Extension ratio of depth of field by wavefront coding method

被引：25
作者：
Pan, Chao [1 ,2 ]
Chen, Jiabi [1 ]
Zhang, Rongfu [1 ]
Zhuang, Songlin [1 ]
机构：
[1] Shanghai Univ Sci & Technol, Shanghai Key Lab Contemporary Opt Syst, Opt Elect Informat Engn Coll, Shanghai 200093, Peoples R China
[2] Huangshi Inst Technol, Sch Elect & Elect Informat Engn, Huangshi 435003, Hubei, Peoples R China
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 17期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1364/OE.16.013364
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An analysis of the depth of field (DOF) of the wavefront coding imaging system with a cubic phase mask is presented. A necessary condition on the base of that MTF of wavefront coding system is defocus-independent is described. Then the extension ratio of the DOF relative to that of traditional optical system is calculated. And the conclusion is also verified by the simulation results. (C) 2008 Optical Society of America.
引用
收藏
页码：13364 / 13371
页数：8
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