Design of an off-axis three-mirror anastigmatic optical system with wavefront coding technology

	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
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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