Sos Lab Co., Ltd.

Hee Sun Yoon

Jun Hwan Jang

Jai Hi Cho

Chan M Lim

Hoon Il Jeong

Chang Mo Jeong

A vertical cavity surface emitting laser (VCSEL) array, comprising: a first sub-array includes a plurality of VCSEL units arranged along a first axis, and wherein the first sub-array includes: a first VCSEL unit includes a first upper contact and a first bottom contact; and a second VCSEL unit includes a second upper contact and a second bottom contact; a first contact electrically connected to the first upper contact and the second bottom contact; and a second contact electrically connected to the second upper contact and the first bottom contact, wherein the first VCSEL unit is operated when a first voltage is applied to the first contact and a second voltage smaller than the first voltage is applied to the second contact, and wherein the second VCSEL unit is operated when the second voltage is applied to the first contact and the first voltage is applied to the second contact.

Laser emitting unit and LiDAR device using the same

A lidar device comprises: a laser emitting unit for including a plurality of VCSEL elements emitting a laser beam; a metasurface for including a plurality of beam steering cells arranged in a form of two-dimensional array by a row direction and a column direction, wherein the plurality of beam steering cells guide the laser beam by using nanopillars; wherein the nanopillars included in the plurality of beam steering cells form a subwavelength pattern, wherein the increase of an attribute related to at least one of the width, height, and number per unit length of the nanopillars is repetitive along the direction from the center of the metasurface to the position of the row corresponding to the plurality of beam steering cells.

LiDAR device comprising a plurality of beam steering cells for steering a laser beam

Laser emitting unit and lidar device using the same

LiDAR device

Lidar device

Growing community of inventors

Incheon, South Korea

Hee Sun Yoon