OPTICAL SENSOR ARRANGEMENT
    1.
    发明公开

    公开(公告)号:US20240272281A1

    公开(公告)日:2024-08-15

    申请号:US18682042

    申请日:2022-08-05

    摘要: An optical sensor arrangement, for example for a LiDAR system, includes an emitter unit and a receiver unit. The emitter unit includes a semiconductor laser configured to emit coherent electromagnetic radiation having at least two wavelengths. Furthermore, the emitter unit is configured to direct the emitted electromagnetic radiation at a remote target, the receiver unit including at least one optical sensor configured to selectively detect electromagnetic radiation depending on the at least two wavelengths. The receiver unit is arranged relative to the emitter unit and configured such that electromagnetic radiation scattered or reflected by the remote target is detectable on the optical sensor.

    LIDAR MEASURING METHOD AND DEVICE WITH SUB-PULSES PRODUCED BY BIREFRINGENCE IN THE LASER RESONATOR

    公开(公告)号:US20240353541A1

    公开(公告)日:2024-10-24

    申请号:US18682121

    申请日:2022-07-29

    发明人: Jens EBBECKE

    IPC分类号: G01S7/4865 G01S17/10

    CPC分类号: G01S7/4865 G01S17/10

    摘要: A measurement method includes emitting a transmission signal comprising at least one light pulse, wherein an amplitude of an intensity of the light pulse is modulated with a modulation frequency, detecting a receiving signal comprising at least a part of the transmission signal that is reflected from an external object, selecting at least one frequency component of the receiving signal corresponding to the modulation frequency of the transmission signal, and determining a distance to the external object from a time difference between the emission of the transmission signal and the detection of the selected frequency component of the receiving signal.