Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Design of an off-axis three-mirror anastigmatic optical system with wavefront coding technology | |
其他题名 | 论文其他题名 |
Yan F. | |
2008 | |
发表期刊 | Optical Engineering
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ISSN | 0091-3286 |
卷号 | 47期号:6 |
摘要 | Wavefront coding (WFC) technology can extend the depth of focus of an optical system, which makes the application of this technology to space cameras extremely attractive. This paper introduces the application of wavefront coding to three-mirror anastigmatic optical systems. A transition model is established, in which the secondary mirror is regarded as the wavefront coding element and redesigned according to mathematical calculation. A comparison of modulation transfer function (MTF) behavior between the traditional system and the innovative system with wavefront coding technology is provided. The MTF behavior of both on-axis and off-axis field-of-view points remains the same in spite of the extended depth of focus. It is also observed that the system becomes very insensitive to aberration related to defocus through WFC technology. Errors in optical design and its improvement are discussed. The linear transition model is proven to be an acceptable one. Finally, an extension factor for the depth of focus is defined, and its effect is presented graphically. (C) 2008 Society of Photo-Optical Instrumentation Engineers. |
收录类别 | SCI ; EI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/26384 |
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.. Design of an off-axis three-mirror anastigmatic optical system with wavefront coding technology[J]. Optical Engineering,2008,47(6). |
APA | Yan F..(2008).Design of an off-axis three-mirror anastigmatic optical system with wavefront coding technology.Optical Engineering,47(6). |
MLA | Yan F.."Design of an off-axis three-mirror anastigmatic optical system with wavefront coding technology".Optical Engineering 47.6(2008). |
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