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    • 1. 发明授权
    • Aerodynamic window for a gas laser
    • 气动窗用于气体激光
    • US5185760A
    • 1993-02-09
    • US635619
    • 1991-02-28
    • Keming DuJoachim FranekPeter Loosen
    • Keming DuJoachim FranekPeter Loosen
    • H01S3/08H01S3/034
    • H01S3/0343
    • Aerodynamic window for a gas laser, whose active chamber emits a focussed ser beam and is flow connected by means of a beam passage opening with a window chamber connected to a vacuum pump and which has a beam exit opening in an outer area which is preferably under atmospheric pressure. In order to reduce the pumping power necessary for the aerodynamic window and improve the laser beam quality, the window is so constructed that the laser beam emitted by the active chamber has a first focus in the vicinity of the beam passage opening and is deflected onto a focussing mirror arranged in the window chamber and which gives the laser beam leaving the latter a second focus located in the vicinity of the beam exit opening.
    • PCT No.PCT / DE89 / 00432 Sec。 371日期1991年2月28日 102(e)日期1991年2月28日PCT Filed 1989年6月29日PCT Pub。 第WO90 / 00319号公报 日期1990年1月11日。气体激光器的动力学窗口,其活动室发射聚焦激光束,并且通过光束通道开口流动连接,窗口室连接到真空泵,并且具有光束出射开口 优选在大气压下的外部区域。 为了减小空气动力学窗口所需的泵送功率并提高激光束质量,窗口被构造成使得由主动室发射的激光束在光束通道开口附近具有第一焦点并被偏转到 聚焦反射镜布置在窗室中,并且使得激光束离开光束离开光束出口的附近的第二焦点。