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    Slab laser and method with improved and directionally homogenized beam quality
    1.
    发明申请
    Slab laser and method with improved and directionally homogenized beam quality 有权
    平板激光器和方法具有改进和方向均匀的光束质量

    公开(公告)号：US20050111496A1

    公开(公告)日：2005-05-26

    申请号：US10720328

    申请日：2003-11-24

    申请人： Robin Reeder ,  David Filgas ,  Robert Byren

    发明人： Robin Reeder ,  David Filgas ,  Robert Byren

    IPC分类号： H01S3/00 ,  H01S3/06 ,  H01S3/08 ,  H01S3/0941 ,  H01S3/107 ,  H01S3/115 ,  H01S3/16 ,  H01S3/10

    CPC分类号： H01S3/08059 ,  H01S3/005 ,  H01S3/0606 ,  H01S3/08072 ,  H01S3/08095 ,  H01S3/0813 ,  H01S3/0941 ,  H01S3/107 ,  H01S3/115 ,  H01S3/1618 ,  H01S3/1643

    摘要： A laser resonator for generating a laser beam having beam quality along two transverse axes that is determined primarily by the mode discrimination characteristics of one axis. The apparatus including a means for providing a collimated beam of electromagnetic energy with a predetermined orientation with respect to a line of sight thereof, and, a means for rotating the beam such that a transverse mode selection therefor is the same for two orthogonal directions thereof. The first means includes a slab laser having principal axes, and the second means includes a porro prism or a Benson prism. The prism is rotated 45 degrees about the line of sight with respect to the slab axes. The beam is rotated through successive round trip passes through the slab. A telescope, or an anamorphic telescope may be disposed between the slab and the prism. The resonator has a high aspect ratio slab lasing medium with a first and a second end that emit a laser beam. An aperture stop with a narrow transverse dimension and an orthogonal wide transverse dimension defines the laser beam profile. The slab itself may define the aperture stop. A first reflector, is aligned to reflect the laser beam emitted from one end of the slab back into the slab, and thereby define a first end of a resonant cavity. An anamorphic telescope is aligned to receive and reshape the laser beam profile to be substantially symmetrical about its transverse axes. The beam profile of the reshaped laser beam is rotated 90° and reflected, by a second reflector, back into the telescope, defining the second end of the resonator. The reflectors may be porro prisms, mirrors, or Benson prisms. Polarization out-couplers are used in conjunction with electro-optic Q-switches to out-couple-laser energy. The slab may be solid state Yb:YAG.

    摘要翻译： 一种激光谐振器，用于产生主要由一个轴的模式识别特性确定的沿着两个横轴的光束质量的激光束。 该装置包括用于提供相对于其视线具有预定取向的准直光束的电磁能量的装置，以及用于旋转光束的装置，使得其横向模式选择在其两个正交方向上是相同的。 第一装置包括具有主轴的平板激光器，第二装置包括孔棱镜或本森棱镜。 棱镜相对于平板轴线的视线旋转45度。 梁通过连续的往返行程通过板坯旋转。 望远镜或变形望远镜可以设置在平板和棱镜之间。 谐振器具有高纵横比的板坯激光介质，其具有发射激光束的第一和第二端。 具有窄横向尺寸和正交宽横向尺寸的孔径光阑限定了激光束轮廓。 板本身可以限定孔径光阑。 对准第一反射器以将从板坯的一端发射的激光束反射回到板坯中，从而限定谐振腔的第一端。 对准变形望远镜以接收和重新形成激光束轮廓，使其基本上对称于其横向轴线。 重新配置的激光束的光束轮廓旋转90°，并通过第二反射器反射回限定谐振器的第二端的望远镜。 反射镜可以是波棱棱镜，镜子或Benson棱镜。 极化耦合器与电光Q开关结合使用以耦合激光能量。 板坯可以是固态Yb：YAG。

    High-bandwidth optical communications relay payload
    2.
    发明授权
    High-bandwidth optical communications relay payload 有权
    高带宽光通信中继有效载荷

    公开(公告)号：US08953946B2

    公开(公告)日：2015-02-10

    申请号：US13549177

    申请日：2012-07-13

    申请人： Gary D. Coleman ,  C. Thomas Hastings, Jr. ,  Duane Smith ,  David Filgas

    发明人： Gary D. Coleman ,  C. Thomas Hastings, Jr. ,  Duane Smith ,  David Filgas

    IPC分类号： H04B10/00

    CPC分类号： H04B10/118

    摘要： A free space optical communication system (100) and method including: several optical beam expanders (414) for receiving incoming optical signals from ground sites and neighboring satellites; several optical preamplifiers (412) for preamplifying the received optical signals; one or more optical main amplifiers (404) for amplifying the preamplified optical signals; and an optical switch (408) for directing respective amplified optical signals to respective destinations via a respective optical beam expander. The respective amplified optical signals are inputted to a respective optical beam expander (414) for transmission to said respective destinations, as outgoing optical signals.

    摘要翻译： 一种自由空间光通信系统（100）和方法，包括：几个光束扩展器（414），用于从地面站点和相邻卫星接收输入的光信号; 几个光学前置放大器（412），用于对接收的光信号进行预放大; 一个或多个光学主放大器（404），用于放大预放大的光信号; 以及用于经由相应的光束扩展器将各个放大的光信号引导到各个目的地的光开关（408）。 相应的放大的光信号被输入到相应的光束扩展器（414），用于传输到所述各个目的地作为输出光信号。

    HIGH-BANDWIDTH OPTICAL COMMUNICATIONS RELAY PAYLOAD
    5.
    发明申请
    HIGH-BANDWIDTH OPTICAL COMMUNICATIONS RELAY PAYLOAD 有权
    高带宽光通信继电器

    公开(公告)号：US20140016932A1

    公开(公告)日：2014-01-16

    申请号：US13549177

    申请日：2012-07-13

    申请人： Gary D. Coleman ,  C. Thomas Hastings, JR. ,  Duane Smith ,  David Filgas

    发明人： Gary D. Coleman ,  C. Thomas Hastings, JR. ,  Duane Smith ,  David Filgas

    IPC分类号： H04B10/10 ,  H04J14/02

    CPC分类号： H04B10/118

    摘要： A free space optical communication system (100) and method including: several optical beam expanders (414) for receiving incoming optical signals from ground sites and neighboring satellites; several optical preamplifiers (412) for preamplifying the received optical signals; one or more optical main amplifiers (404) for amplifying the preamplified optical signals; and an optical switch (408) for directing respective amplified optical signals to respective destinations via a respective optical beam expander. The respective amplified optical signals are inputted to a respective optical beam expander (414) for transmission to said respective destinations, as outgoing optical signals.

    摘要翻译： 一种自由空间光通信系统（100）和方法，包括：几个光束扩展器（414），用于从地面站点和相邻卫星接收输入的光信号; 几个光学前置放大器（412），用于对接收的光信号进行预放大; 一个或多个光学主放大器（404），用于放大预放大的光信号; 以及用于经由相应的光束扩展器将各个放大的光信号引导到各个目的地的光开关（408）。 相应的放大的光信号被输入到相应的光束扩展器（414），用于传输到所述各个目的地作为输出光信号。

    Phase conjugate relay mirror apparatus for high energy laser system and method
    6.
    发明授权
    Phase conjugate relay mirror apparatus for high energy laser system and method 有权
    用于高能激光系统和方法的相位共轭中继镜装置

    公开(公告)号：US06961171B2

    公开(公告)日：2005-11-01

    申请号：US10272778

    申请日：2002-10-17

    申请人： Robert W. Byren ,  David Filgas

    发明人： Robert W. Byren ,  David Filgas

    IPC分类号： F41H11/02 ,  F41H13/00 ,  H01S3/00

    CPC分类号： F41H11/02 ,  F41H13/0043 ,  F41H13/005

    摘要： A system for directing electromagnetic energy. The inventive system includes a first subsystem mounted on a first platform for transmitting a beam of the electromagnetic energy through a medium and a second subsystem mounted on a second platform for redirecting the beam. In accordance with the invention, the second platform is mobile relative to the first platform. In the illustrative embodiment, the beam is a high-energy laser beam. The first subsystem includes a phase conjugate mirror in optical alignment with a laser amplifier. The first subsystem further includes a beam director in optical alignment with the amplifier and a platform track sensor coupled thereto. In the illustrative embodiment, the second subsystem includes a co-aligned master oscillator, outcoupler, and target track sensor which are fixedly mounted to a stabilized platform, a beam director, and a platform track sensor. In the best mode, the stable platform is mounted for independent articulation relative to the beam director. A first alternative embodiment of the second subsystem includes first and second beam directors. The first beam director is adapted to receive the transmitted beam and the second beam director is adapted to redirect the received beam. In accordance with a second alternative embodiment, an optical fiber is provided for coupling the beam between the first platform and the second platform.

    摘要翻译： 一种用于引导电磁能的系统。 本发明的系统包括安装在第一平台上的第一子系统，用于传送电磁能量束通过介质，而第二子系统安装在第二平台上用于重定向光束。 根据本发明，第二平台相对于第一平台是可移动的。 在说明性实施例中，光束是高能激光束。 第一子系统包括与激光放大器光学对准的相位共轭反射镜。 第一子系统还包括与放大器光学对准的光束指向器和与其连接的平台轨道传感器。 在说明性实施例中，第二子系统包括固定地安装到稳定平台，光束导向器和平台轨道传感器的共对准主振荡器，外耦合器和目标轨道传感器。 在最佳模式下，稳定平台相对于光束导向器安装为独立发光。 第二子系统的第一替代实施例包括第一和第二光束导向器。 第一波束导向器适于接收发送的波束，并且第二波束导向器适于重定向接收的波束。 根据第二替代实施例，提供光纤用于在第一平台和第二平台之间耦合光束。

    Foil slot impingement cooler with effective light-trap cavities
    8.
    发明授权
    Foil slot impingement cooler with effective light-trap cavities 有权
    箔槽冲击冷却器，具有有效的光阱

    公开(公告)号：US07472741B2

    公开(公告)日：2009-01-06

    申请号：US11053829

    申请日：2005-02-09

    申请人： Scott T. Johnson ,  John H. Schroeder ,  David Filgas

    发明人： Scott T. Johnson ,  John H. Schroeder ,  David Filgas

    IPC分类号： F28D21/00 ,  H01S3/04

    CPC分类号： H01S3/042 ,  H01L23/4735 ,  H01L2924/0002 ,  H01S3/0407 ,  Y10S165/904 ,  Y10S165/908 ,  H01L2924/00

    摘要： A slot impingement cooler is formed of a plurality of sets of foils in a stacked and registered array. In each set of foils, a first foil has supply slots that direct a flow of coolant, a second foil has a plurality of effective light-trap cavities, a third foil has return slots that return the flow of coolant, and an optional fourth foil has a plurality of effective light-trap cavities. The foils have registered supply manifold openings and registered return manifold openings therethrough.

    摘要翻译： 狭槽冲击冷却器由堆叠和排列的阵列中的多组箔组成。 在每组箔中，第一箔具有引导冷却剂流的供应槽，第二箔具有多个有效的光阱腔，第三箔具有返回冷却剂流的返回槽，以及可选的第四箔 具有多个有效的光阱陷阱。 箔已经注册了供应歧管开口和注册的返回歧管开口。

    High-efficiency, dual current sink laser diode driver
    9.
    发明授权
    High-efficiency, dual current sink laser diode driver 有权
    高效双电流吸收二极管驱动器

    公开(公告)号：US09001857B2

    公开(公告)日：2015-04-07

    申请号：US13215873

    申请日：2011-08-23

    申请人： Michael S. Lackey ,  Thomas H. Alford ,  Robert F. Stiffler ,  David Filgas

    发明人： Michael S. Lackey ,  Thomas H. Alford ,  Robert F. Stiffler ,  David Filgas

    IPC分类号： H01S3/00 ,  H03K3/57

    CPC分类号： H01S5/0428 ,  H01S3/2308 ,  H01S5/02248 ,  H01S5/0261 ,  H01S5/042 ,  H01S5/4018 ,  H01S5/4025 ,  H03K3/57

    摘要： Provided are assemblies and processes for activating light emitting devices. A first current sink is in electrical communication with a common source through a current node and configured to draw a first current through the current node in response to a respective control signal. A second current sink is also provided in electrical communication with the current node and in parallel with the first current sink, also configured to draw a second current through the current node in response to a respective control signal. An aggregate current is drawn through the array, determined as a combination of the first and second currents. A commanded current from the first current sink can be shunted around the second array and the second current sink, providing a capability to series both the first and second laser diode light-emitting arrays, while simultaneously drawing different current amplitudes through each array from a common potential source.

    摘要翻译： 提供了用于激活发光器件的组件和过程。 第一电流接收器通过当前节点与公共源电连通并且被配置为响应于相应的控制信号而绘制通过当前节点的第一电流。 还提供第二电流吸收器，其与当前节点电连通并且与第一电流宿并联，还配置为响应于相应的控制信号而绘制通过当前节点的第二电流。 通过阵列绘制聚集电流，确定为第一和第二电流的组合。 来自第一电流吸收器的指令电流可以在第二阵列和第二电流接收器周围分流，提供串联第一和第二激光二极管发光阵列的能力，同时从普通的每个阵列绘制不同的电流幅度 潜在的来源。