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    Slow-Light Waveguide Provides Beam-Steering Capabilities for Lidar

    Article obtained from Photonics RSS Feed.

    In the field of lidar, where speed is often valued above other variables, a team from Yokohama National University is using “slow light” to develop compact, easy-to-use, 3D sensors with nonmechanical beam-steering capabilities.

    “Currently existing optical beam-steering devices all use some kind of mechanics, such as rotary mirrors,” professor Toshihiko Baba said. “This makes the device large and heavy, with limited overall speed and a high cost.” Optical phased arrays can be used to direct the optical beam without mechanical parts, but this approach requires a large number of optical antennas and each antenna needs to be calibrated.

    For its nonmechanical approach to beam-steering, the…

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    Jan, 21 2020 |

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