Diffractive Alvarez lens

被引：52
|
作者：
Barton, IM [1 ]
Dixit, SN [1 ]
Summers, LJ [1 ]
Thompson, CA [1 ]
Avicola, K [1 ]
Wilhelmsen, J [1 ]
机构：
[1] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
来源：
OPTICS LETTERS | 2000年 / 25卷 / 01期
关键词：
D O I：
10.1364/OL.25.000001
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A diffractive Alvarez lens is demonstrated that consists of two separate phase plates, each having complementary 16-level surface-relief profiles that contain cubic phase delays. Translation of these two components in the plane of the phase plates is shown to produce a variable astigmatic focus. Both spherical and cylindrical phase profiles are demonstrated with good accuracy, and the discrete surface-relief features ale shown to cause less than lambda/10 wave-front aberration in the transmitted wave front over a 40 mm x 80 mm region. (C) 2000 Optical Society of America.
引用
收藏
页码：1 / 3
页数：3
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