The Effect of Optical Corner Cubes' Asymmetry on Angle Measurement of Optical Wedge

被引：0
|
作者：
He, Chuan [1 ]
Zou, Guilan [1 ]
Ren, Jianrong [1 ]
Lin, Jiaming [1 ]
机构：
[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China
来源：
2011 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: OPTOELECTRONIC MEASUREMENT TECHNOLOGY AND SYSTEMS | 2011年 / 8201卷
关键词：
dual-frequency laser interference; sinusoidal measurement angle; optical corner cube; asymmetry;
D O I：
10.1117/12.906662
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this paper, one approach of angle measurement of optical wedge used dual-frequency laser interferometer is referred. The asymmetry of the optical corner cubes in reflector housing is analyzed which has a notable effect on the uncertainty of the measurement result. The asymmetry is constituted by two components: Delta h, the height difference between optical corner cubes, and Delta alpha, the non-parallelism between two front surfaces of optical corner cubes. At last the influence of this error is obtained, and a precision compensation model for angle measurement is established.
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页数：6
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