Chopper is an important part of infrared detecting system and laserradar; the transfer function is used to characterize the optical transfer characteristics of chopper.
斩波器是红外探测系统、激光雷达系统等的重要组成器件，传递函数可以用来描述斩波器的光学传递特性。
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The high repetition rate LD pump Q-switch solid state laser has been widely used in a lot of fields, such as the laser communication, optical storage, marking, welding and ranging radar.