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Concept
Holographic display
Summary
A holographic display is a type of 3D display that utilizes light diffraction to display a three-dimensional image to the viewer. Holographic displays are distinguished from other forms of 3D displays in that they do not require the viewer to wear any special glasses or use external equipment to be able to see the image, and do not cause the vergence-accommodation conflict.
Some commercially available 3D displays are advertised as being holographic, but are actually multiscopic.
1947 - Hungarian scientist Dennis Gabor first came up with the concept of a hologram while trying to improve the resolution of electron microscopes. He derived the name for holography, with "holos" being the Greek word for "whole," and "gramma" which is the term for "message."
1960 - The world's first laser was developed by Russian scientists Nikolay Basov and Alexander Prokhorov, and American scientist Charles H. Townes. This was a major milestone for holography because laser technology serves as the basis of some modern day holographic displays.
1962 - Yuri Denisyuk invented the white-light reflection hologram which was the first hologram that could be viewed under the light given off by an ordinary incandescent light bulb.
1968 - White-light transmission holography was invented by Stephen Benton. This type of holography was unique because it was able to reproduce the entire spectrum of colors by separating the seven colors that create white light.
1972 - Lloyd Cross produced the first traditional hologram by using white-light transmission holography to recreate a moving 3-dimensional image.
1989 - MIT spatial imaging group pioneered electroholography, which uses magnetic waves and acoustic-optical sensors to portray moving pictures onto a display.
2005 - The University of Texas developed the laser plasma display, which is considered the first real 3D holographic display.
2011 - DARPA announces the Urban Photonic Sand Table (UPST) project, a dynamic digital holographic tabletop display.
2012 - The first holographic display is implemented in a car's interactive navigation display system.
Official source
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