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    • 5. 发明公开
    • VERTICAL EXTERNAL CAVITY SURFACE EMITTING LASER
    • 垂直外壁表面发射激光
    • KR20070074750A
    • 2007-07-18
    • KR20060002691
    • 2006-01-10
    • SAMSUNG ELECTRONICS CO LTD
    • LIM SEONG JINCHO SOO HAENG
    • H01S5/18H01S5/183
    • H01S5/18361H01S5/041H01S5/06256
    • A vertical external cavity surface emitting laser is provided to obtain a pumping power for excitation emission of laser chip through a low output laser diode by combing the polarized light from at least two optical sources to progress at the same path through a polarized optical element. A vertical external cavity surface emitting laser includes a laser chip(23), an external cavity mirror, and a pumping unit(10) having a plurality of optical sources(11,13) and a polarized optical element(15). The laser chip(23) illuminates laser light having a predetermined wavelength. The external cavity mirror is arranged on an outer part of the laser chip(23), and forms a resonator with the laser chip(23). The pumping unit(10) is arranged on a plane or a rear plane on which the laser light of the laser chip illuminates. The pumping unit(10) provides pumping light to the laser chip(23). The plurality of optical sources(11,13) illuminate predetermined polarized light. The polarized optical element(15) is arranged between the optical source(11,13) and the plurality of laser chips(23). The polarized optical element(15) enables the light illuminated from the plurality of optical sources(11,13) to progress along an optical path by penetrating or reflecting the incident light according to the polarized direction.
    • 提供垂直的外腔表面发射激光器,以通过将来自至少两个光源的偏振光组合到通过偏振光学元件的相同路径上来通过低输出激光二极管来激发激光发射激光发射的功率。 垂直外腔表面发射激光器包括激光芯片(23),外腔镜和具有多个光源(11,13)和偏振光学元件(15)的泵送单元(10)。 激光芯片(23)照射具有预定波长的激光。 外腔镜配置在激光芯片(23)的外侧,与激光芯片(23)形成谐振器。 泵送单元(10)布置在激光芯片的激光照亮的平面或背面上。 泵送单元(10)向激光芯片(23)提供泵浦光。 多个光源(11,13)照射预定的偏振光。 偏振光学元件(15)设置在光源(11,13)和多个激光芯片(23)之间。 偏振光学元件(15)使得能够通过根据偏振方向穿透或反射入射光来使从多个光源(11,13)照射的光沿光路前进。
    • 7. 发明公开
    • 광학적 펌핑 구조의 VECSEL
    • 光学垂直外腔表面发射激光
    • KR1020060123006A
    • 2006-12-01
    • KR1020050045301
    • 2005-05-28
    • 삼성전자주식회사
    • 유재령
    • H01S5/183
    • H01S5/18366H01S5/06256H01S5/18377
    • An optically-pumped vertical external cavity surface emitting laser is provided to enhance an optical output by increasing a volume of a periodic gain region that is a multi-quantum well activation region. A DBR mirror(120) is formed on a substrate(110). A second multi-quantum well activation region(130) is formed on the DBR mirror. A first multi-quantum well activation region(140) is formed on the second multi-quantum well activation region. A capping layer(152) is formed on the first multi-quantum well activation region. A first optical pump(160) is used for irradiating a pump beam having a first wavelength range on a surface of the capping layer. A second optical pump(162) is used for irradiating a pump beam having a second wavelength range on the surface of the capping layer. An external cavity mirror(170) is installed at the outside opposite to the DBR mirror.
    • 提供了一种光学泵浦的垂直外腔表面发射激光器,以通过增加作为多量子阱激活区域的周期性增益区域的体积来增强光输出。 DBR反射镜(120)形成在基板(110)上。 第二多量子阱激活区域(130)形成在DBR反射镜上。 在第二多量子阱激活区域上形成第一多量子阱激活区域(140)。 在第一多量子阱激活区上形成覆盖层(152)。 第一光泵(160)用于在封盖层的表面上照射具有第一波长范围的泵浦光束。 第二光泵(162)用于在封盖层的表面上照射具有第二波长范围的泵浦光束。 在与DBR反射镜相对的外侧设置有外腔镜(170)。
    • 10. 发明公开
    • 분배 브락 반사경을 갖는 반도체 레이저의 제조 방법
    • 具有分布式BRAGG反射器的半导体激光器
    • KR1020030073406A
    • 2003-09-19
    • KR1020020012957
    • 2002-03-11
    • 삼성전자주식회사
    • 김종렬
    • H01S5/30
    • H01S5/06256H01S5/1206H01S5/1209H01S5/1225H01S5/1231
    • PURPOSE: A semiconductor laser with a DBR(Distributed Bragg Reflector) is provided to increase the tunable range by implementing a chirping effect through a shape modification of a sample grating. CONSTITUTION: A first clad layer(120) is made of an n-type InP and has a refractive index lower than that of each of first and second guiding layers(140,160). A lower electrode(110) is layered on a lower surface of the first clad layer(120). A second clad layer(180) is made of a p-type InP and has a refractive index lower than that of the respective first and second guiding layers(140,160). An active layer(130) has a quantum well structure and is formed across an active region(230). The first guiding layer(140) is formed on a side of the active layer(130) across a first grating region(220). The first guiding layer(160) is formed on another side of the active layer(130) across a second grating region(240). A first upper electrode(190) is formed on the second clad layer(180) across the first grating region(220). A second upper electrode(200) is formed on the second clad layer(180) across the active region(230). A third upper electrode(210) is formed on the second clad layer(180) across the second grating region(240). Each of the electrodes(190,200,210) is apart to each other.
    • 目的:提供具有DBR(分布式布拉格反射器)的半导体激光器,以通过采样光栅的形状修改实现啁啾效应来增加可调范围。 构成:第一包层(120)由n型InP制成,折射率低于第一和第二引导层(140,160)的折射率。 下电极(110)层叠在第一包层(120)的下表面上。 第二包层(180)由p型InP制成,折射率低于相应的第一和第二引导层(140,160)的折射率。 活性层(130)具有量子阱结构,并跨越有源区(230)形成。 第一引导层(140)跨越有源层(130)跨越第一光栅区域(220)形成。 第一引导层(160)通过第二光栅区域(240)形成在有源层(130)的另一侧上。 第一上电极(190)跨越第一光栅区域(220)形成在第二覆层(180)上。 第二上电极(200)跨越有源区(230)形成在第二覆层(180)上。 在第二覆盖层(180)上穿过第二光栅区域(240)形成第三上电极(210)。 每个电极(190,200,210)彼此分开。