根据半导体激光器的特性,设计了一套新型的保护电路系统,利用有效的滤波电路、防浪涌保护电路、慢启动电路、过流过压保护电路及精密温控电路,较大地改进了半导体激光器电源的可靠性,提高了半导体激光器的输出稳定性,延长了激光器的使用寿命。该保护系统具有性能可靠、结构简单、成本低廉等优点。 According to the characteristics of the semiconductor laser, a new type of protection circuit system is designed. With the effective filter circuit, surge protection circuit, slow start-up circuit, over-current and over-voltage protection circuit and precision temperature control circuit, the semiconductor laser The reliability of the power supply improves the output stability of the semiconductor laser and prolongs the lifetime of the laser. The protection system has the advantages of reliable performance, simple structure and low cost.