Electro-optical properties of dielectric liquid microlens

    Authors

    H. Ren; S. Xu; Y. F. Liu;S. T. Wu

    Comments

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    Abbreviated Journal Title

    Opt. Commun.

    Keywords

    LENS; ARRAY; Optics

    Abstract

    We report the electro-optical properties of dielectric liquid droplets based on dielectrophoretic effect. Due to dielectric force, the surface of each droplet can be reshaped which in turn alters its focusing behaviors. Our experimental results show that a deformed droplet can recover to its original shape with a negligible hysteresis. Both amplitude and frequency of the applied voltage play important roles affecting the droplet's shape change. The rise time is mainly governed by the applied voltage: for a given frequency a higher voltage results in a faster rise time. On the other hand, the decay time is jointly determined by the interfacial surface tensions, droplet size, and viscosity of the employed liquids. (C) 2011 Elsevier B.V. All rights reserved.

    Journal Title

    Optics Communications

    Volume

    284

    Issue/Number

    8

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    2122

    Last Page

    2125

    WOS Identifier

    WOS:000288340700006

    ISSN

    0030-4018

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