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
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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