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    New Chip-based Beam Steering – Device Lays Groundwork for Smaller, Cheaper Lidar

    August 9, 2022, Categories  Physics, Technology/Electronics

    Caption: The new OPA that replaces the multiple emitters of traditional OPAs with a slab grating to create a single emitter. This design enables a wide field of view without sacrificing beam quality.
    Image Credit: Hao Hu, Technical University of Denmark

    Technology could benefit lidar applications from autonomous driving to virtual reality. Researchers have developed a new chip-based beam steering technology that provides a promising route to small, cost-effective and high-performance lidar (or light detection and ranging) systems. Lidar, which uses laser pulses to acquire 3D information about a scene or object, is used in a wide range of applications such as autonomous driving, free-space optical communications, 3D holography, biomedical sensing and virtual reality.

    “Optical beam ste...

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