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    • 18. 发明专利
    • Gas laser oscillation device and gas laser processing machine
    • 气体激光振荡器和气体激光加工机
    • JP2005243892A
    • 2005-09-08
    • JP2004051099
    • 2004-02-26
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • SHINNO NOBUOOMATSU HIDEFUMI
    • H01S3/036H01S3/041
    • PROBLEM TO BE SOLVED: To abolish a blower, a heat exchanger, and a gas circulation pipeline route for connecting between them; and to realize a gas laser oscillation device in small size/low cost and requiring no maintenance for a long period of time. SOLUTION: The laser medium 2 is moved to a discharging space 6, and a cooling means is provided in a discharge vessel 1 itself to change the moving direction of the laser medium 2 from the lengthwise direction of the discharge vessel 1 into another direction 27 orthogonal to the lengthwise direction. Under such designing condition as described above necessary laser medium moving speed is set as 1/10. A plurality of movable fins 31-36 arranged in the discharge vessel 1 are oscillated by a piezo-electric element 24 provided in respective movable fins to move circumferential laser medium 2 like as a fan to ventilate air into the discharging space 6. The laser medium 2 sent into the discharging space 6 becomes high temperature by discharge. However, a cooling water passage 23 is provided in the discharge vessel 1 to cool the inner wall of the discharge vessel 1 and the movable fins 31 through the laser medium 2 while air is ventilated again into the discharging space 6 by the oscillation of the movable fins 31 whereby laser oscillation can be carried out effectively. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:废除鼓风机,热交换器和气体循环管道路线,用于连接它们; 并且实现小型/低成本的气体激光振荡装置,并且不需要长时间的维护。 解决方案:激光介质2移动到放电空间6,并且在放电容器1本身中设置冷却装置,以将激光介质2的移动方向从放电容器1的长度方向改变为另一个 方向27与长度方向垂直。 在如上所述的设计条件下,激光介质移动速度设定为1/10。 布置在放电容器1中的多个可动翅片31-36通过设置在各个可动翅片上的压电元件24摆动,以像风扇一样移动周围的激光介质2,以将空气通入排放空间6.激光介质 送到排放空间6的2通过排放变成高温。 然而,在放电容器1中设置有冷却水通道23,以通过激光介质2冷却放电容器1的内壁和可动翅片31,同时空气通过可移动的振荡再次进入放电空间6 翅片31,从而可以有效地进行激光振荡。 版权所有(C)2005,JPO&NCIPI