Magnification of optical image in holography projection using lensless Fresnel holography

被引：5

作者：

Ma, Jianshe ^{[1
]}

Su, Ping ^{[1
]}

Xia, Feipeng ^{[1
]}

Ren, Zhenbo ^{[1
]}

Liu, Tong ^{[1
]}

机构：

[1] Tsinghua Univ, Grad Sch Shenzhen, Shenzhen 518055, Guangdong, Peoples R China

来源：

OPTICAL ENGINEERING | 2012年 / 51卷 / 08期

基金：

中国博士后科学基金;

关键词：

holographic projection; Fresnel holography; lensless magnification of three dimensional images; COMPUTER-GENERATED HOLOGRAMS; ADJUSTABLE MAGNIFICATION; RECONSTRUCTION; PATTERNS;

D O I：

10.1117/1.OE.51.8.085801

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A digital micro-mirror device (DMD) acting as a real-time hologram is an emerging technology in dynamic holographic projection. This paper presents a lensless image magnification method in DMD holography by using a Fresnel hologram. By analyzing the diffraction order distribution in the image plane of a hologram produced by DMD, we find the factors that limit the size of the magnified image. We perform a lensless magnification experiment that shows good magnified images in accordance with the numerical results. Finally, we discuss methods to eliminate longitudinal error and chromatic aberration in three-dimensional (3-D) and color projection, respectively, and present a 3-D image reconstruction result that shows lensless magnification of a 3-D image without distortion. It is believed that this technique can be used in future real-time holographic projection based on digital light processing technology. (C) 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.OE.51.8.085801]

引用

页数：7

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