公开(公告)号：US11796680B2

公开(公告)日：2023-10-24

申请号：US16994383

申请日：2020-08-14

Applicant: Shanghai Jiao Tong University

Inventor： Kan Wu ,  Chao Li ,  Xianyi Cao ,  Jianping Chen

IPC: G01S7/481 ,  G01S17/894 ,  G02B6/35

CPC classification number: G01S17/894 ,  G01S7/4813 ,  G01S7/4817 ,  G01S7/4818 ,  G02B6/3548

Abstract: Lidar detection device based on a lens and an integrated beam transceiver, comprising a laser, a coupling fiber, a substrate, an input waveguide, a connection waveguide, a 1×N optical switch, a switch electrical interface, N switch output waveguides, N transceiving units, an off-chip processor and a lens, wherein N is a positive integer above 2. The invention can realize three-dimensional detection of a target, and the invention has the characteristics of two-dimensional beam steering independent of wavelength switching, low control complexity, low electric power consumption, receiving and emitting monolithic integration and high receiving efficiency, and being compatible with two laser ranging functions of ToF and FMCW.

公开(公告)号：US10444596B1

公开(公告)日：2019-10-15

申请号：US16255802

申请日：2019-01-23

Applicant: Shanghai Jiao Tong University

Inventor： Kan Wu ,  Xianyi Cao ,  Chao Li ,  Jianping Chen

IPC: G02F1/313 ,  G02B6/12

Abstract: A lens-based integrated two-dimensional beam steering device comprising a substrate, an input waveguide, a connecting waveguide, a 1×N optical switch, an electrical interface for the switch, N output waveguides of the switch, N transmitting units, a lens and a controller. The device of the present invention realizes two-dimensional beam steering and has the characteristics of large power capacity, low control complexity, and low electric power consumption.