Image artifacts in hybrid imaging systems with a cubic phase mask

被引：51
|
作者：
Demenikov, Mads [1 ]
Harvey, Andrew R. [1 ]
机构：
[1] Heriot Watt Univ, Imaging Concepts Grp, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 08期
关键词：
PUPIL-PHASE; EXTENDED DEPTH; FIELD; ABERRATIONS;
D O I：
10.1364/OE.18.008207
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present the first analytical analysis of image artifacts in defocused hybrid imaging systems that employ a cubic phase-modulation function. We show that defocus artifacts have the form of image replications and are caused by a net phase modulation of the optical transfer function. Both numerical simulations and experimental images are presented that exhibit replication artifacts that are compatible with the analytical expressions. (c) 2010 Optical Society of America
引用
收藏
页码：8207 / 8212
页数：6
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