Method of producing and reproducing holograms

Details Method of producing and reproducing holograms Method of producing and reproducing holograms

1989-09-20

1991-06-25

Arnold, Bruce Y.

350 383, 350 36, G03H 104, G03H 122

Patent

active

050261320

ABSTRACT:
In a method of taking and reproducing photographs in which a hologram in the substrate of the photograph is superposed on the photograph and is produced, e.g., by the Lippmann-Bragg process by an object beam and a reference beam from the same light source, the object beam containing amplitude information corresponding to the photograph in such a manner that a corresponding image is formed at the same time on the substrate which corresponds to the hologram plane, and the aperture stop of image-forming optical system contains the object to be represented by the hologram. An optical phase modulator for producing a predetermined set of phase disturbances is provided between the aperture stop and the hologram plane.

REFERENCES:
patent: 3620590 (1971-11-01), Barker
patent: 3639033 (1972-02-01), Haines
patent: 3647275 (1972-03-01), Ward
patent: 4510575 (1985-04-01), Mueller et al.
Lohmann, IBM Technical Disclosure Bulletin, vol. 8, No. 10, Mar. 1966, p. 1402.

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