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首页> 外文期刊>Journal of Optics >FABRICATION OF A WIDE VIEWING ANGLE ORTHOSCOPIC REAL IMAGE PROJECTION HOLOGRAM
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FABRICATION OF A WIDE VIEWING ANGLE ORTHOSCOPIC REAL IMAGE PROJECTION HOLOGRAM

机译:宽视角正视真实图像投影全息图的制作

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Projection holograms have attracted attentions of scientists and viewers since many decades. These holograms reconstruct 3-D image in space when illuminated in laser light and the image is so real that the observer often tries to touch. These holograms have potential applications in education, scientific and commercial purposes such as advertisements etc. In these type of holograms it is desirable that reconstructed image has wide viewing angle comparable to the laser transmission hologram. In this paper, we present a novel technique for recording of hologram reconstructing 3-D image floating in space between the observer and hologram when illuminated with laser light (λ=632.8 nm). Methods for increasing brightness and the viewing angle of reconstructed image are discussed. The experimental results are also presented.
机译:几十年来,投影全息图已经引起了科学家和观察者的关注。这些全息图在激光照射下会在空间中重建3D图像,并且该图像是如此真实,以至于观察者经常尝试触摸。这些全息图在教育,科学和商业目的(例如广告等)中具有潜在的应用。在这些类型的全息图中,期望重建的图像具有与激光透射全息图相当的宽视角。在本文中,我们提出了一种用于记录全息图的新技术,该技术可以重建用激光(λ= 632.8 nm)照射在观察者和全息图之间的空间中漂浮的3D图像。讨论了增加亮度和重建图像的视角的方法。还给出了实验结果。

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