Fig. 1. Schematic diagram of the structure of the dielectric wetting effect

Fig. 2. Oscillatory state of droplets at different frequencies

Fig. 3. Schematic diagram of the imaging system

Fig. 4. Work process

Fig. 5. Research content

Fig. 6. Simulation model

Fig. 7. Droplet simulation results

Fig. 8. Droplet vibration test setup

Fig. 9. Variation of droplet amplitude at different voltages

Fig. 10. Droplet amplitude variation at different frequencies

Fig. 11. Droplet oscillation state

Fig. 12. The highest vibration moment of a droplet over eight consecutive vibration cycles

Fig. 13. Comparison of molecular dynamics simulation and experiment results

Fig. 14. Contour extraction

Fig. 15. Optical path diagram of liquid lens

Fig. 16. Change in focal length over a sinusoidal signal period