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We demonstrate the design methodology, geometrical analysis, device fabrication, and testing of a double-sided design of tunable-focus dielectrophoretic liquid miniature lenses. This design is intended to reduce the driving voltage for tuning the lens, utilizing a double-sided electrode design that enhances the electric field magnitude. Fabricated devices were tested and measurements on a goniometer...
This paper reports the fabrication and the characterization of a black silicon based iris that shows significant reduction in the unwanted stray light due to scattering and reflection on the iris surfaces. The iris was characterized by recording the far-field diffraction pattern at a 532-nm wavelength. The intensity at dark rings is reduced by a factor of up to 5, which makes the bright 0th order...
This paper reports on a novel double-sided design of an electrode structure that drives a tunable liquid microlens based on the dielectrophoretic force. The clear advantage of our double-sided design over previously reported conventional single-sided design of electrodes for tunable electro-hydrodynamic lenses is the much lower driving voltage, given similar device scale on the order of 1mm of lens...
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