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Related Experiment Video

Updated: Jun 19, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

High-efficiency liquid-crystal optical phased-array beam steering.

D P Resler, D S Hobbs, R C Sharp

    Optics Letters
    |October 31, 2009
    PubMed
    Summary
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    This study demonstrates efficient, one-dimensional optical beam steering using a liquid-crystal phased array. The agile, inertialess system achieves near-diffraction-limited performance at infrared wavelengths.

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Traditional optical beam steering methods often face limitations in speed, agility, and efficiency.
    • Developing inertialess and electrically tunable beam steering is crucial for advanced optical systems.

    Purpose of the Study:

    • To demonstrate efficient, one-dimensional optical beam steering.
    • To achieve near-diffraction-limited performance using a liquid-crystal phased array.
    • To explore electrical tunability and agile steering capabilities.

    Main Methods:

    • Utilized a liquid-crystal phased array for optical beam manipulation.
    • Operated the system at an infrared wavelength of 10.6 micrometers.
    • Employed electrical tuning for agile beam steering.

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    Last Updated: Jun 19, 2026

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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    Published on: April 1, 2020

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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    Main Results:

    • Achieved efficient one-dimensional optical beam steering.
    • Demonstrated near-diffraction-limited beam quality.
    • Showcased agile and inertialess steering capabilities.

    Conclusions:

    • Liquid-crystal phased arrays offer a viable solution for efficient and agile optical beam steering.
    • The demonstrated technology is suitable for infrared applications requiring precise beam control.