Analytical expression for phase distribution of a hexagonal array at fractional Talbot planes

被引:26
作者
Guo, Cheng-Shan [1 ]
Yin, Xia [1 ]
Zhu, Lin-Wei [1 ]
Hong, Zheng-Ping [1 ]
机构
[1] Shandong Normal Univ, Dept Phys, Shandong 250014, Peoples R China
关键词
D O I
10.1364/OL.32.002079
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We describe a reciprocal-lattice vector method for analysis of the diffractive self-imaging (or Talbot effect) of a two-dimensional periodic object. Using this method we analyze the fractional Talbot effect of a hexagonal array and deduce a simple analytical expression for calculation of the complex amplitude distribution at any fractional Talbot plane. Based on this new formula, we design a hexagonal array illuminator (HTAI) with a high fractional parameter. A computer simulation for demonstration of the HTAT is also given. (C) 2007 Optical Society of America.
引用
收藏
页码:2079 / 2081
页数:3
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