ZONE PLATE FOR ARBITRARILY HIGH FOCAL DEPTH

被引：55
|
作者：
OJEDACASTANEDA, J
BERRIELVALDOS, LR
机构：
[1] National Institute of Astrophysics, Optics and Electronics, Pue, 72000, Apdo.Postal 216, Puebla
来源：
APPLIED OPTICS | 1990年 / 29卷 / 07期
关键词：
D O I：
10.1364/AO.29.000994
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show that a zone plate with a prespecified number of foci, which are separated axially by Rayleigh’s limit of resolution, can create an arbitrarily high focal depth when used as an apodizer over an otherwise clear aperture. We discuss the resolution and light gathering power of this method. © 1990 Optical Society of America.
引用
收藏
页码：994 / 997
页数：4
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