The polarization characteristics of the corner-cube prism for YAG laser are analyzed, and two kinds of optical thin films are designed to compensate its polarization properties.

• 用琼斯算法对YAG激光用全反射角立方反射镜的偏振特性进行了分析，并利用薄膜的偏振特性设计了两膜系对其进行了补偿；