Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Experimental study of an off-axis three mirror anastigmatic system with wavefront coding technology | |
其他题名 | 论文其他题名 |
Yan F.; Tao X. P. | |
2012 | |
发表期刊 | Applied Optics
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ISSN | 1559-128X |
卷号 | 51期号:11页码:1749-1756 |
摘要 | Wavefront coding (WFC) is a kind of computational imaging technique that controls defocus and defocus related aberrations of optical systems by introducing a specially designed phase distribution to the pupil function. This technology has been applied in many imaging systems to improve performance and/or reduce cost. The application of WFC technology in an off-axis three mirror anastigmatic (TMA) system has been proposed, and the design and optimization of optics, the restoration of degraded images, and the manufacturing of wavefront coded elements have been researched in our previous work. In this paper, we describe the alignment, the imaging experiment, and the image restoration of the off-axis TMA system with WFC technology. The ideal wavefront map is set to be the system error of the interferometer to simplify the assembly, and the coefficients of certain Zernike polynomials are monitored to verify the result in the alignment process. A pinhole of 20 mu m diameter and the third plate of WT1005-62 resolution patterns are selected as the targets in the imaging experiment. The comparison of the tail lengths of point spread functions is represented to show the invariance of the image quality in the extended depth of focus. The structure similarity is applied to estimate the relationship among the captured images with varying defocus. We conclude that the experiment results agree with the earlier theoretical analysis. (C) 2012 Optical Society of America |
收录类别 | SCI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/25551 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Yan F.,Tao X. P.. Experimental study of an off-axis three mirror anastigmatic system with wavefront coding technology[J]. Applied Optics,2012,51(11):1749-1756. |
APA | Yan F.,&Tao X. P..(2012).Experimental study of an off-axis three mirror anastigmatic system with wavefront coding technology.Applied Optics,51(11),1749-1756. |
MLA | Yan F.,et al."Experimental study of an off-axis three mirror anastigmatic system with wavefront coding technology".Applied Optics 51.11(2012):1749-1756. |
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