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    • 3. 发明专利
    • Method for generating laser and pulsed laser emission
    • 用于产生激光和脉冲激光发射的方法
    • JP2010080957A
    • 2010-04-08
    • JP2009210369
    • 2009-09-11
    • Jenoptik Laser Optik Systeme Gmbhイェノプティック レーザー オプティーク システメ ゲーエムベーハーJenoptik Laser,Optik,Systeme Gmbh
    • SYMANOWSKI JANHOFFMANN MATTHIASLUDEMANN MICHAEL
    • H01S3/117H01S3/115
    • H01S3/117H01S3/10046H01S3/1068H01S3/1305H01S3/1306
    • PROBLEM TO BE SOLVED: To improve a Q switch laser so that the maximum pulse repetition rate is enhanced, and pulse length is maintained even a pulse repetition rate is increased, or shorter pulse length is selected.
      SOLUTION: Laser for generating pulsed laser emission 2 includes: a resonator 3; a laser active medium 6 arranged in the resonator 3; and a Q switch 8 arranged in the resonator 3 and capable of setting a first state and a second state to set the quality of the resonator. The quality of the resonator is lower in a first state than that in a second state. The laser also includes: a detection unit 10 which measures the intensity of laser pulse during formation when the Q switch 8 is in the second state and outputs the measured value as an intensity signal I; and a control unit 11 which switches the Q switch 8 from the second state to the first state in response to a predetermined pulse period and the supplied intensity signal I before the completion of the pulse formation of the laser pulse, and controls the Q switch 8.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了改善Q开关激光器,使得最大脉冲重复率增强,并且即使脉冲重复率增加也保持脉冲长度,或选择更短的脉冲长度。 解决方案:用于产生脉冲激光发射的激光2包括:谐振器3; 布置在谐振器3中的激光活性介质6; 以及布置在谐振器3中并且能够设置第一状态和第二状态以设置谐振器的质量的Q开关8。 在第一状态下,谐振器的质量低于第二状态。 激光器还包括:检测单元10,其在Q开关8处于第二状态时测量形成期间的激光脉冲的强度,并将测量值作为强度信号I输出; 以及控制单元11,其响应于预定脉冲周期和完成激光脉冲形成脉冲之前提供的强度信号I将Q开关8从第二状态切换到第一状态,并且控制Q开关8 。版权所有(C)2010,JPO&INPIT