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    • 9. 发明授权
    • Protection device for solid state laser
    • 固态激光器保护装置
    • US08503497B2
    • 2013-08-06
    • US13323278
    • 2011-12-12
    • Oleg SerebryanovAlexander GoldinAbhilash J. MayurLeonid M. Tertitski
    • Oleg SerebryanovAlexander GoldinAbhilash J. MayurLeonid M. Tertitski
    • H01S3/00
    • H01S3/0014B23K26/0626B23K26/354H01S3/10038
    • Embodiments provide systems, devices, and methods for controlling a laser. The system includes a controller to control a laser, a ramp generator to ramp down laser power, the ramp generator electrically coupled with the controller and coupleable with the laser, and a hardware protection system electrically coupled with the ramp generator, wherein the ramp generator monitors signals sent from the controller and the hardware protection system to the ramp generator to detect signal failure and ramps down the laser power upon signal failure detection. The method includes sending a control status signal from a controller for a laser to a ramp generator, monitoring the control status signal for missing pulses, sending a hardware interlock status signal from a hardware protection system to the ramp generator, monitoring the hardware interlock status signal for signal failure, and ramping down laser power upon detection of missing pulses or signal failure.
    • 实施例提供了用于控制激光器的系统,装置和方法。 该系统包括控制激光器的控制器,降低激光功率的斜坡发生器,与控制器电耦合并与激光器耦合的斜坡发生器以及与斜坡发生器电耦合的硬件保护系统,其中斜坡发生器监视 从控制器和硬件保护系统发送到斜坡发生器的信号,以在信号故障检测时检测信号故障并降低激光功率。 该方法包括将控制状态信号从用于激光的控制器发送到斜坡发生器,监视用于丢失脉冲的控制状态信号,从硬件保护系统向斜坡发生器发送硬件互锁状态信号,监视硬件互锁状态信号 用于信号故障,并且在检测到丢失的脉冲或信号故障时降低激光功率。