中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Large segmented sparse aperture collimation by curvature sensing

文献类型:期刊论文

作者Q. C. An,X. X. Wu,X. D. Lin,M. Ming,J. L. Wang,T. Chen,J. X. Zhang,H. W. Li,L. Chen,J. Tang,R. Wang and H. C. Zhao
刊名Optics Express
出版日期2020
卷号28期号:26页码:12
ISSN号1094-4087
DOI10.1364/oe.413599
英文摘要Fine alignment of large, segmented telescopes is critical for achieving high angular resolution. Building an instrument with an equally large monolithic aperture is difficult because of the increasing mass and volume. Sparse aperture testing is a lower-cost solution to alignment and metrology, both in the optics shop and at the observatory. We combined sparse aperture testing and curvature sensing to process the highly segmented system's final alignment. First, the stitching error, including tip/tilt/piston and shifting errors, is analyzed theoretically and numerically. These errors are then evaluated by normalized point source sensitivity (PSSn), and the change of PSSn during alignment, which specifies the residual alignment error, is calculated by the defocused donuts. Simulations and experiments demonstrate that the system performance improved by more than 35%. In this paper, we have described the incorporation of sparse aperture testing and curvature sensing algorithms, which can easily cover the tipping and shifting error affecting the traditional methodology. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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语种英语
源URL[http://ir.ciomp.ac.cn/handle/181722/64641]  
专题中国科学院长春光学精密机械与物理研究所
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Q. C. An,X. X. Wu,X. D. Lin,M. Ming,J. L. Wang,T. Chen,J. X. Zhang,H. W. Li,L. Chen,J. Tang,R. Wang and H. C. Zhao. Large segmented sparse aperture collimation by curvature sensing[J]. Optics Express,2020,28(26):12.
APA Q. C. An,X. X. Wu,X. D. Lin,M. Ming,J. L. Wang,T. Chen,J. X. Zhang,H. W. Li,L. Chen,J. Tang,R. Wang and H. C. Zhao.(2020).Large segmented sparse aperture collimation by curvature sensing.Optics Express,28(26),12.
MLA Q. C. An,X. X. Wu,X. D. Lin,M. Ming,J. L. Wang,T. Chen,J. X. Zhang,H. W. Li,L. Chen,J. Tang,R. Wang and H. C. Zhao."Large segmented sparse aperture collimation by curvature sensing".Optics Express 28.26(2020):12.

入库方式: OAI收割

来源:长春光学精密机械与物理研究所

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