离轴菲涅尔全息图的数字再现附视频

被引:7
作者
张燕 [1 ]
魏功祥 [2 ]
国承山 [1 ]
机构
[1] 山东师范大学物理与电子科学学院
[2] 山东理工大学物理学院
关键词
菲涅耳全息图; 数字再现; 自动聚焦;
D O I
10.16136/j.joel.2006.11.025
中图分类号
O438.1 [全息光学];
学科分类号
070207 ; 0803 ;
摘要
分析了离轴菲涅尔全息图的数字再现过程中照明光的角度参数对再现像质量的影响,提出了通过分析全息图的空间频谱结构自动提取最佳照明光方向参数的方法,进而应用MATLAB实现了数字离轴菲涅尔全息图的自动再现,其中参考光的角度参数是通过分析全息图的空间频谱结构自动提取的,数字再现像面的精确定位则可以通过自动聚焦算法来实现,并利用数字全息记录和再现过程中得到的物距参数准确标定了图像传感器的像素尺寸,给出了有关理论分析及实验结果。
引用
收藏
页码:1384 / 1387
页数:4
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