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公开(公告)号:US06349104B1
公开(公告)日:2002-02-19
申请号:US09087275
申请日:1998-05-29
申请人: Hisaya Kato , Yoshitaka Gotoh , Katsunori Abe , Kinya Atsumi , Takekazu Terui , Noriyuki Matsushita
发明人: Hisaya Kato , Yoshitaka Gotoh , Katsunori Abe , Kinya Atsumi , Takekazu Terui , Noriyuki Matsushita
IPC分类号: H01S304
CPC分类号: H01S5/0425 , B82Y20/00 , H01L2224/48091 , H01L2224/48464 , H01L2224/49111 , H01L2224/73265 , H01S5/02212 , H01S5/0224 , H01S5/02272 , H01S5/028 , H01S5/0421 , H01S5/2031 , H01S5/2036 , H01S5/22 , H01S5/3211 , H01S5/3432 , H01S5/4018 , H01S5/4043 , H01S2301/173 , H01L2924/00014
摘要: A high power stripe-geometry heterojunction laser diode device is provided which may be employed in a radar system designed to measure the distance to a target. The laser diode device has an electric circuit path extending from a first electrode connected to a voltage source to a second electrode connected to ground and features addition of a resistance of 1 m&OHgr; or more to the electric circuit path to provide uniform current distribution in an active layer for emitting a high density laser beam.
摘要翻译: 提供了一种高功率条纹几何异质结激光二极管器件,可用于测量与目标距离的雷达系统中。 激光二极管装置具有从连接到电压源的第一电极延伸到连接到地的第二电极的电路路径,并且特征是向电路路径添加1mOMEGA或更大的电阻,以在活动中提供均匀的电流分布 用于发射高密度激光束的层。
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公开(公告)号:US06327285B1
公开(公告)日:2001-12-04
申请号:US08853956
申请日:1997-05-09
申请人: Xinqiao Wang
发明人: Xinqiao Wang
IPC分类号: H01S304
CPC分类号: H01S5/42 , H01L2224/48091 , H01L2224/73265 , H01S5/02248 , H01S5/02272 , H01S5/02276 , H01S5/02292 , H01S5/02469 , H01L2924/00014
摘要: A two-dimensional surface mounted diode laser array package includes a one-piece multifunctional integral array member having a broad area heat sink, laser mounting stages, and interspersed angled deflecting mirrors, all fashioned of a common material. Diode laser bars are secured to the mounting stages between the angled deflecting mirrors. The broad area heat sink, laser mounting stages, and interspersed angled deflecting mirrors, being of the same substance, can be easily fashioned by conventional micro-machining techniques.
摘要翻译: 二维表面安装的二极管激光器阵列封装包括具有广泛的散热器,激光安装台和散布的倾斜的偏转镜的一体式多功能整体阵列构件,其均为普通材料。 二极管激光棒固定在倾斜的偏转镜之间的安装台上。 通过传统的微加工技术可以容易地形成具有相同物质的广域散热器,激光安装级和散射角度偏转镜。
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公开(公告)号:US06307871B1
公开(公告)日:2001-10-23
申请号:US09270991
申请日:1999-03-17
申请人: Geoffrey O. Heberle
发明人: Geoffrey O. Heberle
IPC分类号: H01S304
CPC分类号: F28F3/02 , F28D20/02 , F28D2021/0029 , F28F3/12 , H01S3/025 , H01S3/027 , H01S3/0405 , H01S3/0407 , H01S3/042 , H01S3/0941 , H01S5/02415 , H01S5/02438 , H01S5/02469 , H01S5/4025 , Y02E60/145
摘要: A passively cooled solid-state laser system for producing high-output power is set forth. The system includes an optics bench assembly containing a laser head assembly which generates a high-power laser beam. A laser medium heat sink assembly is positioned in thermal communication with the laser medium for conductively dissipating waste heat and controlling the temperature of the laser medium. A diode array heat sink assembly is positioned in thermal communication with the laser diode array assembly for conductively dissipating waste heat and controlling the temperature of the laser diode array assembly. The heat sink assemblies include heat exchangers with extending surfaces in intimate contact with phase change material. When the laser system is operating, the phase change material transitions from solid to liquid phase. This transition of the phase change material also provides a thermal buffer for laser components such that the phase change material absorbs the energy associated with fluctuations in ambient temperature before transferring it to the laser component. Also, the heat sink assembly can contain more than one type of phase change material, each having a different melting temperature.
摘要翻译: 阐述了一种用于产生高输出功率的被动冷却的固态激光系统。 该系统包括包含产生高功率激光束的激光头组件的光学台架组件。 激光介质散热器组件定位成与激光介质热连通,用于导电地耗散废热并控制激光介质的温度。 二极管阵列散热器组件定位成与激光二极管阵列组件热连通,用于导电地耗散余热并控制激光二极管阵列组件的温度。 散热器组件包括具有与相变材料紧密接触的延伸表面的热交换器。 当激光系统工作时,相变材料从固相转变为液相。 相变材料的这种转变还为激光组件提供热缓冲器,使得相变材料在将其转移到激光部件之前吸收与环境温度波动相关联的能量。 此外,散热器组件可以包含多于一种类型的相变材料,每种相变材料具有不同的熔化温度。
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公开(公告)号:US06301278B2
公开(公告)日:2001-10-09
申请号:US09119696
申请日:1998-07-21
申请人: Satoshi Uchida
发明人: Satoshi Uchida
IPC分类号: H01S304
CPC分类号: H01S5/02212 , H01L2224/48091 , H01L2224/73265 , H01S5/02276 , H01S5/024 , H01S5/02476 , H01S5/0425 , H01L2924/00014
摘要: A semiconductor laser device has a semiconductor laser element placed inside a package on an electrically conductive submount such that one of the electrodes with one conduction type sandwiching its p-n junction is electrically connected to it. The submount is placed on a metallic heat sink, separated therefrom by a layer of an electrical insulator having a larger thermal conductivity than the submount. The other electrode of the laser element (of the opposite conduction type) is electrically connected to the heat sink, and one of externally extending lead pins is electrically connected to the submount. According to a preferred embodiment, the other electrode of the laser element is electrically connected instead to one of the lead pins and the submount is electrically connected instead to another of the lead pins. Thus, the capacitance of the submount and the inductance of the package will be in an electrically floating condition when the laser device is activated, and the device is adapted for high-frequency operations.
摘要翻译: 半导体激光器件具有放置在导电基座上的封装内的半导体激光元件,使得夹着其p-n结的一个导电类型的电极中的一个电连接到其上。 底座放置在金属散热器上,与金属散热器隔开,通过一层具有比底座更大导热系数的电绝缘体。 激光元件(相反导电型)的另一个电极电连接到散热器,而外部延伸的引脚之一电连接到底座。 根据优选实施例,激光元件的另一个电极代替引导引脚中的一个电连接,并且该底座电连接到另一个引脚。 因此,当激光装置被激活时,底座的电容和封装的电感将处于电浮动状态,并且该装置适用于高频操作。
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公开(公告)号:US06298076B1
公开(公告)日:2001-10-02
申请号:US09264159
申请日:1999-03-05
申请人: Andrea Caprara , Juan L. Chilla , Luis A. Spinelli
发明人: Andrea Caprara , Juan L. Chilla , Luis A. Spinelli
IPC分类号: H01S304
CPC分类号: H01S5/141 , H01S3/109 , H01S5/02484 , H01S5/041 , H01S5/183
摘要: External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS-lasers can provide fundamental laser output-power of about two Watts (2.0 W) or greater. Intracavity frequency-converted arrangements of the OPS-lasers can provide harmonic laser output-power of about one-hundred milliwatts (100 mW) or greater, even at wavelengths in the ultraviolet region of the electromagnetic spectrum. These high output powers can be provided even in single axial-mode operation. Particular features of the OPS-lasers include a heat sink-assembly for cooling the OPS-structure, a folded resonator concept for providing optimum beam size at optically-nonlinear crystals used for frequency conversion, preferred selection of optically-nonlinear materials for frequency-conversion, and compound resonator designs for amplifying second harmonic-radiation for subsequent conversion to third or fourth harmonic radiation.
摘要翻译: 公开了包括具有由表面发射的半导体多层(周期)增益结构所覆盖的镜面结构的OPS结构的外腔光泵浦半导体激光器(OPS-激光器)。 增益结构由二极管激光器的光泵浦。 OPS激光器可以提供约2瓦(2.0瓦)或更大的基本激光输出功率。 OPS激光器的腔内频率转换装置即使在电磁波谱的紫外区域的波长下也能提供约百毫瓦(100mW)或更大的谐波激光输出功率。 即使在单轴向模式操作中也可以提供这些高输出功率。 OPS激光器的特征包括用于冷却OPS结构的散热器组件,用于在用于频率转换的光学非线性晶体处提供最佳光束尺寸的折叠谐振器概念,用于频率转换的光学非线性材料的优选选择 以及用于放大二次谐波辐射以用于随后转换成第三或第四谐波辐射的复合谐振器设计。
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公开(公告)号:US06272159B1
公开(公告)日:2001-08-07
申请号:US09218887
申请日:1998-12-22
申请人: Juan Alfonso Garcia
发明人: Juan Alfonso Garcia
IPC分类号: H01S304
CPC分类号: B23K20/023
摘要: A laser diode or laser diode bar mounted on a heat sink and having an insulating layer of greater thickness also mounted on the heat sink requires a lead overlying both the insulating layer and the diode to bend downward for making electrical contact. Failures have been found to occur at the bend. The provision of a pattern of slots at the bend alleviates the problem by reducing stress there. The use of such slotted leads is disclosed for diodes or diode bars individually or in a stack arrangement.
摘要翻译: 安装在散热器上并且具有也安装在散热器上的具有更大厚度的绝缘层的激光二极管或激光二极管条需要覆盖绝缘层和二极管的引线以向下弯曲以进行电接触。 发现故障发生在弯道处。 在弯曲处提供槽形图案通过减轻压力来缓解问题。 公开了这种开槽引线的使用,其分别或以堆叠布置用于二极管或二极管条。
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公开(公告)号:US06266352B1
公开(公告)日:2001-07-24
申请号:US09182538
申请日:1998-10-29
IPC分类号: H01S304
CPC分类号: H01S3/097 , B23K26/704 , H01S3/005 , H01S3/03 , H01S3/0323 , H01S3/034 , H01S3/036 , H01S3/04 , H01S3/0401 , H01S3/041
摘要: A laser oscillation apparatus includes: a laser cavity unit for generating laser light by being provided a voltage and optically amplifying the generated light by means of a pair of mirrors; and a DC power source for supplying the voltage required for generating the laser light to a pair of discharge electrodes of the cavity unit. Each of a cathode and an anode of the DC power source is grounded via a grounding resistor.
摘要翻译: 激光振荡装置包括:激光腔单元,用于通过提供电压并通过一对反射镜光学放大所产生的光来产生激光; 以及用于将产生激光所需的电压提供给腔单元的一对放电电极的直流电源。 直流电源的阴极和阳极都通过接地电阻接地。
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公开(公告)号:US06826213B1
公开(公告)日:2004-11-30
申请号:US10044653
申请日:2002-01-11
IPC分类号: H01S304
CPC分类号: G02B6/4214 , G02B6/4204
摘要: Optical component mounting and interconnect apparatus includes a base formed of at least one layer of insulating material defining first and second opposed major surfaces. A plurality of vias extend through the base. The vias include a signal via and two spaced apart ground vias parallel with and on opposite sides of the signal via. The two ground vias are connected to ground to form a transmission line with the signal via. An optical component is mounted on the first major surface of the base with an electrical terminal affixed to one end of the signal via and a flex circuit is affixed to the second major surface of the base with an electrical connection to the opposite end of the signal via.
摘要翻译: 光学部件安装和互连装置包括由限定第一和第二相对主表面的至少一层绝缘材料形成的基座。 多个通孔延伸通过基座。 通孔包括与信号通孔平行并相对侧的信号通孔和两个间隔开的接地通路。 两个接地通孔连接到地,以形成具有信号通孔的传输线。 光学部件安装在基座的第一主表面上,电端子固定在信号通孔的一端,并且柔性电路被固定到基座的第二主表面,电连接到信号的相对端 通过。
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公开(公告)号:US06807218B1
公开(公告)日:2004-10-19
申请号:US10144905
申请日:2002-05-13
IPC分类号: H01S304
CPC分类号: H01S5/02248 , G02B6/262 , G02B6/4214 , H01L31/167 , H01L2224/05568 , H01L2224/05573 , H01L2224/16 , H01L2224/48091 , H01L2924/00014 , H01S5/02252 , H01S5/02272 , H01S5/02276 , H01S5/02284 , H01S5/02292 , H01S5/02415 , H01S5/0683 , H01L2224/05599
摘要: A laser module includes an alignment plate having a template plate having a laser diode aperture and a photodiode aperture. A weld plate and a reflector are coupled to the template plate. The structure further includes a heat sink coupled to the alignment plate. A photodiode subassembly is mounted within the photodiode aperture and to the heat sink. Further, a laser diode subassembly is mounted within the laser diode aperture and to the heat sink. In the above manner, the photodiode subassembly, laser diode subassembly and reflected are precisely aligned.
摘要翻译: 激光模块包括具有模板板的对准板,其具有激光二极管孔径和光电二极管孔径。 焊接板和反射器耦合到模板板。 该结构还包括耦合到对准板的散热器。 光电二极管子组件安装在光电二极管孔和散热片内。 此外,激光二极管子组件安装在激光二极管孔和散热片内。 以上述方式,光电二极管组件,激光二极管组装和反射精确对准。
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公开(公告)号:US06795461B1
公开(公告)日:2004-09-21
申请号:US10128383
申请日:2002-04-23
申请人: Thomas H. Blair , Phillip J. Edwards , Siegfried Fleischer , Michael S. Lebby , Bradley S. Levin , Oliver W. Northup , Michael M. O'Toole , Joseph John Vandenberg , Brett M. Zaborsky
发明人: Thomas H. Blair , Phillip J. Edwards , Siegfried Fleischer , Michael S. Lebby , Bradley S. Levin , Oliver W. Northup , Michael M. O'Toole , Joseph John Vandenberg , Brett M. Zaborsky
IPC分类号: H01S304
CPC分类号: G02B6/4292 , G02B6/4204 , G02B6/4245 , G02B6/4251 , G02B6/4263 , G02B6/4277 , G02B6/4281 , H01S5/02212 , H01S5/02276 , H01S5/02284
摘要: An optoelectric module includes a cylindrical ferrule defining an optical axis and having a first end constructed to receive an optical fiber aligned along the optical axis. A TO-can is positioned within the ferrule and has a first end with an optical element therein for conducting light therethrough. A base is affixed to the second end of the TO-can and to the second end of the ferrule. A laser is mounted within the TO-can so that light generated by the laser is directed through the optical element along the optical axis. A laser driver is mounted on the base and electrically connected to the laser. External connections to the laser driver are completed by either electrical traces on a surface of the base, vias through the base, or flexible leads mounted on the base.
摘要翻译: 光电模块包括限定光轴的圆柱形套圈,并且具有构造成接收沿着光轴对准的光纤的第一端。 TO-can定位在套圈内并且具有其中具有用于使光透过的光学元件的第一端。 基座固定在TO-can的第二端和套圈的第二端。 激光器安装在TO-can中,使得由激光产生的光沿着光轴被引导通过光学元件。 激光驱动器安装在基座上并与激光器电连接。 与激光驱动器的外部连接通过基座表面上的电气迹线,通过基座的通孔或安装在基座上的柔性引线来完成。
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