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    LASERZÜNDSYSTEM
    4.
    发明公开
    LASERZÜNDSYSTEM 审中-公开
    激光点火系统

    公开(公告)号：EP2954195A1

    公开(公告)日：2015-12-16

    申请号：EP14703368.2

    申请日：2014-02-07

    Applicant: Robert Bosch GmbH

    Inventor： OSTRINSKY, Joern ,  RIDDERBUSCH, Heiko

    IPC: F02P23/04 ,  H01S3/00

    CPC classification number: F02P23/04 ,  H01S3/00 ,  H01S3/005 ,  H01S3/0627 ,  H01S3/113 ,  H01S5/005

    Abstract: The invention relates to a laser ignition system (1) comprising at least one means for producing a pulsed laser beam (10) and at least one means for focusing (20) the pulsed laser beam produced onto a focal zone (23), for example for igniting a combustible gas mixture in an internal combustion engine or a burner, the laser ignition system (1) being designed to produce a pulsed laser beam having a fluence volume of greater 0.1.

    PASSIVE Q-SWITCH ELEMENT AND PASSIVE Q-SWITCH LASER DEVICE
    6.
    发明公开
    PASSIVE Q-SWITCH ELEMENT AND PASSIVE Q-SWITCH LASER DEVICE 审中-公开
    被动式GÜTESCHALTERELEMENT被动式GÜTESCHALTER-LASERVORRICHTUNG

    公开(公告)号：EP2849293A1

    公开(公告)日：2015-03-18

    申请号：EP13787075.4

    申请日：2013-04-25

    Applicant: Mitsubishi Electric Corporation

    Inventor： AKINO, Yosuke ,  HIRANO, Yoshihito ,  YANAGISAWA, Takayuki ,  FUKAHORI, Hidenori

    IPC: H01S3/113 ,  H01S3/063

    CPC classification number: H01S3/11 ,  G02F1/3523 ,  G02F2001/3503 ,  H01S3/063 ,  H01S3/067 ,  H01S3/0805 ,  H01S3/09415 ,  H01S3/1061 ,  H01S3/113

    Abstract: Provided is a passively Q-switched element or the like, which enables mode selection without increasing the number of components in a resonator in a Q-switched pulse laser or the like that oscillates in a great number of high-order modes and which is also applicable to a waveguide type laser in which a mode cannot be controlled spatially. By combining a saturable absorber (2) with a transparent material (3) which is transparent to a laser oscillation wavelength or the like, a passively Q-switched element having a mode selection function and a passively Q-switched laser device in which a passively Q-switched element has a mode selection function, and a planar waveguide type passively Q-switched element and passively Q-switched laser device are provided.

    Abstract translation: 提供了一种无源Q开关元件等，其能够在不增加以大量高阶模式振荡的Q开关脉冲激光器等中的谐振器中的分量的数量的情况下进行模式选择，并且也是 适用于其中空间不能控制模式的波导型激光器。 通过将饱和吸收体（2）与对激光振荡波长等透明的透明材料（3）组合，具有模式选择功能的被动Q开关元件和被动Q开关激光装置，其中被动地 Q开关元件具有模式选择功能，并且提供了平面波导型无源Q开关元件和被动Q开关激光器件。

    Laser system and method for producing a linearly polarized single frequency output using polarized and non-polarized pump diodes
    7.
    发明公开
    Laser system and method for producing a linearly polarized single frequency output using polarized and non-polarized pump diodes 审中-公开
    激光系统和方法，用于用偏振光和非偏振光的泵浦二极管产生的直线偏振光的单频输出

    公开(公告)号：EP2590277A2

    公开(公告)日：2013-05-08

    申请号：EP12183188.7

    申请日：2012-09-05

    Applicant: RAYTHEON COMPANY

    Inventor： Filgas, David M. ,  Davis, N. Peter ,  Klotz, Matthew J. ,  Leyva, Victor ,  Stultz, Robert D. ,  Sotelo, Juan Carlos

    IPC: H01S3/094 ,  H01S3/0941 ,  H01S3/106 ,  H01S3/113 ,  H01S3/06 ,  H01S3/10

    CPC classification number: H01S3/0627 ,  H01S3/08031 ,  H01S3/094053 ,  H01S3/094084 ,  H01S3/09415 ,  H01S3/10061 ,  H01S3/1061 ,  H01S3/113 ,  H01S3/1611 ,  H01S3/1643

    Abstract: According to an embodiment of the disclosure, a laser system (100,200) comprises a pump diode (104,204), fiber (110,210), relay optics (120,220), and a microchip laser crystal (130,230). The pump diode (104,204) is configured to produce light at a first wavelength. The fiber (110,210), coupled to the pump diode, is configured to receive the light from the pump diode and to produce a round, homogeneous light spot at an output of the fiber. The relay optics (120,220) are configured to receive the light from the fiber. The microchip laser crystal (130,230) is configured to receive the light from the relay optics and to produce a linearly polarized single frequency output (140,240) at a second wavelength. The microchip laser crystal includes a first layer (132,232) and a second layer (136,236). The first layer (132,232) is configured to absorb the light at the first wavelength and emit light at the second wavelength. The second layer (136,236) is configured to receive the light at the second wavelength and to either provide a polarization dependent loss at the second wavelength or maintain a polarization of the light at the second wavelength.

    Abstract translation: 。根据在公开的实施例中，激光系统（100,200）包括泵二极管（104,204），光纤（110,210），中继光学器件（120,220），和一个微片型激光器晶体（130230）。 泵浦二极​​管（104,204）被配置成在第一波长的光。 光纤（110,210），耦合到所述泵二极管，被配置为从所述泵二极管接收的光，并在在光纤的输出端产生一个圆形的，均匀的光点。 中继光学器件（120,220）被配置为从光纤接收光。 微片型激光器晶体（130,230）被配置成从中继光学系统接收的光，并产生第二波长的直线偏振光的单频输出（140240）。 微片型激光器晶体包括第一层（132.232）和第二层（136.236）。 所述第一层（132.232）被配置为吸收光在第一波长和第二波长发射光。 所述第二层（136.236）被配置在所述第二波长为接收所述光，并且在第二波长成提供一个偏振相关损耗或第二波长维持光的偏振。

    MINIATURISIERTE LASERVERSTÄRKERANORDNUNG MIT PUMPQUELLE
    8.
    发明公开
    MINIATURISIERTE LASERVERSTÄRKERANORDNUNG MIT PUMPQUELLE 有权
    MINIATURISIERTELASERVERSTÄRKERANORDNUNGMIT PUMPQUELLE

    公开(公告)号：EP2514048A2

    公开(公告)日：2012-10-24

    申请号：EP09806162.5

    申请日：2009-11-26

    Applicant: EADS Deutschland GmbH

    Inventor： PEUSER, Peter ,  PLATZ, Willi

    IPC: H01S3/0941

    CPC classification number: H01S3/09415 ,  H01S3/061 ,  H01S3/0627 ,  H01S3/094049 ,  H01S3/094053 ,  H01S3/094061 ,  H01S3/113 ,  H01S3/2308

    Abstract: The invention relates to a laser amplifier arrangement (19), comprising an optical pump source (21) for emitting pump radiation (6) and an axially arranged laser oscillator-amplifier configuration (24), which can be pumped by the pump radiation (6), wherein the laser oscillator-amplifier configuration (24) comprises a laser oscillator (9), which can be excited by a portion of the pump radiation so as to emit a laser beam (13), and a laser amplifier (23), which is designed to receive both the laser beam (13) and the pump radiation (6) in order to amplify the laser beam (13) by means of the pump radiation (6). In order to increase the power and the beam quality while achieving a high degree of miniaturization, the laser oscillator (9) and the laser amplifier (23) are arranged in a substantially coaxial or collinear manner relative to a longitudinal axis (25) of the laser oscillator-amplifier configuration (24), and the pump source (21) comprises at least one first beam source (1) for producing a first pump radiation to pump the laser oscillator (9), at least one second beam source (2) for producing a second pump radiation (6) for the laser amplifier (23), and a pump radiation conducting device (26), by means of which both the first and the second pump radiation (6) can be lead into the laser oscillator-amplifier configuration (24) substantially in the direction of the longitudinal axis (25) for longitudinal pumping.

    Abstract translation: 激光放大器装置包括光泵浦源和由泵浦辐射泵浦的轴向布置的激光振荡器放大器构造。 激光振荡器放大器配置包括可由泵浦辐射的一部分激发以发射激光束的激光振荡器，以及使用泵浦辐射放大激光束的激光放大器。 激光振荡器和激光放大器相对于激光振荡器 - 放大器配置的纵向轴线基本上同轴或共线布置。 泵浦源包括用于产生用于泵浦激光振荡器的第一泵浦辐射的第一光束源，用于产生用于激光放大器的第二泵浦辐射的第二光束源，以及泵辐射传导装置，借助于该辐射源的第一和 第二泵浦辐射可以基本上沿着纵向轴线的方向引入激光振荡器 - 放大器配置，用于纵向泵送。

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