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    • 7. 发明申请
    • LASER APPARATUS
    • 激光装置
    • WO2013144677A8
    • 2013-11-21
    • PCT/IB2012002758
    • 2012-12-19
    • GIGAPHOTON INC
    • NOWAK KRZYSZTOFWAKABAYASHI OSAMU
    • H01S3/23G02F1/35H01S3/00H01S3/03H01S3/038H01S3/041H01S3/0971H01S3/223
    • H01S3/005H01S3/0064H01S3/0315H01S3/038H01S3/041H01S3/2232H01S3/2316H01S3/2366H05G2/005H05G2/008
    • A laser apparatus may include a master oscillator (310) configured to output a laser beam, at least one amplifier (320) provided in a beam path of the laser beam, at least one saturable absorber gas cell (330) provided downstream from the at least one amplifier (321) and configured to contain a saturable absorber gas for absorbing a part of the laser beam, the part having a beam intensity equal to or lower than a predetermined beam intensity, and a cooling unit (3304,3305) for cooling the saturable absorber gas. The saturable absorber gas cell (330) includes a chamber (3301) filled with saturable absorber gas (3308) and delimited by input/output windows (3302,3303). Furthermore, the chamber comprises a pair of cooling plates (3304,3305). The cooling plates have flow channels (3306,3307) for water cooling.
    • 激光装置可以包括被配置为输出激光束的主振荡器(310),设置在激光束的光束路径中的至少一个放大器(320),设置在激光束的下游的至少一个可饱和吸收器气体单元(330) 至少一个放大器(321),并且被配置为包含用于吸收激光束的一部分的可饱和吸收剂气体,所述部件具有等于或低于预定光束强度的光束强度,以及用于冷却的冷却单元(3304,3305) 可饱和吸收气体。 可饱和吸收器气体池(330)包括填充有可饱和吸收气体(3308)并由输入/输出窗口(3302,3303)限定的室(3301)。 此外,腔室包括一对冷却板(3304,3305)。 冷却板具有用于水冷却的流动通道(3306,3307)。
    • 8. 发明申请
    • CYLINDRICAL LASER WITH HIGH FREQUENCY DISCHARGE EXCITATION
    • 具有高频放电激励的圆柱形激光器
    • WO2011047286A3
    • 2011-08-25
    • PCT/US2010052879
    • 2010-10-15
    • KRASNOV ALEXANDER V
    • KRASNOV ALEXANDER V
    • H01S3/03H01S3/0943H01S3/0951H01S3/0979
    • H01S3/032H01S3/036H01S3/038H01S3/041
    • Disclosed is a subsonic transfer gas flow laser utilizing high frequency discharge excitation (HFDE) applied in a narrow gap of gas dynamic channel formed between two parallel non-concentric cylindrical vessels. The laser body consists of an external cylindrical metal vessel and an internal cylindrical dielectric vessel positioned interior to the external vessel. The vessels are sealed and form an aerodynamic channel for a closed loop circulation of a laser gas medium which circulates through the channel via a turbo blower. An electrode-less cavity design is utilized by placing a single electrode on the external surface of cylindrical dielectric vessel and the dielectrically insulated external metal vessel is electrically grounded. The optical resonator is placed within or partially downstream or entirely downstream of the plasma chamber. The gas dynamic channel within the optical resonator cavity may have the angle of opening along the gas flow direction.
    • 公开了一种亚音速转移气流激光器,其利用在两个平行的非同心圆柱形容器之间形成的气体动态通道的狭窄间隙中应用的高频放电激励(HFDE)。 激光器主体由外部圆柱形金属容器和位于外部容器内部的内部圆柱形电介质容器组成。 容器被密封并且形成用于通过涡轮鼓风机在通道中循环的激光气体介质的闭环循环的空气动力学通道。 通过将单个电极放置在圆柱形电介质容器的外表面上来利用无电极腔体设计,并且介电绝缘的外部金属容器被电接地。 光学谐振器放置在等离子体室内或部分地位于下游或完全位于等离子体室的下游。 光学谐振腔内的气体动态通道可以具有沿着气流方向的开口角度。