Enhanced resolution and throughput of Fresnel incoherent correlation holography (FINCH) using dual diffractive lenses on a spatial light modulator (SLM)

被引：111

作者：

Katz, Barak ^{[1
]}

Rosen, Joseph ^{[1
]}

Kelner, Roy ^{[1
]}

Brooker, Gary ^{[2
,3
]}

机构：

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

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

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

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 08期

关键词：

COMPUTER-GENERATED HOLOGRAMS; MICROSCOPY;

D O I：

10.1364/OE.20.009109

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Fresnel incoherent correlation holography (FINCH) records holograms under incoherent illumination. FINCH was implemented with two focal length diffractive lenses on a spatial light modulator (SLM). Improved image resolution over previous single lens systems and at wider bandwidths was observed. For a given image magnification and light source bandwidth, FINCH with two lenses of close focal lengths yields a better hologram in comparison to a single diffractive lens FINCH. Three techniques of lens multiplexing on the SLM were tested and the best method was randomly and uniformly distributing the two lenses. The improved quality of the hologram results from a reduced optical path difference of the interfering beams and increased efficiency. (C)2012 Optical Society of America

引用

页码：9109 / 9121

页数：13

共 12 条

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