公开(公告)号：KR100453812B1

公开(公告)日：2004-10-20

申请号：KR1020010077422

申请日：2001-12-07

Applicant: 한국전자통신연구원

Inventor： 송현우 ,  김제하

IPC: H01S5/026

CPC classification number: H01S5/146 ,  H01S3/1053 ,  H01S5/02252 ,  H01S5/02284

Abstract: A fiber-grating semiconductor laser with tunability is provided, which varies a output wavelength easily. The fiber-grating semiconductor laser with tunability is the hybrid integrated module on a substrate. It consists of a semiconductor laser as a gain medium and a Bragg-grating-written fiber held in a wavelength-tuning unit. (deletion) The wavelength-tuning unit can apply compression or elongation in the fiber grating for wavelength tunability.

Abstract translation: 提供具有可调谐性的光纤光栅半导体激光器，其容易地改变输出波长。 具有可调谐性的光纤光栅半导体激光器是基板上的混合集成模块。 它由作为增益介质的半导体激光器和保存在波长调谐单元中的布拉格光栅写入光纤组成。 （删除）波长调谐单元可以在光纤光栅中施加压缩或延伸以实现波长可调性。

公开(公告)号：KR1020030062111A

公开(公告)日：2003-07-23

申请号：KR1020020002535

申请日：2002-01-16

Applicant: 한국전자통신연구원 ,  주식회사 케이티

Inventor： 백종협 ,  송현우 ,  오대곤

IPC: H01S5/30

Abstract: PURPOSE: A laser device, a fabricating method thereof, and a WDM light source device are provided to omit an exposure process by forming an optical bench having a V-shaped groove on an InP substrate. CONSTITUTION: A laser device includes an InP substrate(102), an optical bench, an active region(114), the first electrode(122), and the second electrode(124). The InP substrate includes a main surface having a crystalline surface of (100). The optical bench includes a groove(104) which is formed on the InP substrate. The active region is formed on the InP substrate. The first electrode is connected to the anode. The second electrode is connected to a cathode. The InP substrate further includes a vertical section to the main surface. The groove has a shape of V. The active region is formed with InGaAsP, InGaAs, InAlAs, InAlGaAs or InGaAsN.

Abstract translation: 目的：提供一种激光装置及其制造方法以及WDM光源装置，通过在InP基板上形成具有V形槽的光学台来省略曝光处理。 构成：激光器件包括InP衬底（102），光学工作台，有源区（114），第一电极（122）和第二电极（124）。 InP衬底包括具有（100）的晶体表面的主表面。 光学工作台包括形成在InP衬底上的凹槽（104）。 有源区形成在InP衬底上。 第一电极连接到阳极。 第二电极连接到阴极。 InP衬底还包括到主表面的垂直截面。 沟槽的形状为V.有源区域由InGaAsP，InGaAs，InAlAs，InAlGaAs或InGaAsN形成。

公开(公告)号：KR1020020054204A

公开(公告)日：2002-07-06

申请号：KR1020000083171

申请日：2000-12-27

Applicant: 한국전자통신연구원

Inventor： 송현우 ,  김성복 ,  김제하

IPC: H01S5/20

Abstract: PURPOSE: A semiconductor laser element including doped polymer waveguide is provided to select a wavelength of a semiconductor laser element stably by applying an atomic ray transition to the semiconductor laser element. CONSTITUTION: A polymer waveguide(5) is doped with a material which has an atomic ray transition. A first semiconductor waveguide(3) which is linked with one end of the polymer waveguide(5) at a Brewster angle(6) offers a gain. A second semiconductor waveguide(4) which is linked with the other end of the polymer waveguide(5) at a Brewster angle(7) selects a wavelength. A resonator mirror(1,2) is linked with the first and the second semiconductor waveguide(3,4). An electrode injects a current into the first and the second semiconductor waveguide(3,4).

Abstract translation: 目的：提供包括掺杂聚合物波导的半导体激光元件，通过向半导体激光元件施加原子射线转变来稳定地选择半导体激光元件的波长。 构成：聚合物波导（5）掺杂有具有原子射线转变的材料。 以布鲁斯特角（6）与聚合物波导（5）的一端连接的第一半导体波导（3）提供增益。 以布鲁斯特角（7）与聚合物波导（5）的另一端连接的第二半导体波导（4）选择波长。 谐振镜（1,2）与第一和第二半导体波导（3,4）连接。 电极将电流注入到第一和第二半导体波导（3,4）中。

公开(公告)号：KR100319762B1

公开(公告)日：2002-01-05

申请号：KR1019990061981

申请日：1999-12-24

Applicant: 한국전자통신연구원

Inventor： 송현우 ,  장동훈 ,  남은수 ,  이중기

IPC: H01S5/18

Abstract: 본발명은공진기거울부분에전압을인가함으로써안정된출력편광을얻을뿐만아니라인가되는전압의방향을변경함으로써출력편광의방향을효과적으로제어할수 있는수직공진표면방출반도체레이저장치에관한것으로, 화합물반도체기판, 상기화합물반도체기판상에형성된제1 공진기거울, 상기제1 공진기거울상에형성된제1 클레딩층, 상기제1 클레딩층상에형성된이득매질층, 상기전류통로층상에형성된저항물질층및 상기저항물질층상에형성된제2 공진기거울을포함하는수직공진표면방출반도체레이저를제공한다.

公开(公告)号：KR1020010057761A

公开(公告)日：2001-07-05

申请号：KR1019990061160

申请日：1999-12-23

Applicant: 한국전자통신연구원

Inventor： 장동훈 ,  이중기 ,  송현우 ,  남은수 ,  심종인

IPC: H01S5/32

Abstract: PURPOSE: An optical filter integrate laser diode and wave length fixing light source structure is provided to measure a fine optical wave length change easily with a general optical detector by using a multiple microcavity integrate structure. CONSTITUTION: A distributed feedback laser diode(DBF-LD) is supplied on a substrate(1). A multiple microcavity filter(MMCF) is arranged at the rear side of the distributed feedback laser diode. A diffraction grating(5) which is supplied at an active layer of the distributed feedback laser diode makes the distributed feedback laser diode to be operated in a designated wave length, and a part of lights that is generated there goes out through the multiple microcavity filter. The multiple microcavity filter makes a filtering lights of special wave length. Integration of the multiple microcavity filter is possible with anyone of monolithic or hybrid integration.

Abstract translation: 目的：提供集成激光二极管和波长固定光源结构的滤光片，通过使用多重微腔积分结构，通过一般的光学检测器容易地测量精细的光波长变化。 构成：在基板（1）上提供分布反馈激光二极管（DBF-LD）。 在分布式反馈激光二极管的背面设有多个微腔滤波器（MMCF）。 在分布式反馈激光二极管的有源层处提供的衍射光栅（5）使得分布式反馈激光二极管以指定的波长工作，并且其中产生的一部分光通过多个微腔滤波器 。 多个微腔滤波器产生特殊波长的滤光灯。 任何单片或混合集成都可以集成多个微腔滤波器。

公开(公告)号：KR1020160118406A

公开(公告)日：2016-10-12

申请号：KR1020150045976

申请日：2015-04-01

Applicant: 한국전자통신연구원

Inventor： 노형욱 ,  김봉규 ,  송현우 ,  안창근 ,  이수열 ,  이용재 ,  정은주

IPC: G01N29/04 ,  G01S13/06

Abstract: 본발명은레이저빔을물체에투사하고상기물체에서발생한광음향신호를복수의채널을통해수신하여각각전기적신호로변환하는프로브및 상기프로브에서채널별로생성된전기적신호를근거로빔을형성하는광음향빔포머를포함하고, 상기광음향빔포머는서로다른채널의신호가시간영역에서서로다른구간에위치하도록상기프로브에서출력된신호를시간지연시키는신호지연기및 상기신호지연기에서출력된채널별신호를하나의채널로가산하는신호가산기;를포함하는광음향빔포머를구비한영상생성장치를구현하여신호처리속도가향상되고구성이간단하다.

公开(公告)号：KR1020150051131A

公开(公告)日：2015-05-11

申请号：KR1020140087337

申请日：2014-07-11

Applicant: 한국전자통신연구원

Inventor： 송현우 ,  김봉규 ,  노형욱 ,  안창근 ,  정은주

IPC: A61B8/00

Abstract: 본발명의일 측면에따르면, 레이저빔 발생기로부터발생되는여기레이저빔을받아서일정각도로반사시키고회전에의하여상기반사된여기레이저빔을방사상으로반사시키는회전반사경; 상기회전반사경을중심으로상기회전반사경과일정반경을가진원주면에배치되며, 상기반사되어여기레이저빔이상기회전반사경의회전에의하여순차적으로각각입사받는다수개의광 연결렌즈; 및상기다수개의광 연결렌즈와각각연결되어상기광 연결렌즈에서입사받은레이저광을광 음향프로브로각각도파시키는다수개의광섬유가닥; 을포함하는레이저전달장치;를포함하는것을특징으로하는광음향영상을위한여기광스캐닝장치가제공된다.

Abstract translation: 根据本发明的实施例，光声层析成像中的激发脉冲扫描装置包括激光传输装置。 激光传输装置包括：旋转反射器，其接收从激光束发生器产生的激发激光束，以恒定角度反射激发激光束，并径向反射由旋转反射的激发激光束; 多个光连接透镜，其相对于围绕旋转反射器的旋转反射器具有恒定半径的圆周上，并且通过旋转反射器的旋转连续地接收反射的激发激光束; 和分别连接到光连接透镜的多个光纤，并且将从光学连接透镜接收的激光束波导到每个光学声音探测器。

公开(公告)号：KR1020150041561A

公开(公告)日：2015-04-16

申请号：KR1020140052405

申请日：2014-04-30

Applicant: 한국전자통신연구원

Inventor： 이용재 ,  김봉규 ,  송현우 ,  안창근 ,  정은주 ,  노형욱 ,  장원익

IPC: A61B8/00 ,  G01N29/24 ,  A61B10/00

Abstract: 본발명은초음파축과광 축을평행하게함으로써효율적인광 음향신호측정을할 수있으며, 구조를소형화시킨의료용영상을위한광 음향프로브에관한것으로, 상기광 음향프로브는, 레이저빔을출력하는레이저발생기;상기레이저발생기와평행하게배치되어, 대상체로부터출력되어입사되는초음파를분석하는초음파수신기; 레이저빔과동일축상에서발생되는초음파를수신하는제 1 및제 2 반사판; 및상기제1 반사판에서레이저를대상체로전달하고, 상기제1 및제2 반사판에서초음파의반사율을높이기위한매개물질을포함한다.

Abstract translation: 本发明涉及一种用于具有小结构的临床图像的光声探测器，其能够通过平行布置超声波轴和光轴来有效地测量光声信号。 光声信号探头包括输出激光束的激光发生器，与激光发生器并联布置的超声波接收器，分析从物体输出的入射超声波，接收超声波的第一反射板和第二反射板 在与激光束相同的轴上产生的波，以及将激光从第一反射板传输到物体并提高超声波在第一和第二反射板上的反射率的介质材料。 。

公开(公告)号：KR1020140115233A

公开(公告)日：2014-09-30

申请号：KR1020130103233

申请日：2013-08-29

Applicant: 한국전자통신연구원

Inventor： 정은주 ,  김봉규 ,  장원익 ,  안창근 ,  송현우

IPC: H04N5/225 ,  H04N5/30 ,  A61B5/00

CPC classification number: A61B5/0071 ,  H04N5/2254 ,  H04N5/2256 ,  H04N5/23229

Abstract: Disclosed is an optical imaging system capable of improving reliability and accuracy of diagnosis and effectively observing a lesion. The optical imaging system according to the present invention comprises: a first light source generator which generates a first light source which is modulated to a first frequency; a second light source generator which generates a second light source which is modulated to a second frequency; and a single camera which simultaneously detects complex emitting light sources which are emitted after the first and second light sources are irradiated on an object and output complex image detecting signals. Furthermore, the optical imaging system comprises an image processing unit which processes the complex image detecting signals to obtain a first image to express the shape of the object and a second image to express a desired target part of the object. According to the present invention, the optical imaging system is able to simultaneously obtain fluorescent signals which are hard to be obtained in a general color image, and accurately map the lesion, thereby providing information including a location, a size and a transfer degree of the lesion.

Abstract translation: 公开了一种能够提高诊断的可靠性和准确性并有效观察病变的光学成像系统。 根据本发明的光学成像系统包括：第一光源发生器，其产生被调制到第一频率的第一光源; 第二光源发生器，其产生被调制到第二频率的第二光源; 以及同时检测在第一和第二光源照射到物体之后发射的复合发光光源的单个照相机，并输出复合图像检测信号。 此外，光学成像系统包括图像处理单元，该图像处理单元处理复杂图像检测信号以获得表示对象的形状的第一图像和表示对象的期望目标部分的第二图像。 根据本发明，光学成像系统能够同时获得在一般彩色图像中难以获得的荧光信号，并且准确地映射病变，从而提供包括位置，尺寸和转印度的信息 病变。

公开(公告)号：KR1020140036789A

公开(公告)日：2014-03-26

申请号：KR1020120103345

申请日：2012-09-18

Applicant: 한국전자통신연구원

Inventor： 송현우

IPC: H01S5/183

CPC classification number: H01S5/18361 ,  H01S5/0614 ,  H01S5/18311 ,  H01S5/18341 ,  H01S5/18366 ,  H01S5/18386 ,  H01S5/18391 ,  H01S5/2081

Abstract: A vertical-cavity surface emitting laser and a method for manufacturing the same are disclosed. The laser includes a substrate, a lower reflection layer on the substrate, an active layer on the lower reflection layer, a sacrificial layer arranged on the first side of the active layer, a stopper which is separated from the sacrificial layer and arranged o the second side facing the first side of the active layer, and an upper reflection layer which is fixed to the sacrificial layer and extended to the active layer and the stopper. The stopper can define the minimum separation distance of an upper reflection mirror and the active layer.

Abstract translation: 公开了垂直腔表面发射激光器及其制造方法。 激光器包括衬底，衬底上的下反射层，下反射层上的有源层，布置在有源层的第一侧上的牺牲层，与牺牲层分离并且在第二个 面向活性层的第一侧的上侧反射层和固定在牺牲层上并延伸到有源层和塞子的上部反射层。 止动器可以限定上反射镜和有源层的最小间隔距离。