1.Based on the double refraction principle of outgoing beam in the biprism,the displacement method for measuring the small angle of biprism is presented.The error of this method is also discussed.
利用双起出射光束方向双向偏折的原理,提出
一种位移法
璃双
微小底角的新方法,介绍
的基本原理,讨论
误差.