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    • 3. 发明授权
    • Array of diffraction limited lasers and method of aligning same
    • 衍射极限激光器阵列及其对准方法
    • US5212707A
    • 1993-05-18
    • US802838
    • 1991-12-06
    • Jeffrey HeidelMark ZedikerKeith ThrogmortonWilliam Harting
    • Jeffrey HeidelMark ZedikerKeith ThrogmortonWilliam Harting
    • G02B6/42
    • G02B6/4249Y10S359/90
    • A one-dimensional semiconductor laser array assembly typically comprising a one-dimensional semiconductor laser array, a heatsink upon which the laser array is bonded, and a lens assembly. The one-dimensional semiconductor laser array consists of a plurality of emitters with each emitter electrically connected in parallel to a power supply. The bonding agent, typically silver epoxy, must be of a uniform thickness so that the laser array is aligned properly upon the heatsink. The lens assembly is typically comprised of a refractive lens, typically of a bi-convex design, and a one-dimensional array of binary optical elements. The one-dimensional array of binary optical elements is designed such that each element has a front surface having a binary optic diffractive element etched thereon. The refractive lens and the one-dimensional array of binary optical elements are aligned and held in place by means of ears protruding from the heatsink. There is also provided by this invention a two-dimensional semiconductor laser array assembly consisting of a plurality of one-dimensional semiconductor laser array assemblies positioned substantially parallel to one another, within a clamping fixture, with the lens assembly of each one-dimensional laser array assembly positioned such that the output of each one-dimensional laser array is focused to the same point in the far field to provide a high intensity output and method for so aligning the two-dimensional laser array assembly. A lens assembly is also provided for focusing the output at a variable point.
    • 通常包括一维半导体激光器阵列,其上结合有激光阵列的散热器和透镜组件的一维半导体激光器阵列组件。 一维半导体激光器阵列由多个发射器组成,每个发射极与电源并联电连接。 粘合剂(通常为银环氧树脂)必须具有均匀的厚度,使得激光阵列在散热器上适当对准。 透镜组件通常由通常为双凸设计的折射透镜和二维光学元件的一维阵列组成。 二维光学元件的一维阵列被设计成使得每个元件具有在其上蚀刻的二元光学衍射元件的前表面。 折射透镜和二维光学元件的一维阵列通过从散热器突出的耳朵对准并保持就位。 本发明还提供了一种二维半导体激光器阵列组件,其由多个一维半导体激光器阵列组件组成,所述多个一维半导体激光阵列组件基本上彼此平行地定位在夹持夹具内,每个一维激光器阵列的透镜组件 组件定位成使得每个一维激光器阵列的输出聚焦到远场中的相同点,以提供用于使二维激光阵列组件对准的高强度输出和方法。 还提供了用于在可变点聚焦输出的透镜组件。
    • 5. 发明申请
    • Manufacturing and the design of assemblies for high power laser diode array modules
    • 大功率激光二极管阵列组件的制造和组装设计
    • US20070153847A1
    • 2007-07-05
    • US11641661
    • 2006-12-20
    • Brian FairclothMike GallWayne PennMark Zediker
    • Brian FairclothMike GallWayne PennMark Zediker
    • H01S3/04
    • H01S5/405H01S5/02208H01S5/02423
    • A method (and structure) of manufacturing high power laser diode array modules provides multi kilowatts of power for a semiconductor-based laser. The method also provides an array module having lower flow requirements. The array module provides a controlled, closed environment for the arrays to operate within, as well as a back reflection shield behind the arrays, which yields protection between the array and the array module housing. The structure may include two different array module configurations, the first being one stackable array of one hundred and fifty laser diode bar packages, which includes a high-flow, low-pressure drop heatsink providing a large plenum size for the array, reducing turbulent flow and lowering the required pressure for the array. The second configuration is a multi-stringed array configuration, providing multi kilowatts of power within a shoebox-sized footprint, incorporating the high-flow, low-pressure drop end caps, providing smaller flow restrictions.
    • 制造大功率激光二极管阵列模块的方法(和结构)为半导体激光器提供多千瓦的功率。 该方法还提供了具有较低流量要求的阵列模块。 阵列模块为数组提供了受控的封闭环境,以及阵列之后的背反射屏蔽,从而产生阵列和阵列模块外壳之间的保护。 该结构可以包括两个不同的阵列模块配置,第一个是一百五十个激光二极管棒封装的一个可堆叠阵列,其包括为阵列提供大的增压室尺寸的高流量低压降散热器,减少湍流 并降低阵列所需的压力。 第二种配置是多串阵列配置,在鞋盒尺寸的足迹中提供多千瓦的功率,并入高流量低压降端盖,从而提供较小的流量限制。