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空间光调制器曲面拼接实现全息三维显示视角拓展

曾震湘 郑华东 卢小仟 高洪跃 于瀛洁

曾震湘, 郑华东, 卢小仟, 高洪跃, 于瀛洁. 空间光调制器曲面拼接实现全息三维显示视角拓展[J]. 中国光学(中英文), 2015, 8(2): 227-233. doi: 10.3788/CO.20150802.0227
引用本文: 曾震湘, 郑华东, 卢小仟, 高洪跃, 于瀛洁. 空间光调制器曲面拼接实现全息三维显示视角拓展[J]. 中国光学(中英文), 2015, 8(2): 227-233. doi: 10.3788/CO.20150802.0227
ZENG Zhen-xiang, ZHENG Hua-dong, LU Xiao-qian, GAO Hong-yue, YU Ying-jie. Viewing angle enlargement in holographic 3D display by spatial light modulators tiling in curved configuration[J]. Chinese Optics, 2015, 8(2): 227-233. doi: 10.3788/CO.20150802.0227
Citation: ZENG Zhen-xiang, ZHENG Hua-dong, LU Xiao-qian, GAO Hong-yue, YU Ying-jie. Viewing angle enlargement in holographic 3D display by spatial light modulators tiling in curved configuration[J]. Chinese Optics, 2015, 8(2): 227-233. doi: 10.3788/CO.20150802.0227

空间光调制器曲面拼接实现全息三维显示视角拓展

doi: 10.3788/CO.20150802.0227
基金项目: 国家自然科学基金资助项目(No.61235002,No.61101176,No.11474194),上海市高等院校青年教师培养资助项目(No.ZZSD12014),上海市教委创新团队资助项目
详细信息
    通讯作者:

    曾震湘(1988—),男,湖南益阳人,博士研究生,主要从事全息三维显示方面的研究。E-mail:zengzhenxiang1019@126.com

  • 中图分类号: O438.1

Viewing angle enlargement in holographic 3D display by spatial light modulators tiling in curved configuration

  • 摘要: 本文对多空间光调制器不同拼接方式拓展全息三维再现像视角的方法进行了分析,基于多片空间光调制器拼接拓展视角的思想,利用平面反射镜、分光镜和两片透射式空间光调制器设计了曲面拼接系统,进行了全息三维再现像的视角拓展实验研究。用该系统对四棱锥物体的层析菲涅尔衍射全息图进行再现,结果表明,总视角由基于单片空间光调制器的1.7°增大到3.2°,即拓展到约1.9倍,分光镜能够消除两片空间光调制器间的间隙,实现无缝拼接。该方法同样适用于更多空间光调制器的曲面拼接中,可以有效地拓展全息再现像的视场角大小。

     

  • 图 1  单个SLM再现时的视角大小

    Figure 1.  Viewing angle of single SLM

    图 2  多SLMs的拼接方式

    Figure 2.  Tiling of multiple SLMs

    图 3  2片SLMs曲面拼接光路原理图

    Figure 3.  Schematic of tiling 2 SLMs in curved configuration

    图 4  视角测量实验

    Figure 4.  Viewing angle measurement

    图 5  利用2片透射式SLM曲面拼接的全息三维显示系统

    Figure 5.  3D Holographic display system with 2 transmissive SLMs tiling in curved configuration

    图 6  相机在不同视点拍摄到的四棱锥再现像

    Figure 6.  Reconstructed pyramids captured from different viewpoints by camera

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出版历程
  • 收稿日期:  2014-12-11
  • 录用日期:  2015-02-13
  • 刊出日期:  2015-04-25

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