30 March 1995 Three-dimensional optical display with movable intervening medium
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Here is considered the 3D optical display with movable intervening medium (MIM) for the 3D dynamic stages representation and the experimental results of its basic elements creation are provided. MIM implements two important functions in the proposed display architecture: it forms the secondary light source (SLS)--the element of 3D stage resolution and fulfills scanning by depth (provides forming of stage's planes). The dependence of the SLS parameters from the primary source, MIM structure and shape of its surface have been investigated theoretically and experimentally as well as their connection with 3D stage parameters and 3D display architecture at all. With the aim of display parameters optimization the researches have been carried out for the diffusers with surface- and volumetric-scattering with different statistical parameters. It has been shown that the usage of volumetric diffusers permits to expand the directness diagram to 160 degrees by means of SLS brightness decreasing, to make it be independent from the angle of primary beam falling, to increase the resolution and improve conditions of stage perception by means of speckle decreasing. There have been made calculations of 3D stages formed by MIM non-linear distortions and chosen the optimal shape of MIM surface.
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Vladimir I. Girnyk, Vladimir I. Girnyk, Vitalij N. Kurashov, Vitalij N. Kurashov, Yaroslav I. Mihyeyev, Yaroslav I. Mihyeyev, } "Three-dimensional optical display with movable intervening medium", Proc. SPIE 2409, Stereoscopic Displays and Virtual Reality Systems II, (30 March 1995); doi: 10.1117/12.205847; https://doi.org/10.1117/12.205847

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