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公开(公告)号：US20150009485A1
公开(公告)日：2015-01-08
申请号：US14321649
申请日：2014-07-01
Inventor： Bongki MHEEN , Myoungsook OH , Jae-Sik SIM , Jung-Ho SONG , Hong-Seok SEO , Minhyup SONG
CPC classification number: G01S17/936 , G01S7/4817 , G01S17/87 , G01S17/89
Abstract: Provided is a laser radar system. The laser radar system includes a first transmission and reception unit sequentially radiating a first laser beam to a plurality of locations within a first view range and receiving a reflected light; and a second transmission and reception unit sequentially radiating a second laser beam to a plurality of locations within a second view range and receiving a reflected light, wherein each of the first transmission and reception unit and the second transmission and reception unit is fixed to a loader and independently searches for the first view range and the second view range.
Abstract translation: 提供了一种激光雷达系统。 激光雷达系统包括：第一发射和接收单元，其将第一激光束顺序地辐射到第一视野范围内的多个位置并接收反射光; 以及第二发送和接收单元，将第二激光束顺序地辐射到第二视野范围内的多个位置并接收反射光，其中，所述第一发送和接收单元和所述第二发送和接收单元中的每一个被固定到装载器 并且独立地搜索第一视图范围和第二视图范围。
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公开(公告)号：US20140240691A1
公开(公告)日：2014-08-28
申请号：US13916250
申请日：2013-06-12
Inventor： Bongki MHEEN , MyoungSook Oh , Kisoo Kim , Jae-Sik Sim , Yong-Hwan Kwon , Eun Soo Nam
IPC: G01S17/89
CPC classification number: G01S17/89 , G01S7/4815 , G01S7/4818 , G01S7/484 , G01S7/4863
Abstract: Disclosed are a laser radar system and a method for acquiring an image of a target, and the laser radar system includes: a beam source to emit the laser beam; a beam deflector disposed between the beam source and the target, and configured to deflect the laser beam emitted from the beam source in a scanning direction of the target as time elapses; and an optical detector configured to detect the laser beam reflected from the target, which is provided a plurality of beam spots having a diameter DRBS; and a receiving optical system disposed between the target and the optical detector and configured to converge the laser beam reflected from the target, and the optical detector includes a detecting area having a diameter DDA that satisfies an equation of √{square root over (/2)}×PRBS+2×DRBS≦DDA≦2×Dlens and an equation of (4/π)×λ×F_number
Abstract translation: 公开了一种用于获取目标图像的激光雷达系统和方法，并且激光雷达系统包括：发射激光束的光束源; 光束偏转器，设置在所述光束源和所述目标之间，并且被配置为随着时间的过去使从所述光束源发射的激光束沿所述目标的扫描方向偏转; 以及光检测器，被配置为检测从所述目标物反射的激光束，所述激光束设置有多个具有直径DRBS的光束点; 以及接收光学系统，设置在所述目标和所述光学检测器之间并且被配置为会聚从所述目标物反射的所述激光束，并且所述光学检测器包括具有直径DDA的检测区域，所述检测区域满足以下等式：√{平方根超过（/ 2 ）}×PRBS + 2×DRBS＆nlE; DDA＆nlE; 2×Dlens和（4 /＆pgr;）×λ×F_number
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公开(公告)号：US20190181605A1
公开(公告)日：2019-06-13
申请号：US16176453
申请日：2018-10-31
Inventor： Hong-Seok SEO , Bongki MHEEN , Gyu Dong CHOI
IPC: H01S3/094 , H01S5/10 , H01S5/068 , H01S5/024 , H01S3/16 , H01S3/0941 , H01S5/06 , H01S5/12 , H01S3/067 , H01S3/10
Abstract: A semiconductor laser diode light source package includes: a seed light source for outputting signal beams; a pump beam source for outputting pump beams; and at least one mirror for transmitting the signal beams to a core of an output optical fiber and transmitting the pump beams to first cladding of the output optical fiber, wherein the seed light source, the pump beam source, and the at least one mirror are realized in a semiconductor chip, and the output optical fiber is connected to an end terminal of the semiconductor laser diode light source package.
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Patent Agency Ranking
公开(公告)号：US20170261371A1
公开(公告)日：2017-09-14
申请号：US15299651
申请日：2016-10-21
Inventor： Bongki MHEEN , Hong-Seok SEO , Min Hyup SONG , Gyu Dong CHOI
CPC classification number: G01J1/44 , G01J1/4228 , G01J2001/4233 , G01J2001/4406 , G01J2001/446 , G01S7/4814 , G01S7/4815 , G01S7/4816 , G01S7/4817 , G01S7/486 , G01S7/4863 , G01S17/42 , G01S17/89 , H04B10/60
Abstract: There are provided an optical receiver and a laser radar including the same. The optical receiver includes a plurality of optical detecting units configured to convert an optical signal reflected from a target into an electrical signal and to output the electrical signal, a signal combiner configured to combine output signals of the plurality of light detecting regions, a plurality of switches provided between the plurality of optical detecting units and the signal combiner, and a controller configured to control the plurality of switches so that the plurality of optical detecting units are selectively connected to the signal combiner based on whether the optical signal to reflected from the target is input. Therefore, it is possible to make a module small, to improve stability and reliability, and to reduce a signal to noise ratio.
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5.发明申请公开(公告)号：US20150079722A1
公开(公告)日：2015-03-19
申请号：US14553968
申请日：2014-11-25
Inventor： Bongki MHEEN , Myoungsook OH , Kisoo KIM , Jae-Sik SIM , Yong-Hwan KWON , Eun Soo NAM
IPC: H01L31/18 , H01L31/0352 , H01L31/107
CPC classification number: H01L31/18 , H01L31/02002 , H01L31/035272 , H01L31/107
Abstract: Disclosed are an avalanche photodiode with a guard ring structure that relieves edge breakdown by an external voltage which is applied through a metal pad which is attached to the guard ring and a manufacturing method thereof. An avalanche photodiode with a guard ring structure includes a plurality of semiconductor layers laminated on a substrate; an active region partially formed above the semiconductor layers; a guard ring which is formed above the semiconductor layers and disposed so as to be spaced apart from the active region and have a ring shape that encloses the active region; and a connecting unit formed on the semiconductor layers to be electrically connected to the guard ring so as to apply an external voltage to the guard ring region. Therefore, the external voltage is applied to the guard ring of the avalanche diode through the connecting unit to relieve the edge breakdown.
Abstract translation: 本发明公开了一种具有保护环结构的雪崩光电二极管及其制造方法，所述雪崩光电二极管通过外部电压消除边缘击穿，所述外部电压通过附着于保护环的金属焊盘而施加。 具有保护环结构的雪崩光电二极管包括层叠在基板上的多个半导体层; 部分地形成在半导体层之上的有源区; 保护环，其形成在半导体层上方并且被设置成与有源区间隔开并且具有包围有源区的环形形状; 以及连接单元，其形成在所述半导体层上以与所述保护环电连接，以将外部电压施加到所述保护环区域。 因此，通过连接单元将外部电压施加到雪崩二极管的保护环，以缓解边缘故障。
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公开(公告)号：US20220231475A1
公开(公告)日：2022-07-21
申请号：US17513586
申请日：2021-10-28
Inventor： Hong-Seok SEO , Bongki MHEEN , Munhyun HAN
Abstract: Disclosed is a laser radar device, which includes a signal light source that outputs a first signal light, a pump light source that outputs a pump light, a pump optical fiber that transfers the pump light, a first signal optical fiber that transfers the first signal light, a first amplifier that receives and amplifies the first signal light from the first signal optical fiber, a second signal optical fiber that receives and transfers a second signal light from the first amplifier, the second signal light being obtained by amplifying the first signal light, a second amplifier that receives and amplifies the second signal light from the second signal optical fiber, and an optical coupler connected to the first signal optical fiber, the second signal optical fiber, and the pump optical fiber, and that distributes the pump light to the first signal optical fiber and the second signal optical fiber.
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公开(公告)号：US20200088850A1
公开(公告)日：2020-03-19
申请号：US16575135
申请日：2019-09-18
Inventor： Bongki MHEEN , Hong-Seok SEO , Gyu Dong CHOI
Abstract: A LIDAR system is provided. The LIDAR system includes: a light transmitting unit configured to drive a plurality of light emitting elements by light emitting units to irradiate light to different positions of a target object; and a light receiving unit configured to detect light that is reflected at different positions of the target object and then is incident to different light receiving positions through a plurality of light receiving regions.
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公开(公告)号：US20130341486A1
公开(公告)日：2013-12-26
申请号：US13755470
申请日：2013-01-31
Inventor： MyoungSook OH , Bongki MHEEN , Jae-Sik SIM , Kisoo KIM , Yun Jeong LEE , Yong-Hwan KWON , Eun Soo NAM
IPC: G01J1/42
CPC classification number: G01J1/42 , G01S7/481 , G01S7/4863 , G01S7/4914 , G01S17/42 , G01S17/89
Abstract: The present disclosure relates to an apparatus for obtaining 3D information using a photodetector array. The apparatus for obtaining 3D information includes: a light source unit configured to generate an optical signal of a predetermined wavelength band; a light transmission optical lens unit provided on a path of the optical signal and configured to emit the optical signal output from the light source unit in parallel or at a predetermined angle; an optical scanning unit configured to scan the light output from the light transmission optical lens unit to a surface of an object to be measured; a light reception optical lens unit configured to collect the light reflected from the surface of the object; and a photodetection unit configured to convert collected optical signals into respective electrical signals by arraying one or more photodetectors such that light reception portions thereof are collected at a center.
Abstract translation: 本公开涉及一种使用光电检测器阵列获得3D信息的装置。 用于获得3D信息的装置包括：光源单元，被配置为产生预定波长带的光信号; 光传输光学透镜单元，设置在所述光信号的路径上并被配置为平行地或以预定角度发射从所述光源单元输出的光信号; 光扫描单元，被配置为将从所述光传输光学透镜单元输出的光扫描到待测量对象的表面; 光接收光学透镜单元，被配置为收集从所述物体的表面反射的光; 以及光检测单元，被配置为通过排列一个或多个光电检测器将收集的光信号转换成各个电信号，使得其中的光接收部分被收集。
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