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.
1.利用棱镜引起
射光束方
折的原理,提
了一种位移法
玻璃
棱镜微小底角的新方法,介绍了
的基本原理,讨论了
误差.