Modified surface testing method for large convex aspheric surfaces based on diffraction optics | |
Zhang, H. D.; X. K. Wang; D. L. Xue and X. J. Zhang | |
刊名 | Applied Optics
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2017 | |
卷号 | 56期号:34 |
英文摘要 | Large convex aspheric optical elements have been widely applied in advanced optical systems, which have presented a challenging metrology problem. Conventional testing methods cannot satisfy the demand gradually with the change of definition of "large." A modified method is proposed in this paper, which utilizes a relatively small computer-generated hologram and an illumination lens with certain feasibility to measure the large convex aspherics. Two example systems are designed to demonstrate the applicability, and also, the sensitivity of this configuration is analyzed, which proves the accuracy of the configuration can be better than 6 nm with careful alignment and calibration of the illumination lens in advance. Design examples and analysis show that this configuration is applicable to measure the large convex aspheric surfaces. (C) 2017 Optical Society of America |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.ciomp.ac.cn/handle/181722/59423] ![]() |
专题 | 长春光学精密机械与物理研究所_中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Zhang, H. D.,X. K. Wang,D. L. Xue and X. J. Zhang. Modified surface testing method for large convex aspheric surfaces based on diffraction optics[J]. Applied Optics,2017,56(34). |
APA | Zhang, H. D.,X. K. Wang,&D. L. Xue and X. J. Zhang.(2017).Modified surface testing method for large convex aspheric surfaces based on diffraction optics.Applied Optics,56(34). |
MLA | Zhang, H. D.,et al."Modified surface testing method for large convex aspheric surfaces based on diffraction optics".Applied Optics 56.34(2017). |
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