Methods and apparatus for making holograms

Details Methods and apparatus for making holograms Methods and apparatus for making holograms

1994-10-17

1997-01-07

Henry, Jon W.

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

359 22, G03H 126

Patent

active

055923135

ABSTRACT:
A method and apparatus for making holograms includes a technique for exposing a film substrate or other light-sensitive medium to consecutive two-dimensional images, together representative of a physical three-dimensional system, to generate a three-dimensional hologram of the physical system. Low beam ratios are employed to superimpose multiple (20-300) images on the substrate. Each image is relatively weak, but the combination of the series of weak images ultimately appears as a single clearly defined hologram.

REFERENCES:
patent: 3890041 (1975-06-01), Henkler
patent: 4749257 (1988-06-01), Klausz
patent: 4983004 (1991-01-01), Takeya et al.
patent: 5144461 (1992-09-01), Horan
patent: 5260815 (1993-11-01), Takizawa
patent: 5291317 (1994-03-01), Newswanger
IBM Technical Disclosure Bulletin, vol. 8, No. 10, Nassimbene, et al., "Reducing Noise in Holograms". Mar. 1966.
Bartonni et al, "Multiple Storage of Holograms in an Organic Medium," Applied Physics Letters, vol. 28, No. 9, 1 May 1976, pp. 506 to 507.

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