Sunday, April 01, 2012

New technique lights up the creation of holograms

The mechanism of full-color holography The major difference between the researchers’ technique and ordinary holography is the use of a prism to adjust the light beam’s angle of incidence in combination with a thin silver film to produce the surface plasmons. When the angle of incidence is controlled appropriately, the silver film is excited to produce surface plasmons, which in turn cause the white light to reach the hologram in the three primary colors of red, green and blue, producing a floating full-color stereoscopic image. Although only still images can be obtained at present, Kawata is planning to improve the current system to enable movie imaging based on the same principle in the future.

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