Faithful reconstruction of digital holograms captured by FINCH using a Hamming window function in the Fresnel propagation

被引：21

作者：

Siegel, Nisan ^{[1
,2
]}

Rosen, Joseph ^{[1
,2
,3
]}

Brooker, Gary ^{[1
,2
]}

机构：

[1] Johns Hopkins Univ, Dept Biomed Engn, Rockville, MD 20850 USA

[2] Johns Hopkins Univ, Microscopy Ctr, Rockville, MD 20850 USA

[3] Ben Gurion Univ Negev, Dept Elect & Comp Engn, IL-84105 Beer Sheva, Israel

来源：

OPTICS LETTERS | 2013年 / 38卷 / 19期

基金：

以色列科学基金会;

关键词：

INCOHERENT CORRELATION HOLOGRAPHY; FLUORESCENCE MICROSCOPY; RESOLUTION; PLANE;

D O I：

10.1364/OL.38.003922

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Recent advances in Fresnel incoherent correlation holography (FINCH) increase the signal-to-noise ratio in hologram recording by interference of images from two diffractive lenses with focal lengths close to the image plane. Holograms requiring short reconstruction distances are created that reconstruct poorly with existing Fresnel propagation methods. Here we show a dramatic improvement in reconstructed fluorescent images when a 2D Hamming window function substituted for the disk window typically used to bound the impulse response in the Fresnel propagation. Greatly improved image contrast and quality are shown for simulated and experimentally determined FINCH holograms using a 2D Hamming window without significant loss in lateral or axial resolution. (C) 2013 Optical Society of America

引用

页码：3922 / 3925

页数：4

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