Dynamic holographic three-dimensional projection based on liquid crystal spatial light modulator and cylindrical fog screen

被引:12
|
作者
Zeng, Zhenxiang [1 ]
Zheng, Huadong [1 ]
Lu, Xiaoqian [1 ]
Gao, Hongyue [1 ]
Yu, Yingjie [1 ]
机构
[1] Shanghai Univ, Dept Precis Mech Engn, Shanghai 200072, Peoples R China
基金
中国国家自然科学基金;
关键词
Holographic 3D projection; Computer holography; Cylindrical fog screen; 3D imaging; COMPUTER-GENERATED HOLOGRAM; SPECKLE-NOISE; DISPLAY; IMAGES; SYSTEM;
D O I
10.1007/s10043-015-0109-2
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A dynamic holographic three-dimensional (3D) projection based on phase-only liquid crystal spatial light modulator (LC-SLM) and cylindrical fog 3D screen is introduced. Sequential kinoforms of a 3D real existing object are calculated from sixty viewing angles using the slice-based fresnel diffraction algorithm. To suppress speckle noise of reconstructed images, sub-kinoforms for each viewing angle are calculated by adding dynamic pseudorandom initial phase factor into each object plane. The sequential kinoforms are reconstructed by a holographic reconstruction system based on phase-only LC-SLM. A specially designed cylindrical fog 3D screen is used as the scattered carrying medium to project the dynamic 3D images. Through our holographic 3D projection system, a vivid dynamic holographic reconstructed projection image can be observed by some observers at the same time.
引用
收藏
页码:853 / 861
页数:9
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