LIDAR WITH TILTED AND OFFSET OPTICAL CAVITY

• Main Authors: GASSEND BLAISE, DAVIS RANDALL
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2021
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

The present disclosure relates to systems and methods that facilitate a scanning light detection and ranging (LIDAR) device configured to provide an asymmetric illumination pattern. An example system includes a rotatable base configured to rotate about a first axis and a mirror assembly. The mirror assembly is configured to rotate about a second axis, which is substantially perpendicular to the first axis. The system also includes an optical cavity coupled to the rotatable base. The optical cavity includes a photodetector and a photodetector lens arranged so as to define a light-receiving axis. The optical cavity also includes a light-emitter device and a light-emitter lens arranged so as to define a light- emission axis. At least one of the light-receiving axis or the light-emission axis forms a tilt angle with respect to the first axis. 本公开涉及促进被配置为提供不对称照射图案的扫描光检测和测距(LIDAR)设备的系统和方法。示例系统包括被配置为围绕第一轴线旋转的可旋转基座和镜组件。镜组件被配置为围绕第二轴线旋转，该第二轴线基本上垂直于第一轴线。系统还包括耦接到可旋转基座的光学腔体。光学腔体包括被布置以定义光接收轴线的光电探测器和光电探测器透镜。光学腔体还包括被布置以定义光发射