The asymmetry of beam splitting angle of Wollasion prismis is described, and the elimination of adjustable beam splitting angle prism by adusting the cemented layer is analyzed.

• 摘要给出了渥拉斯顿分束角的不对称性，指出通过调整胶合介质层的均匀性可消除可调分束镜分束角的不对称性。