Image recording apparatus and method

Details Image recording apparatus and method Image recording apparatus and method

1998-06-09

2000-02-08

Spyrou, Cassandra

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

359 22, 359 25, G03H 126, G03H 130

Patent

active

060233567

ABSTRACT:
To produce a rainbow-type holographic stereogram, an object beam is focused in the vertical direction with a cylindrical Fresnel lens. On the other hand, according to the edge-lit scheme, a reference beam is applied to a hologram recording medium via a light introduction block. A color holographic stereogram can be produced by utilizing a phenomenon that the color of a reproduction image is varied by moving the cylindrical Fresnel lens by a proper distance in the vertical direction.

REFERENCES:
patent: 4421380 (1983-12-01), McGrew
patent: 4643515 (1987-02-01), Upatnieks

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