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On-axis computer-generated holograms for three-dimensional display
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DOI：10.1364/OL.22.000922.png)
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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.
Keyword:
IMAGE HOLOGRAMS
COMPUTATION
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3.3
论文数:
4.0W
被引数:
7.6W
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