1 引言 自1960年首先出现激光以来,激光器变得越来越大、越来越强,处理由此产生的复杂问题既属必要,也是一项专长。 产生强激光束的过程要求光束通过多块光学玻璃,玻璃常需镀 1 Introduction Since the first laser appeared in 1960, lasers have become larger and stronger and more powerful. It is both necessary and special to deal with the complicated problems that arise. The process of generating a strong laser beam requires that the beam pass through a plurality of optical glasses, which are often plated