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Simultaneous multi-segmented mirror orientation test system using a digital aperture based on sheared Fourier analysis
Choi, Heejoo1; Trumper, Isaac1; Dubin, Matthew1; Zhao, Wenchuan1,2; Kim, Dae Wook1,3
Source PublicationOptics Express
Volume25Issue:15Pages:18152-18164
2017
Language英语
ISSN1094-4087
Indexed BySCI ; Ei
AbstractThis paper presents a simultaneous multi-segmented mirror orientation test system (SMOTS) using localized sheared images. A CMOS camera captures images of reflected 2D sinusoidal patterns from the test mirrors as their orientation changes. Surface orientation is measured to within 0.8 µrad (0.16 arcseconds) for a flat mirror. In addition, we measure the variation of seven mirror segments simultaneously. Furthermore, SMOTS is applied to measure the orientation of two concave mirrors with an accuracy of 2.7 µrad (0.56 arcseconds). The measurement time for seven segments is 0.07 s. This technique can monitor the mirror segment orientation in an open/closed-loop for various optical setups. © 2017 Optical Society of America.
KeywordFourier analysis - Mirrors
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8870
Collection先光中心
Affiliation1.College of Optical Sciences, University of Arizona, 1630 E. University Blvd., Tucson; AZ; 85721, United States;
2.Chinese Academy of Sciences, Institute of Optics and Electronics, Chengdu; 610209, China;
3.Steward Observatory, University of Arizona, 933 N. Cherry Ave., Tucson; AZ; 85719, United States
Recommended Citation
GB/T 7714
Choi, Heejoo,Trumper, Isaac,Dubin, Matthew,et al. Simultaneous multi-segmented mirror orientation test system using a digital aperture based on sheared Fourier analysis[J]. Optics Express,2017,25(15):18152-18164.
APA Choi, Heejoo,Trumper, Isaac,Dubin, Matthew,Zhao, Wenchuan,&Kim, Dae Wook.(2017).Simultaneous multi-segmented mirror orientation test system using a digital aperture based on sheared Fourier analysis.Optics Express,25(15),18152-18164.
MLA Choi, Heejoo,et al."Simultaneous multi-segmented mirror orientation test system using a digital aperture based on sheared Fourier analysis".Optics Express 25.15(2017):18152-18164.
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