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True 3D Plasma Display
Figure 1 A 3D-object displayed using a 3D-image spatial drawing device we have developed.
A true 3D display was demonstrated earlier this month in Japan by the Japanese National Institute of Advanced Industrial Science and Technology (AIST) in collaboration with Burton Inc
History of Research Work
Keio University and Burton Inc. noticed a phenomenon that, when laser beams are strongly focused, air plasma emission can be induced only near the focal point. Thereby, they succeeded in the experimental fabrication of a device displaying 2D-images in the air, which are constructed from dot arrays produced using a technique combining a laser light source and galvanometric mirrors. To further form 3D-images in the air, the scanning of the focal point in the depth direction along the laser optical axis is essential. However, for such a purpose, the quality of the laser and the technique for varying the position of the focal point must be improved, and thus as yet there are no 3D display devices.
I have heard a few times that the government is about 50 years ahead of the private sector.
Originally posted by sardion2000
Have you ever heard of that Plasma display that project psudo-3d images to people viewing the screen from certain angles without the requirement of Shutter-Glasses?