Controlling image size as a function of distance and wavelength in Fresnel-transform reconstruction of digital holograms

被引：206
作者：
Ferraro, P
De Nicola, S
Coppola, G
Finizio, A
Alfieri, D
Pierattini, G
机构：
[1] Ist Nazl Ottica Applicata, I-80078 Pozzuoli, NA, Italy
[2] CNR, Ist Cibernet E Caianiello, I-80078 Pozzuoli, NA, Italy
[3] CNR, Ist Microelettron & Microsistemi, I-80131 Naples, Italy
来源：
OPTICS LETTERS | 2004年 / 29卷 / 08期
关键词：
Charge coupled devices - Convolution - Holograms - Holographic interferometry - Image reconstruction - Mathematical transformations;
D O I：
10.1364/OL.29.000854
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method for controlling the size of amplitude and phase images reconstructed from digital holograms by the Fresnel-transform method is proposed and demonstrated. The method can provide a constant reconstruction pixel width in the reconstructed image plane, independent of the recording and reconstruction distance. The proposed method makes it possible to maintain the size of an object for a sequence of digital holograms recorded at different distances and, therefore, to subtract phase maps for an object recorded at different distances. Furthermore, the method solves the problem of superimposition in multiwavelength digital holography for color display and holographic interferometry applications. (C) 2004 Optical Society of America.
引用
收藏
页码：854 / 856
页数：3
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