(a)时域;(b)频谱
Fig. 10. Signal output of sensor under 5 Hz sound source excitation. (a) Time domain; (b) frequency domain
图 11. 1 Hz声源激励下的传感器信号输出。(a)时域;(b)频谱
Fig. 11. Signal output of sensor under 1 Hz sound source excitation. (a) Time domain; (b) frequency domain
李汉正, 吴高米, 马振钧, 任迪鹏, 张萌颖, 高然, 祁志美. 光纤干涉次声传感器研制[J]. 激光与光电子学进展, 2019, 56(15): 150603. Hanzheng Li, Gaomi Wu, Zhenjun Ma, Dipeng Ren, Mengying Zhang, Ran Gao, Zhimei Qi. Preparation of Fiber-Optic Interferometer Based Infrasound Sensor[J]. Laser & Optoelectronics Progress, 2019, 56(15): 150603.
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