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A scalable diffraction-based scanning 3D colour video display as demonstrated by using tiled gratings and a vertical diffuser

机译:通过使用平铺光栅和垂直漫射器演示的可扩展的基于衍射的扫描3D彩色视频显示器

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摘要

A high quality 3D display requires a high amount of optical information throughput, which needs an appropriate mechanism to distribute information in space uniformly and efficiently. This study proposes a front-viewing system which is capable of managing the required amount of information efficiently from a high bandwidth source and projecting 3D images with a decent size and a large viewing angle at video rate in full colour. It employs variable gratings to support a high bandwidth distribution. This concept is scalable and the system can be made compact in size. A horizontal parallax only (HPO) proof-of-concept system is demonstrated by projecting holographic images from a digital micro mirror device (DMD) through rotational tiled gratings before they are realised on a vertical diffuser for front-viewing.
机译:高质量的3D显示器需要大量的光学信息吞吐量,这需要适当的机制均匀和有效地在空间中分配信息。该研究提出了一种前视系统,其能够从高带宽源和以体积大小投影3D图像,并以全色的视频速率投影3D图像的所需量。它采用可变光栅来支持高带宽分布。该概念可扩展,系统的尺寸可以压缩。仅通过旋转平铺的光栅将来自数字微镜装置(DMD)的全息图像投影在垂直扩散器上,通过旋转平铺的光栅投射到垂直扩散器之前,通过旋转平铺的光栅投影水平视差验证系统。

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