脉冲泵浦条件下EDFA特性的研究具有重要价值,因此需要高性能的脉冲泵浦激光器。介绍了以iC-HG为核心芯片设计980nm脉冲激光器的驱动电路,同时以DRV591为核心芯片设计脉冲激光器的温控电路,研究了脉冲泵浦激光器设计和制作中的关键问题。该激光器可以直流激光输出和脉冲激光输出,且脉冲宽度、激光功率、占空比均可调,脉冲宽度最小可达10ns,直流光功率可达180mW,脉冲峰值功率可达160mW。 The study of EDFA characteristics under pulsed pumping conditions is of great value and therefore requires high performance pulsed-pumped lasers. The driving circuit of 980-nm pulse laser with iC-HG as the core chip and the temperature-control circuit of pulsed laser with DRV591 as the core chip are introduced. The key problems in the design and fabrication of the pulse-pumped laser are introduced. The laser can output DC laser and pulsed laser. Its pulse width, laser power and duty cycle are adjustable. Its pulse width is 10ns, DC power is up to 180mW and pulse peak power is up to 160mW.