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Modal liquid crystal array of optical elements.

J F Algorri, G D Love, V Urruchi

    Optics Express
    |October 24, 2013
    PubMed
    Summary
    This summary is machine-generated.

    A new liquid crystal array uses modal control for tunable optical elements. This device, driven by custom electronics, can form prism and axicon arrays, with simulations matching experimental results.

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    Area of Science:

    • Photonics and optical engineering
    • Materials science

    Background:

    • Liquid crystal displays (LCDs) are widely used but often lack dynamic reconfigurability.
    • Modal control principles offer a pathway to advanced optical functionalities.

    Purpose of the Study:

    • To propose and demonstrate a novel liquid crystal array based on modal control.
    • To develop a simulation tool for predicting the device's electro-optic response.
    • To investigate the device's versatility in creating tunable optical elements.

    Main Methods:

    • Designed a liquid crystal array with a six-striped electrode structure for a 2D matrix.
    • Developed a simulation program using Frank-Oseen equations and modal control theory.
    • Constructed a low-power electronics circuit for generating complex waveforms to drive the device.

    Main Results:

    • Simulations accurately predicted voltage distribution, interference patterns, and unwrapped phase.
    • Demonstrated the generation of a liquid crystal prism array with tunable slope.
    • Successfully configured the device as an axicon array, with experimental results aligning with simulations.

    Conclusions:

    • The proposed liquid crystal array effectively utilizes modal control for reconfigurable optical functions.
    • The developed simulation and driving electronics enable high tuning versatility.
    • The device shows promise for applications requiring dynamic optical element generation.