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

页码：922 / 924

页数：3

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