适用于激光引信的脉冲半导体激光电源研制  

Design of pulsed laser diode drive power in laser fuze

作　　者：王强[1] 李智[1] 

机构地区：[1]四川大学电子信息学院,四川成都610064

出　　处：《电子测试》2014年第2期12-14,共3页Electronic Test

摘　　要：研制一种应用于激光引信的脉冲半导体激光器驱动电源,其输出的脉冲信号具有体积小、重复率高、上升沿时间短、脉宽窄、功率大等优点。本电源选用大功率的高速MOSFET管作为开关,设计出相应的高速开关控制电路,在常规的24V供电时,驱动电源提供重复率20KHz,激光峰值功率30W,上升沿时间为3.4ns,脉宽为7.2ns的脉冲信号,为有效的提高激光引信定距精度、抗干扰能力提供了有力保证。A pulsed laser diode driving power for laser fuze has been designed,which was portable,high repetition rate,short rising time,narrow pulse width and high power.an extremely fast and high-power MOSFET is applied in the driving circuit as the switch to provide the laser diode with pulse of high repetition rate（20kHz）,short rising time（3.4ns）,narrow pulse width（7.2ns） and high power（30W）when the highest value of the charge voltage was limited to 24 V.All these excellent characteristics provide guarantee for improving the precision of distance measurement efficiently and anti-interference capability in laser fuze.

关 键 词：激光引信 半导体激光器 窄脉宽 驱动电源 纳秒级脉冲 

分 类 号：TN248.4[电子电信—物理电子学]