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Flat mirror tilt and piston measurement based on structured light reflection
Li, Lulu1,2,3; Zhao, Wenchuan1; Wu, Fan1; Liu, Yong2
Source PublicationOptics Express
Volume22Issue:22Pages:27707-27716
2014
Language英语
Indexed BySCI ; Ei
WOS IDWOS:000344004900118
Subtype期刊论文
AbstractThis paper presents a simple method for flat mirror tilt and piston measurement. The method only needs an LCD screen and a CCD camera. LCD screen displays structured light pattern, and camera takes the pattern's virtual image (VI) reflected by the mirror. Pose relationship between camera coordinate system and VI coordinate system can be calculated by camera calibration. Through coordinate transition, the relative tilt and piston of the mirror can be obtained. This method is simple in both structure and principle, and experiments prove that it can measure the flat mirror tilt for about 13 accuracy and piston for less than 1um accuracy. And under the guidance of our method, a mirror can be adjusted to a specified pose.; This paper presents a simple method for flat mirror tilt and piston measurement. The method only needs an LCD screen and a CCD camera. LCD screen displays structured light pattern, and camera takes the pattern's virtual image (VI) reflected by the mirror. Pose relationship between camera coordinate system and VI coordinate system can be calculated by camera calibration. Through coordinate transition, the relative tilt and piston of the mirror can be obtained. This method is simple in both structure and principle, and experiments prove that it can measure the flat mirror tilt for about 13 accuracy and piston for less than 1um accuracy. And under the guidance of our method, a mirror can be adjusted to a specified pose.
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7036
Collection先光中心
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, China
3. University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Li, Lulu,Zhao, Wenchuan,Wu, Fan,et al. Flat mirror tilt and piston measurement based on structured light reflection[J]. Optics Express,2014,22(22):27707-27716.
APA Li, Lulu,Zhao, Wenchuan,Wu, Fan,&Liu, Yong.(2014).Flat mirror tilt and piston measurement based on structured light reflection.Optics Express,22(22),27707-27716.
MLA Li, Lulu,et al."Flat mirror tilt and piston measurement based on structured light reflection".Optics Express 22.22(2014):27707-27716.
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