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    • 1. 发明申请
    • Laser diode stack side-pumped solid state laser
    • 激光二极管堆叠侧泵浦固态激光器
    • US20070217469A1
    • 2007-09-20
    • US11417726
    • 2006-05-04
    • Mark DeFranzaDavid DawsonJason Farmer
    • Mark DeFranzaDavid DawsonJason Farmer
    • H01S3/04H01S5/00
    • H01S5/4025H01S3/061H01S3/0941H01S5/02264H01S5/02272H01S5/02469H01S5/4087
    • A side-pumped solid state laser utilizing a laser diode stack of laser diode submount assemblies is provided. The laser gain medium of the solid state laser is contained within a laser cavity defined by a pair of reflective elements. Each laser diode submount assembly includes a submount to which one or more laser diodes are attached. The radiation-emitting active layer of each laser diode is positioned substantially parallel to the mounting surfaces of the submount, causing the fast axis of each laser diode's output beam to be substantially orthogonal to the submount mounting surfaces. The laser diodes can be of one wavelength or multiple wavelengths. Preferably the submount has a high thermal conductivity and a CTE that is matched to that of the laser diode. On top of the submount, adjacent to the laser diode, is a spacer. The laser diode stack is formed by mechanically coupling the bottom surface of each submount to the spacer of an adjacent submount assembly. Preferably the laser diode stack is thermally coupled to a cooling block.
    • 提供了利用激光二极管底座组件的激光二极管堆叠的侧泵浦固态激光器。 固体激光器的激光增益介质包含在由一对反射元件限定的激光腔内。 每个激光二极管基座组件包括附接有一个或多个激光二极管的基座。 每个激光二极管的辐射发射有源层基本上平行于基座的安装表面定位,使得每个激光二极管的输出光束的快轴基本上与底座安装表面正交。 激光二极管可以是一个波长或多个波长。 优选地,底座具有高的热导率和与激光二极管匹配的CTE。 在基座的顶部,与激光二极管相邻,是间隔物。 激光二极管堆叠通过将每个基座的底表面机械耦合到相邻的底座组件的间隔件而形成。 优选地,激光二极管堆叠热耦合到冷却块。
    • 5. 发明申请
    • Beam Homogenizer
    • 光束均质器
    • US20120168411A1
    • 2012-07-05
    • US12984085
    • 2011-01-04
    • Jason FarmerScott KarlsenRob Martinsen
    • Jason FarmerScott KarlsenRob Martinsen
    • B23K26/00G02B27/10F21V8/00
    • G02B19/0052G02B19/0028
    • A system for homogenizing the intensity profile of light includes a plurality of fiber coupled light sources for emitting fiber output beams from fiber output ends, and a light pipe optically coupled to the fiber output beams for producing a uniform light pipe output beam, an interleaver that transmits a first set of fiber output beams and reflects a second set of fiber output beams so that the principal rays of the fiber output beams propagate in a common plane, a first optical element for converging the principal rays, and a second optical element for telecentrically imaging the beams into the light pipe such that the principal rays of the beams propagate parallel to each other and the beams are focused in the light pipe in a focal plane transverse to the direction of propagation.
    • 用于使光的强度分布均匀化的系统包括用于从光纤输出端发射光纤输出光束的多个光纤耦合光源和光纤耦合到光纤输出光束以产生均匀的光管输出光束的光管,交织器 传输第一组光纤输出光束并反射第二组光纤输出光束,使得光纤输出光束的主光线在公共平面中传播,第一光学元件用于会聚主光线,并且第二光学元件用于中心地 将光束成像到光管中,使得光束的主光线彼此平行地传播,并且光束在光导管中聚焦在横向于传播方向的焦平面中。
    • 6. 发明申请
    • Laser diode stack end-pumped solid state laser
    • 激光二极管堆栈端泵浦固体激光器
    • US20070217470A1
    • 2007-09-20
    • US11436232
    • 2006-05-18
    • Mark DeFranzaDavid DawsonJason Farmer
    • Mark DeFranzaDavid DawsonJason Farmer
    • H01S3/04H01S5/00
    • H01S5/4025H01L2224/48091H01L2224/49111H01L2224/49175H01S3/061H01S3/09415H01S5/02264H01S5/02272H01S5/02469H01S5/4037H01S5/4087H01L2924/00012
    • An end-pumped solid state laser utilizing a laser diode stack of laser diode subassemblies as the pump source is provided. The laser gain medium of the solid state laser is contained within a laser cavity defined by a pair of reflective elements. Each laser diode subassembly includes a submount to which one or more laser diodes are attached. The fast axis corresponding to each output beam of each laser diode is substantially perpendicular to the mounting surfaces of the submount. The laser diodes can be of one wavelength or multiple wavelengths. Preferably the submount has a high thermal conductivity and a CTE that is matched to that of the laser diode. On top of the submount, adjacent to the laser diode, is a spacer. The laser diode stack is formed by mechanically coupling the bottom surface of each submount to the spacer of an adjacent submount assembly. Preferably the laser diode stack is thermally coupled to a cooling block.
    • 使用激光二极管组件的激光二极管叠层作为泵浦源的端泵浦固态激光器。 固体激光器的激光增益介质包含在由一对反射元件限定的激光腔内。 每个激光二极管子组件包括附接有一个或多个激光二极管的基座。 对应于每个激光二极管的每个输出光束的快轴基本上垂直于底座的安装表面。 激光二极管可以是一个波长或多个波长。 优选地,底座具有高的热导率和与激光二极管匹配的CTE。 在基座的顶部,与激光二极管相邻,是间隔物。 激光二极管堆叠通过将每个基座的底表面机械耦合到相邻的底座组件的间隔件而形成。 优选地,激光二极管堆叠热耦合到冷却块。
    • 9. 发明申请
    • Laser diode stack utilizing a non-conductive submount
    • 激光二极管堆叠采用非导电底座
    • US20070217471A1
    • 2007-09-20
    • US11492140
    • 2006-07-24
    • Mark DeFranzaDavid DawsonJason Farmer
    • Mark DeFranzaDavid DawsonJason Farmer
    • H01S3/04H01S5/00
    • H01S5/405H01S5/02272H01S5/02469H01S5/02476H01S5/4018
    • A laser diode package is provided, the package including a plurality of laser diode submount assemblies. Each laser diode submount assembly includes a submount comprised of a non-conductive material. At least one laser diode is attached to a first portion of one surface of each submount while a spacer is attached to a second portion of the same submount surface. Preferably the submount has a high thermal conductivity and a CTE that is matched to that of the laser diode. The laser diode stack is formed by mechanically coupling the bottom surface of each submount to the spacer of an adjacent submount assembly. The individual laser diodes of the fabricated stack can be serially coupled together, coupled together in parallel, or individually addressable. To provide package cooling, the laser diode stack is thermally coupled to a cooling block.
    • 提供了一种激光二极管封装,该封装包括多个激光二极管底座组件。 每个激光二极管底座组件包括由非导电材料构成的基座。 至少一个激光二极管附接到每个子安装座的一个表面的第一部分,而间隔件连接到同一基座表面的第二部分。 优选地,底座具有高的热导率和与激光二极管匹配的CTE。 激光二极管堆叠通过将每个基座的底表面机械耦合到相邻的底座组件的间隔件而形成。 制造的叠层的各个激光二极管可以串联耦合在一起,并联耦合在一起或者可单独寻址。 为了提供封装冷却,激光二极管堆叠热耦合到冷却块。
    • 10. 发明申请
    • Laser diode package utilizing a laser diode stack
    • 使用激光二极管叠层的激光二极管封装
    • US20070217468A1
    • 2007-09-20
    • US11417581
    • 2006-05-04
    • Mark DeFranzaDavid DawsonJason Farmer
    • Mark DeFranzaDavid DawsonJason Farmer
    • H01S3/04H01S5/00
    • H01S5/4025H01L2224/48091H01S5/02248H01S5/02264H01S5/02272H01S5/02469H01S5/02476H01S5/4018H01L2924/00014
    • A laser diode package is provided, the package including a plurality of laser diode submount assemblies. Each submount assembly includes a submount. At least one laser diode is attached to a front portion of each submount while a spacer, preferably comprised of an electrically isolating pad and an electrical contact pad, is attached to a rear portion of each submount. Electrical interconnects, such as wire or ribbon interconnects, connect the laser diode or diodes to the electrical contact pad, either directly or indirectly. Preferably the laser diode stack is formed by electrically and mechanically bonding together the bottom surface of each submount to the electrical contact pad of an adjacent submount assembly. The laser diode stack is thermally coupled to a cooling block. Preferably thermally conductive and electrically isolating members are interposed between the laser diode stack and the cooling block.
    • 提供了一种激光二极管封装,该封装包括多个激光二极管底座组件。 每个子安装组件都包括一个子安装板。 至少一个激光二极管连接到每个子安装座的前部,而优选地由电绝缘垫和电接触垫构成的间隔件附接到每个副安装座的后部。 诸如导线或带状互连的电互连将激光二极管或二极管直接或间接地连接到电接触焊盘。 优选地,激光二极管堆叠通过电气和机械地将每个子安装座的底表面电连接到相邻的底座组件的电接触焊盘而形成。 激光二极管堆叠热耦合到冷却块。 优选地,导热和电绝缘构件插入在激光二极管叠层和冷却块之间。