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Analytical and experimental demonstration of depth of field extension for incoherent imaging system with a standard sinusoidal phase mask
Zhao, Hui; Li, Yingcai
作者部门空间光学技术研究室
2012-03-10
发表期刊CHINESE OPTICS LETTERS
ISSN1671-7694
卷号10期号:3页码:031101
产权排序1
摘要The wavefront coding technique is used to enlarge the depth of field (DOF) of incoherent imaging systems. The key to wavefront coding lies in the design of suitable phase masks. To date, numerous kinds of phase masks are proposed. However, further understanding is needed regarding phase mask with its phase function being in a standard sinusoidal form. Therefore, the characteristics of such a phase mask are studied in this letter. Deriving the defocused optical transfer function (OTF) analytically proves that the standard sinusoidal phase mask is effective in extending the DOF, and actual experiments confirm the numerical results. At the same time, with the Fisher information as a criterion, the standard sinusoidal phase mask shows a higher tolerance to focus errors (especially severe focus errors) than the classical cubic phase mask.
文章类型Article
学科领域Optics
WOS标题词Science & Technology ; Physical Sciences
DOI10.3788/COL201210.031101
收录类别SCI ; EI
语种英语
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000301516500009
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/20275
专题空间光学技术研究室
作者单位Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
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Zhao, Hui,Li, Yingcai. Analytical and experimental demonstration of depth of field extension for incoherent imaging system with a standard sinusoidal phase mask[J]. CHINESE OPTICS LETTERS,2012,10(3):031101.
APA Zhao, Hui,&Li, Yingcai.(2012).Analytical and experimental demonstration of depth of field extension for incoherent imaging system with a standard sinusoidal phase mask.CHINESE OPTICS LETTERS,10(3),031101.
MLA Zhao, Hui,et al."Analytical and experimental demonstration of depth of field extension for incoherent imaging system with a standard sinusoidal phase mask".CHINESE OPTICS LETTERS 10.3(2012):031101.
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