Image focusing properties in reconstructing digital holograms

被引：0

作者：

Alfieri, D ^{[1
]}

Coppola, G ^{[1
]}

De Nicola, S ^{[1
]}

Ferraro, P ^{[1
]}

Finizio, A ^{[1
]}

Grilli, S ^{[1
]}

Pierattini, G ^{[1
]}

Striano, V ^{[1
]}

机构：

[1] Ist Nazl Ott Applicata, I-80078 Pozzuoli, Na, Italy

来源：

Optical Measurement Systems for Industrial Inspection IV, Pts 1 and 2 | 2005年 / 5856卷

关键词：

D O I：

10.1117/12.612935

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A two stage method for allowing direct perfect superimposition and comparison of Fresnel-transform reconstructions of digital holograms recorded at different wavelengths is proposed and demonstrated. The method allows to adjust the size of the reconstruction pixel by varying the reconstruction distance of the first stage. Demonstration is given by superimposing in focus numerical reconstructions of holograms recorded at different wavelengths. The method can be potentially very useful for real-time monitoring in biological processes.

引用

页码：64 / 70

页数：7

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