北京理工大学珠海学院 2020 届本科生毕业设计大功率激光二极管脉冲电源设计大功率激光二极管脉冲电源设计摘 要随着激光二极管的工作特性不断改善和增强，已经逐渐应用于国防、科研、医疗、加工等各个领域，并且起着其他激光器无可替代的作用，成为了各国研究的热点。而激光二极管脉冲驱动电源负责整个电路的驱动、控制和保护激光二极管的作用，并且决定了激光二极管系统稳定性等多方面的重要技术指标，对于激光二极管的输出特性有着重要影响。介绍了论文的研究背景和研究意义，通过了解分析 LD 驱动电源的工作原理，并根据其对于功率的要求，确定了脉冲电源的设计方案和采用了功率 MOSFET 作为电源模块，使其能够实现 90％的电源效率，同时兼具高输出电流和低占空比。采用电流反馈控制原理，实现了精准调控脉冲电流幅度、脉宽等，同时采用保护电路，使大功率激光二极管可以有效抑制浪涌冲击电流，保证其工作效率且增强负载适应性。关键词：大功率激光二极管；驱动电路；激光电源北京理工大学珠海学院 2020 届本科生毕业设计Design of High-PowerLaser Diode Pulse Power SupplyAbstractWith the continuous improvement and enhancement of the working characteristics of laser diodes, it has gradually been used in various fields such as national defense, scientific research, medical treatment, processing, and other lasers are irreplaceable. Role has become a hot topic in various countries. The laser diode pulse drive power is responsible for the driving, control and protection of the entire circuit. It also determines the stability of the laser diode system and other important technologies, which have important effects on the output characteristics of the laser diode.北京理工大学珠海学院 2020 届本科生毕业设计The main contents of this article include: introducing the research background and significance of the paper. By understanding and analyzing the working principle of the LD drive power supply, and according to its power requirements, the design of the pulse power supply and the use of power MOSFET...
