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Related Experiment Video

Updated: Jun 22, 2026

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
06:26

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets

Published on: May 15, 2017

Switchable Fresnel lens using polymer-stabilized liquid crystals.

Yun-Hsing Fan, Hongwen Ren, Shin-Tson Wu

    Optics Express
    |May 28, 2009
    PubMed
    Summary

    A novel switchable Fresnel zone plate lens was developed using polymer-stabilized liquid crystals. This simple-to-fabricate device offers fast response times and low operating voltage for polarized light applications.

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    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Liquid crystals are widely used in optical devices.
    • Fresnel zone plates offer unique focusing properties.

    Purpose of the Study:

    • To demonstrate a switchable Fresnel zone plate lens.
    • To utilize polymer-stabilized liquid crystals for lens fabrication.

    Main Methods:

    • Fabrication of a Fresnel zone plate lens using polymer-stabilized liquid crystal.
    • Testing the lens's performance with linearly polarized light.

    Main Results:

    • The switchable Fresnel zone plate lens was successfully demonstrated.
    • The device operates below 10 volts with a fast response time.
    • Effective performance was observed for linearly polarized light.

    Conclusions:

    • Polymer-stabilized liquid crystals enable simple fabrication of switchable Fresnel zone plate lenses.
    • The developed lens is suitable for low-voltage, fast-response optical applications.

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