Liquid heat capacity lasers
    1.
    发明授权
    Liquid heat capacity lasers 失效
    液体热容激光器

    公开(公告)号:US07212558B2

    公开(公告)日:2007-05-01

    申请号:US10836925

    申请日:2004-04-30

    CPC classification number: H01S3/0402 H01S3/0941 H01S3/1611 H01S3/20

    Abstract: The heat capacity laser concept is extended to systems in which the heat capacity lasing media is a liquid. The laser active liquid is circulated from a reservoir (where the bulk of the media and hence waste heat resides) through a channel so configured for both optical pumping of the media for gain and for light amplification from the resulting gain.

    Abstract translation: 热容激光器的概念扩展到其中热容量激光介质是液体的系统。 激光活性液体从储存器(其中大部分介质,因此废热所驻留)循环通过如此配置的通道,用于介质的光泵浦以获得增益,并从所得增益进行光放大。

    Device for wavefront correction in an ultra high power laser
    5.
    发明授权
    Device for wavefront correction in an ultra high power laser 失效
    超高功率激光波前校正装置

    公开(公告)号:US06438151B1

    公开(公告)日:2002-08-20

    申请号:US09691505

    申请日:2000-10-18

    CPC classification number: H01S3/20

    Abstract: A system for wavefront correction in an ultra high power laser. As the laser medium flows past the optical excitation source and the fluid warms its index of refraction changes creating an optical wedge. A system is provided for correcting the thermally induced optical phase errors.

    Abstract translation: 超高功率激光波前校正系统。 当激光介质流过光学激发源并且流体加速其折射率变化时产生光学楔形。 提供了一种用于校正热诱导的光学相位误差的系统。

    Phase change based cooling for high burst mode heat loads with temperature regulation above the phase change temperature
    7.
    发明授权
    Phase change based cooling for high burst mode heat loads with temperature regulation above the phase change temperature 失效
    相变温度高于相变温度的高突发模式热负载

    公开(公告)号:US07633980B1

    公开(公告)日:2009-12-15

    申请号:US12039766

    申请日:2008-02-29

    Abstract: An apparatus and method for transferring thermal energy from a heat load is disclosed. In particular, use of a phase change material and specific flow designs enables cooling with temperature regulation well above the fusion temperature of the phase change material for medium and high heat loads from devices operated intermittently (in burst mode). Exemplary heat loads include burst mode lasers and laser diodes, flight avionics, and high power space instruments. Thermal energy is transferred from the heat load to liquid phase change material from a phase change material reservoir. The liquid phase change material is split into two flows. Thermal energy is transferred from the first flow via a phase change material heat sink. The second flow bypasses the phase change material heat sink and joins with liquid phase change material exiting from the phase change material heat sink. The combined liquid phase change material is returned to the liquid phase change material reservoir. The ratio of bypass flow to flow into the phase change material heat sink can be varied to adjust the temperature of the liquid phase change material returned to the liquid phase change material reservoir. Varying the flowrate and temperature of the liquid phase change material presented to the heat load determines the magnitude of thermal energy transferred from the heat load.

    Abstract translation: 公开了一种用于从热负荷传递热能的装置和方法。 特别地,使用相变材料和特定流动设计可以使温度调节的温度远远高于相变材料的熔融温度,用于间歇运行(以突发模式)运行的设备的中等和高热负载。 示例性的热负载包括突发模式激光器和激光二极管,飞行航空电子设备和高功率空间仪器。 热能从相变材料储层从热负荷转移到液相变材料。 液相变材料被分成两股。 热能通过相变材料散热器从第一流转移。 第二流量绕过相变材料散热器并与从相变材料散热器出来的液相变材料连接。 组合的液相变材料返回到液相变材料储存器。 可以改变旁路流量与进入相变材料散热器的流量的比例,以调节返回到液相变材料储存器的液相变质材料的温度。 改变提供给热负荷的液相变材料的流量和温度决定了从热负荷传递的热能的大小。

    High average power laser gain medium with low optical distortion using a transverse flowing liquid host
    9.
    发明授权
    High average power laser gain medium with low optical distortion using a transverse flowing liquid host 失效
    高平均功率激光增益介质,使用横向流动的液体主机具有低光学失真

    公开(公告)号:US06914926B2

    公开(公告)日:2005-07-05

    申请号:US10452667

    申请日:2003-05-30

    CPC classification number: H01S3/20

    Abstract: A high average power, low optical distortion laser gain media is based on a flowing liquid media. A diode laser pumping device with tailored irradiance excites the laser active atom, ion or molecule within the liquid media. A laser active component of the liquid media exhibits energy storage times longer than or comparable to the thermal optical response time of the liquid. A circulation system that provides a closed loop for mixing and circulating the lasing liquid into and out of the optical cavity includes a pump, a diffuser, and a heat exchanger. A liquid flow gain cell includes flow straighteners and flow channel compression.

    Abstract translation: 高平均功率,低光学失真激光增益介质基于流动的液体介质。 具有定制辐照度的二极管激光泵浦装置激发液体介质内的激光活性原子,离子或分子。 液体介质的激光活性组分表现出比液体的热光学响应时间更长或相当的能量储存时间。 提供用于将激光液体混合并循环到光腔中的闭环的循环系统包括泵,扩散器和热交换器。 液体流增益池包括流动矫直机和流动通道压缩。

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