OE双输出棱镜的分束角和光强分束比研究

Researches of splitting angle and splitting intensity ratio of OE double escape prism

分析了非偏振光经过OE双输出棱镜起偏、分束后 ,o光 ,e光之分束角及其光强分束比随入射角 (视场角内 )的变化关系。结果表明 ,当入射角变化α时 ,分束角随之变化 2α ;而光强分束比不再保持 1∶1。

In this paper,the splitting angle and the light intensity splitting ratio of o ray and e ray changing with incident angle are analyzed after non-polarized light penetrates the OE double escape prism. The result proves that the splitting angle changes 2α when the incident angle changes α. At the same time,the intensity splitting ratio doesn’t remain 1∶1,but presents to be a nonlinear relation.