Study of surface modes on a vibrating electrowetting liquid lens

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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.

Original languageEnglish
Article number171106
Number of pages4
JournalApplied Physics Letters
Issue number17
Publication statusPublished - 2017


  • Surface waves
  • Liquid interfaces
  • Lenses
  • Electrical properties
  • Geometrical optics


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