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Related Experiment Video

Updated: May 17, 2026

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

Published on: May 15, 2017

Field-induced multimode liquid crystal switchable grating based on patterned alignment.

Shilong Li, Hao Cheng, Yuting Ren

    Optics Letters
    |May 15, 2026
    PubMed
    Summary
    This summary is machine-generated.

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    A novel liquid crystal (LC) grating offers flexible multimode switching between 1D and 2D formats by controlling applied voltage. This tunable grating has potential applications in optical communication and 3D displays.

    Area of Science:

    • Photonics
    • Materials Science

    Background:

    • Liquid crystal (LC) gratings are crucial optical components.
    • Achieving tunable and multimode LC gratings remains a challenge.

    Purpose of the Study:

    • To propose and fabricate a field-induced multimode LC switchable grating.
    • To demonstrate flexible switching between one-dimensional (1D) and two-dimensional (2D) grating modes.

    Main Methods:

    • Fabrication using patterned alignment and in-plane switching (IPS) electrodes.
    • Voltage-controlled switching of grating modes (no voltage, low voltage, high voltage).
    • Synergistic regulation of an alignment layer-electrode phase grating.

    Main Results:

    • Demonstrated 1D grating in the absence of voltage (patterned alignment).

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    Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
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  • Achieved 2D grating under low driving voltage.
  • Switched to a distinct 1D* grating under high voltage (IPS electrodes).
  • Configurable grating periods and fringe directions via design and process parameters.

    • Conclusions:

    • The developed LC grating offers simple fabrication and flexible multimode switching.
    • The device couples two independent gratings regulated by alignment and electrodes.
    • Broad application prospects in optical communication and 3D displays.