光学学报, 2014, 34 (9): 0910004, 网络出版: 2014-08-15   

基于光孔阵列的集成成像三维显示方法

An Integral Imaging Three Dimensional Display Method Based on Aperture Stop Array
作者单位
四川大学电子信息学院, 四川 成都 610065
摘要
集成成像较小的再现深度一直都限制着集成成像的发展和应用,针对此问题提出了一种增大集成成像再现深度的方法。该方法在微透镜阵列与显示屏之间附加一个光孔阵列,利用光孔阵列限制显示屏上像素发出光线的发散角,从而有效地增大集成成像的再现深度。对集成成像的再现原理进行了深入分析,讨论了光孔直径与集成成像再现深度的关系。采用ASAP光学模拟软件对所提方法和传统方法进行了模拟对比实验,实验结果显示当光孔直径占透镜元节距的64%时,所提方法的再现深度是传统集成成像再现深度的1.5倍,实验结果验证了理论推导的正确性。
Abstract
The performance of integral imaging three-dimensional (3D) display is limited by the limited depth-of-field. A method for enhancing the depth-of-field of integral imaging is proposed. This method adds an aperture stop array in the conventional integral imaging system, and the aperture stop array is used to limit the divergence angle of each pixel in the display panel. The principle of integral imaging is analyzed and the relationship between the size of aperture stop and the depth-of-field is studied in detail. Both the proposed method and conventional method are simulated by optical design software ASAP, and the simulation results show that the depth-of-field of the proposed method is 1.5 times of the conventional method when the aperture stop diameter accounts for 64% of the pitch micro-less. The experimental results verify the correctness of the theoretical analysis.
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刘尧, 邓欢, 罗成高, 王琼华. 基于光孔阵列的集成成像三维显示方法[J]. 光学学报, 2014, 34(9): 0910004. Liu Yao, Deng Huan, Luo Chenggao, Wang Qionghua. An Integral Imaging Three Dimensional Display Method Based on Aperture Stop Array[J]. Acta Optica Sinica, 2014, 34(9): 0910004.

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