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Improving the accuracy of mirror measurements by removing noise and lens distortion
Wang ZZ(王振洲)
作者部门机器人学研究室
关键词Measurement One-shot Projection Telescope Mirror Ray Modeling Pattern Modeling Interferometer
发表期刊Measurement Science and Technology
ISSN0957-0233
2016
卷号27期号:11页码:1-9
收录类别SCI ; EI
EI收录号20164302950183
WOS记录号WOS:000385929400003
产权排序1
摘要Telescope mirrors determine the imaging quality and observation ability of telescopes. Unfortunately, manufacturing highly accurate mirrors remains a bottleneck problem in space optics. One main factor is the lack of a technique for measuring the 3D shapes of mirrors accurately for inverse engineering. Researchers have studied and developed techniques for testing the quality of telescope mirrors and methods for measuring the 3D shapes of mirrors for centuries. Among these, interferometers have become popular in evaluating the surface errors of manufactured mirrors. However, interferometers are unable to measure some important mirror parameters directly and accurately, e.g. the paraxial radius, geometry dimension and eccentric errors, and these parameters are essential for mirror manufacturing. In this paper, we aim to remove the noise and lens distortion inherent in the system to improve the accuracy of a previously proposed one-shot projection mirror measurement method. To this end, we propose a ray modeling and a pattern modeling method. The experimental results show that the proposed ray modeling and pattern modeling method can improve the accuracy of the one-shot projection method significantly, making it feasible as a commercial device to measure the shapes of mirrors quantitatively and accurately.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Engineering, Multidisciplinary ; Instruments & Instrumentation
关键词[WOS]SURFACE CHARACTERIZATION ; SHAPE
WOS研究方向Engineering ; Instruments & Instrumentation
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/19288
专题机器人学研究室
通讯作者Wang ZZ(王振洲)
作者单位State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, China
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GB/T 7714
Wang ZZ. Improving the accuracy of mirror measurements by removing noise and lens distortion[J]. Measurement Science and Technology,2016,27(11):1-9.
APA Wang ZZ.(2016).Improving the accuracy of mirror measurements by removing noise and lens distortion.Measurement Science and Technology,27(11),1-9.
MLA Wang ZZ."Improving the accuracy of mirror measurements by removing noise and lens distortion".Measurement Science and Technology 27.11(2016):1-9.
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