LIGHT DETECTION AND RANGING (LIDAR) DEVICES HAVING VERTICAL-CAVITY SURFACE-EMITTING LASER (VCSEL) EMITTERS

    公开(公告)号:US20240319378A1

    公开(公告)日:2024-09-26

    申请号:US18731976

    申请日:2024-06-03

    Applicant: Waymo LLC

    CPC classification number: G01S17/931 G01S7/4815 H01S5/183 H01S5/423

    Abstract: Example embodiments relate to light detection and ranging (lidar) devices having vertical-cavity surface-emitting laser (VCSEL) emitters. An example lidar device includes an array of individually addressable VCSELs configured to emit light pulses into an environment surrounding the lidar device. The lidar device also includes a firing circuit configured to selectively fire the individually addressable VCSELs in the array. In addition, the lidar device includes a controller configured to control the firing circuit using a control signal. Further, the lidar device includes a plurality of detectors. Each detector in the plurality of detectors is configured to detect reflections of light pulses that are emitted by one or more individually addressable VCSELs in the array and reflected by one or more objects in the environment surrounding the lidar device.

    Hybrid Time-of-Flight and Imager Module
    3.
    发明公开

    公开(公告)号:US20230194681A1

    公开(公告)日:2023-06-22

    申请号:US18171883

    申请日:2023-02-21

    Applicant: Waymo LLC

    CPC classification number: G01S7/4865 G01S7/4804 G01S7/4816 G01S17/931

    Abstract: The present disclosure relates to systems and methods that provide both an image of a scene and depth information for the scene. An example system includes at least one time-of-flight (ToF) sensor and an imaging sensor. The ToF sensor and the imaging sensor are configured to receive light from a scene. The system also includes at least one light source and a controller that carries out operations. The operations include causing the at least one light source to illuminate at least a portion of the scene with illumination light according to an illumination schedule. The operations also include causing the at least one ToF sensor to provide information indicative of a depth map of the scene based on the illumination light. The operations additionally include causing the imaging sensor to provide information indicative of an image of the scene based on the illumination light.

    Methods for Optical System Manufacturing

    公开(公告)号:US20230058317A1

    公开(公告)日:2023-02-23

    申请号:US17901545

    申请日:2022-09-01

    Applicant: Waymo LLC

    Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes providing a first substrate that has a plurality of light-emitter devices disposed on a first surface. The method includes providing a second substrate that has a mounting surface defining a reference plane. The method includes forming a structure and an optical spacer on the mounting surface of the second substrate. The method additionally includes coupling the first and second substrates together such that the first surface of the first substrate faces the mounting surface of the second substrate at an angle with respect to the reference plane.

    Array of Light Detectors with Corresponding Array of Optical Elements

    公开(公告)号:US20220244362A1

    公开(公告)日:2022-08-04

    申请号:US17659764

    申请日:2022-04-19

    Applicant: Waymo LLC

    Abstract: Example embodiments relate to arrays of light detectors with a corresponding array of optical elements. An example embodiment includes a light detection and ranging (LIDAR) system. The LIDAR system includes an array of light detectors. The LIDAR system also includes a shared imaging optic. Further, the LIDAR system includes an array of optical elements positioned between the shared imaging optic and the array of light detectors. Each light detector in the array of light detectors is configured to detect a respective light signal from a respective region of a scene. Each respective light signal is transmitted via the shared imaging optic and modified by a respective optical element in the array of optical elements based on at least one aspect of the scene.

    Hybrid time-of-flight and imager module

    公开(公告)号:US11609313B2

    公开(公告)日:2023-03-21

    申请号:US16229193

    申请日:2018-12-21

    Applicant: Waymo LLC

    Abstract: The present disclosure relates to systems and methods that provide both an image of a scene and depth information for the scene. An example system includes at least one time-of-flight (ToF) sensor and an imaging sensor. The ToF sensor and the imaging sensor are configured to receive light from a scene. The system also includes at least one light source and a controller that carries out operations. The operations include causing the at least one light source to illuminate at least a portion of the scene with illumination light according to an illumination schedule. The operations also include causing the at least one ToF sensor to provide information indicative of a depth map of the scene based on the illumination light. The operations additionally include causing the imaging sensor to provide information indicative of an image of the scene based on the illumination light.

    Array of light detectors with corresponding array of optical elements

    公开(公告)号:US11333748B2

    公开(公告)日:2022-05-17

    申请号:US16133231

    申请日:2018-09-17

    Applicant: Waymo LLC

    Abstract: Example embodiments relate to arrays of light detectors with a corresponding array of optical elements. An example embodiment includes a light detection and ranging (LIDAR) system. The LIDAR system includes an array of light detectors. The LIDAR system also includes a shared imaging optic. Further, the LIDAR system includes an array of optical elements positioned between the shared imaging optic and the array of light detectors. Each light detector in the array of light detectors is configured to detect a respective light signal from a respective region of a scene. Each respective light signal is transmitted via the shared imaging optic and modified by a respective optical element in the array of optical elements based on at least one aspect of the scene.

    Stabilizing Power Output
    8.
    发明申请

    公开(公告)号:US20220019034A1

    公开(公告)日:2022-01-20

    申请号:US16928621

    申请日:2020-07-14

    Applicant: Waymo LLC

    Abstract: The present disclosure relates to transmitter modules, vehicles, and methods associated with lidar sensors. An example transmitter module could include a light-emitter die and a plurality of light-emitter devices coupled to the light-emitter die. Each light-emitter of the plurality of light-emitter devices is configured to emit light from a respective emitter surface. The transmitter module also includes a cylindrical lens optically coupled to the plurality of light-emitter devices and arranged along an axis. The light-emitter die is disposed such that the respective emitter surfaces of the plurality of light-emitter devices form a non-zero yaw angle with respect to the axis.

    Array of Light Detectors with Corresponding Array of Optical Elements

    公开(公告)号:US20200088859A1

    公开(公告)日:2020-03-19

    申请号:US16133231

    申请日:2018-09-17

    Applicant: Waymo LLC

    Abstract: Example embodiments relate to arrays of light detectors with a corresponding array of optical elements. An example embodiment includes a light detection and ranging (LIDAR) system. The LIDAR system includes an array of light detectors. The LIDAR system also includes a shared imaging optic. Further, the LIDAR system includes an array of optical elements positioned between the shared imaging optic and the array of light detectors. Each light detector in the array of light detectors is configured to detect a respective light signal from a respective region of a scene. Each respective light signal is transmitted via the shared imaging optic and modified by a respective optical element in the array of optical elements based on at least one aspect of the scene.

    Methods for optical system manufacturing

    公开(公告)号:US10534143B1

    公开(公告)日:2020-01-14

    申请号:US16136429

    申请日:2018-09-20

    Applicant: Waymo LLC

    Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes providing a first substrate that has a plurality of light-emitter devices disposed on a first surface. The method includes providing a second substrate that has a mounting surface defining a reference plane. The method includes forming a structure and an optical spacer on the mounting surface of the second substrate. The method additionally includes coupling the first and second substrates together such that the first surface of the first substrate faces the mounting surface of the second substrate at an angle with respect to the reference plane.

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