Fringing field stretching of a pillared liquid crystal droplet

    Authors

    H. Ren;S. T. Wu

    Comments

    Authors: contact us about adding a copy of your work at [email protected]

    Abbreviated Journal Title

    J. Phys. D-Appl. Phys.

    Keywords

    OPTICAL SWITCH; LENS; VOLTAGE; Physics, Applied

    Abstract

    We demonstrate a liquid crystal (LC) droplet whose surface profile could be deformed by a fringing field. In the voltage-off state, the LC droplet exhibits a pillared shape by touching both substrates. As the voltage increases, such a droplet could be stretched to a cone-like shape or thin film. For a 1.5mm aperture LC droplet, its occupied area could be expanded by similar to 4.3x at 6.5V(rms) mu m(-1). Upon removing the voltage, the droplet could fully recover to its original shape. The shape stretching and recovering time are dependent on the expanded area. With the support of silicon oil around the droplet, the device is stable and the gravity effect is negligible.

    Journal Title

    Journal of Physics D-Applied Physics

    Volume

    44

    Issue/Number

    37

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    5

    WOS Identifier

    WOS:000294768300012

    ISSN

    0022-3727

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