ACCURATE MEASUREMENT OF THE DIHEDRAL ANGLE OF A CORNER CUBE

被引:9
|
作者
AI, CY [1 ]
SMITH, KL [1 ]
机构
[1] THREE M CO,ST PAUL,MN 55144
来源
APPLIED OPTICS | 1992年 / 31卷 / 04期
关键词
OPTICAL TESTING; CORNER CUBE; DIHEDRAL ANGLES;
D O I
10.1364/AO.31.000519
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The alignment of a corner cube affects the measurement of its dihedral angle. For 5 deg of tilt, the error is up to 7%, depending on the orientation of the tilt. A vector model is devised to derive formulas that take misalignment into account for both solid and hollow corner cubes. When the wave-front tilt caused by the dihedral angle error is not much greater than that caused by the surface figure, because of vignetting for a tilting illumination, the surface figure of the cube facet makes varying contributions to the wave-front tilt for different incident angles. Simulations and experimental results are presented.
引用
收藏
页码:519 / 527
页数:9
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