Method for producing three-dimensional real image using radiogra

Details Method for producing three-dimensional real image using radiogra Method for producing three-dimensional real image using radiogra

1974-05-30

1976-02-24

Lawrence, James W.

Radiant energy

With infrared or thermal pattern recording

Thermal copying of documents

350 35, G02B 2700

Patent

active

039406199

ABSTRACT:
A sequence of separate radiographs are made by indexing a radiation source along a known path relative to the object under study. Thus, each radiograph contains information from a different perspective. A holographically-recorded image is then made from each radiographic perspective by exact re-tracing of the rays through each radiographic perspective such that the re-tracing duplicates the geometry under which it was originally prepared. The holographically-stored images are simultaneously illuminated with the conjugate of the reference beam used in the original recordings. The result is the generation of a three-dimensional real image of the object such that a light-sensitive device can be moved to view the real image along any desired surface with the optical information in all other surfaces greatly suppressed.

REFERENCES:
patent: 3675012 (1972-07-01), Derderian et al.
patent: 3746872 (1973-01-01), Ashe et al.
patent: 3788726 (1974-01-01), Groh et al.
patent: 3843225 (1974-10-01), Kock et al.
"Holographic Stereogram from Sequential Component Photographs", McCrickerd et al., App. Physics Letters, Vol. 12, No. 1, 1-1-68, pp. 10 to 12.

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