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Contrast of diffuse-object holograms in PVA-acrylamide photopolymers: real-time measurements

机译:PVA-丙烯酰胺光聚合物中漫反射物全息图的对比:实时测量

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New holographic recording materials based on photopolymerizable systems have contributed significantly to the recent growth of holographic applications. In this paper we experimentally analyze diffuse-object holograms recorded in a photopolymerizable material. The recording and reconstruction of holograms are in real time without a chemical process and then it is possible to know the performance of these materials when diffuse-object holograms are made and, at the same time, to measure the contrast of them. The holographic images were captured in real time every 10 s and diffraction efficiency and contrast were calculated. In these experiments the influence of the intensity and the beam ratio on these holographic characteristics was analyzed. Our first results show that it is possible to obtain diffuse- object holograms with a diffraction efficiency of 8% and a contrast of 0.93.
机译:基于可光聚合系统的新全息记录材料对全息应用的最近增长显着贡献。在本文中,我们通过实验分析以可光聚合材料记录的漫反射物体图。全息图的记录和重建在没有化学过程的情况下实时,然后在制造漫反射物体全息图时可以了解这些材料的性能,同时测量它们的对比度。每次10 s和衍射效率和对比度地捕获全息图像并进行对比度。在这些实验中,分析了强度和光束比对这些全息特性的影响。我们的第一个结果表明,可以获得衍射效率为8%的漫射物体全息图和0.93的漫射效率。

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