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首页> 外文会议>SPIE conference on Three-dimensional imaging, visualization, and display and Display technologies and applications for defense, security, and avionics >Quantum dot dispersions in aerogels: a new material for true volumetric color displays
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Quantum dot dispersions in aerogels: a new material for true volumetric color displays

机译：气凝胶中的量子点分散体：真正的体积彩色显示器的新材料

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摘要

The true volumetric displays project a 3D image within a cube viewable from most of its sides thus providing the ultimate physiological depth cues for countless applications. The ultra-light and highly transparent aerogels may provide the best optical medium for these displays as they can be easily fabricated in the form of a large-volume, low-scattering bulk material. On the other hand, the semiconductor nanocrystals (quantum dots, QDs) are a remarkable fluorescent material with optical properties superior to those of conventional materials. QDs dispersed in aerogels hold a promise to become the most efficient display material for volumetric 3D displays. The true volumetric displays described in the literature are built around the concept of two beams exciting the fluorescent material in their intersection. However, the optical properties of QDs are quite different from these of the fluorescent materials proposed for intersecting-beams displays and it may not be feasible to build such displays using QDs. Instead, we are proposing the use of a single focused infrared laser beam to excite a nanostructured material for volumetric color displays consisting of QDs dispersed in a transparent silica aerogel matrix. Presented are the theory and modeling results proving the feasibility of this approach.
机译：真正的体积显示在从大多数侧面观看的多维数据集中投射3D图像，从而为无数应用提供最终的生理深度线索。超轻和高透明的气凝胶可以为这些显示器提供最佳光学介质，因为它们可以以大容量低散射的散装材料的形式容易地制造。另一方面，半导体纳米晶体（量子点，QDS）是具有优于常规材料的光学性质的显着荧光材料。 QDS在Aerogels中分散在Aerogels中，承诺成为体积3D显示器最有效的显示材料。文献中描述的真实体积显示器围绕其交叉口唤醒荧光材料的两个光束的概念构建。然而，QD的光学性质与用于交叉梁显示器的这些荧光材料非常不同，并且使用QDS构建这种显示可能是不可行的。相反，我们建议使用单一聚焦红外激光束来激发用于体积彩色显示器的纳米结构材料，该模彩显示器组成的QDS分散在透明二氧化硅气凝胶基质中。提出的理论和建模结果证明了这种方法的可行性。

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