On-axis computer-generated holograms for three-dimensional display

被引：17
|
作者：
Piestun, R [1 ]
Shamir, J [1 ]
Wesskamp, B [1 ]
Bryngdahl, O [1 ]
机构：
[1] UNIV ESSEN GESAMTHSCH, DEPT PHYS, D-45117 ESSEN, GERMANY
来源：
OPTICS LETTERS | 1997年 / 22卷 / 12期
关键词：
D O I：
10.1364/OL.22.000922
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The feasibility of on-axis synthetic near-field amplitude holograms for three-dimensional display applications is demonstrated. An iterative optimization algorithm is used that generates an object-dependent diffuser that utilizes the phase and, to some extent, amplitude freedoms in the reconstruction plane. The discrimination between twin images and undiffracted terms is thus improved. The on-axis approach presents important advantages: a low coherence requirement for the illuminating source, a lower space-bandwidth and higher viewing angle than with the off-axis alternatives. Defocusing and parallax are experimentally attained with an extended white-light source and a lensless setup. (C) Optical Society of America.
引用
收藏
页码：922 / 924
页数：3
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