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.
利用双棱镜引起
射光束
向双向偏折
原
,
了一种位移法测量
璃双棱镜微小底角
法,介绍了测量基本原,讨论了测量误差.
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