Yue Chen, Chenbin Wu, Zhongcheng Liang, Meimei Kong, Rui Zhao, Jianfei Guan, Tao Chen. Preparation and Performance Test of Optical Liquid Phase Modulator Based on Piezoelectric Ceramic[J]. Chinese Journal of Lasers, 2022, 49(23): 2305001
- Chinese Journal of Lasers
- Vol. 49, Issue 23, 2305001 (2022)
Fig. 1. Structural diagram of piezoelectric ceramic optical liquid phase modulator
Fig. 2. Physical picture of phase modulator
Fig. 3. Optical path diagram of interference phase detection system
Fig. 4. Selected reference line
Fig. 5. Gray value versus relative position of fringe
Fig. 6. Gray values under different driving voltages
Fig. 7. Gray value versus voltage. (a) Voltages are 1.0 V and 8.0 V; (b) voltages are 8.0 V and 15.0 V
Fig. 8. Fringe gray values under different applied voltages
Fig. 9. Optical path versus voltage.(a) Voltage is 0－28.0 V; (b) voltage is 3.0－4.0 V
Fig. 10. Time response curve of phase modulator at driving voltage of 25.0 V
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Table 1. Comparison of phase modulation amplitude range and control condition of liquid phase modulator
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