Study of surface modes on a vibrating electrowetting liquid lens
Matthias Strauch (TU Delft - ImPhys/Optics)
Y. Shao (TU Delft - ImPhys/Optics)
F. Bociort (TU Delft - ImPhys/Optics)
H. Paul Urbach (TU Delft - ImPhys/Optics)
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Abstract
The increased usage of liquid lenses motivates us to investigate surface waves on the liquid's surface. During fast focal switching, the surface waves decrease the imaging quality. We propose a model that describes the surface modes appearing on a liquid lens and predicts the resonance frequencies. The effects of those surface modes on a laser beam are simulated using Fresnel propagation, and the model is verified experimentally.
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