Performance of multilevel diffractive lenses as a function of f-number

被引：23

作者：

Prather, DW ^{[1
]}

Pustai, D ^{[1
]}

Shi, SY ^{[1
]}

机构：

[1] Univ Delaware, Dept Elect & Comp Engn, Newark, DE 19716 USA

来源：

APPLIED OPTICS | 2001年 / 40卷 / 02期

关键词：

D O I：

10.1364/AO.40.000207

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the focusing efficiency of multilevel diffractive lenses as a function of f-number. Both scalar and rigorous analyses are performed on two- and three-dimensional lenses. We show that shadowing in lenses with small f-numbers is a critical factor that limits their performance. We show further that scalar analysis does not accurately predict the effects of shadowing for lenses with long f-numbers and large numbers of phase levels. (C) 2001 Optical Society of America OCIS codes: 050.0050.

引用

页码：207 / 210

页数：4

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