Method to enlarge the hologram viewing window using a mirror module

Hoonjong Kang; Naoyuki Ohmura; Takeshi YamaguchiHiroshi YoshikawaSeung-Cheol KimEun-Soo Kim

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Method to enlarge the hologram viewing window using a mirror module

机译：Method to enlarge the hologram viewing window using a mirror module

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摘要

A liquid crystal panel for a video projector is often used for holographic television. However, its pixel size and pixel number are not enough for practical holographic 3-D display. Therefore, a multipanel configuration is generally used to increase the viewing window and displayed image size, and many spatial light modulators should be used in them. We propose a novel method to increase the viewing window of a holographic display system. The proposed method, which is implemented by using a mirror module and 4-f lens set, is to reconfigure the beam shape reflected by a spatial light modulator. The equipment is applied to a holographic display system, which has only a single spatial light modulator; a hologram could be displayed in a wider viewing window by the equipment than that of the conventional method. By the proposed method, the resolution of the reconfigured spatial light modulator has double resolution in the horizontal direction. Inversely, the vertical resolution is decreased. Even if the vertical resolution is decreased, a viewer could get 3-D effect because humans get more 3-D information in the horizontal direction. We have experimented using a liquid crystal on silicon (LcOS), whose resolution is 4096 X 2160 pixels. The reconfigured resolution by the mirror module is 8192 X 1080 pixels. From the experiments, the horizontal viewing window is almost two times wider than that without the mirror module. As a result, the hologram can be observed binocularly.

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来源
《Optical Engineering》 |2009年第7期|075801-1-075801-7|共7页
作者
Hoonjong Kang; Naoyuki Ohmura; Takeshi YamaguchiHiroshi YoshikawaSeung-Cheol KimEun-Soo Kim;
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作者单位

Nihon University, Department of Electronics and Computer Science, 7-24-1 Narashinodai, Funabashi-shi, Chiba 2748501, Japan;

Bilkent University, Department of Electrical and Electronics Engineering, Bilkent Ankara, 06800, Turkey;

Kwangwoon University, Department of Electronic Engineering, 3D Display Research Center, 447-1 Wolgye-Dong, Nowon-Gu, Seoul 139-701, Korea;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
viewing window; Fresnel hologram; holographic display; mirror module; 4-f lens system;

Method to enlarge the hologram viewing window using a mirror module

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