Phase correction and resolution improvement of digital holographic image in numerical reconstruction with angular multiplexing

被引：4

作者：

Yan, Xiaobo ^{[1
]}

Zhao, Jianlin ^{[1
]}

Di, Jianglei ^{[1
]}

Jiang, Hongzhen ^{[1
]}

Sun, Weiwei ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Sch Sci, Inst Opt Informat Sci & Technol, Shaanxi Key Lab Opt Informat Technol, Xian 710072, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2009年 / 7卷 / 12期

关键词：

3-DIMENSIONAL MICROSCOPY;

D O I：

10.3788/COL20090712.1072

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A phase correction method is presented to remove the phase slope of the sub-holograms caused by the multi-direction illumination on object in digital holography. To improve the resolution of the reconstructed holographic images, two sub-holograms are recorded by using angular multiplexing and their phase slope parameter is obtained by theoretical analysis. Introducing a phase correction parameter to this phase slope, the ideal complex reconstructed image can be obtained by superposing the reconstructed object wave fields of the two sub-holograms. Experimental results demonstrate that the resolution of the reconstructed image can be effectively enhanced.

引用

页码：1072 / 1075

页数：4

共 16 条

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