1. Understand the working principle, and optical-electrical and spectral characteristics of LD-Pumped YAG laser and frequency doubling. 2. Master the working principle and debug method of LD-Pumped YAG laser and frequency doubling. 3. Grasp the passive Q-switched working principle of LD-Pumped YAG laser and frequency doubling (Optional). 4. Get to know the basic principle of frequency doubling of LD-Pumped YAG laser and frequency doubling.
