Synthetic phase holograms for auto-stereoscopic image displays using a modified IFTA

被引：24

作者：

Choi, K ^{[1
]}

Kim, H ^{[1
]}

Lee, B ^{[1
]}

机构：

[1] Seoul Natl Univ, Natl Res Lab Holog Technol, Sch Elect Engn, Seoul 151744, South Korea

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 11期

关键词：

D O I：

10.1364/OPEX.12.002454

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Fourier-transformed synthetic phase hologram for an auto-stereoscopic image display system is proposed and implemented. The system uses a phase-only spatial light modulator and a simple projection lens module. A modified iterative Fresnel transform algorithm method, for the reconstruction of gray-level quantized stereo images with fast convergence, high diffraction efficiency and large signal-to-noise ratio is also described. Using this method, it is possible to obtain a high diffraction efficiency(similar to90%), an excellent signal-to-noise ratio(> 9.6dB), and a short calculation time(similar to3min). Experimentally, the proposed auto-stereoscopic display system was able to generate stereoscopic 3D images very well. (C) 2004 Optical Society of America.

引用

页码：2454 / 2462

页数：9

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