Apparatus and method for recording and displaying a three-dimens

Details Apparatus and method for recording and displaying a three-dimens Apparatus and method for recording and displaying a three-dimens

1984-03-07

1986-07-08

Arnold, Bruce Y.

G03H 106

Patent

active

045989737

ABSTRACT:
An apparatus and method for recording and displaying a three-dimensional image is disclosed. A high resolution, thick film emulsion (50) is positioned in contact with a phase-conjugate mirror (60). The emulsion (50) is exposed to light from a light source (20) which is reflected off of a three-dimensional object (30). Upon exposure to the light from the light source (20) each ray of light (10) will transverse the emulsion (50) and be reflected from the phase-conjugate mirror (60) so as to exactly retrace its path back through the emulsion (50). The incident light waves (10') and their reflected light rays (70') will expose the emulsion (50) in the form of an interference pattern or wave form (80'). Once exposed, the emulsion (50) is developed in the customary manner. The developed emulsion (100) will pass only light rays of a frequency (color) and direction similar to that which the emulsion (50) was originally exposed. Accordingly, a three-dimensional image is displayed to the viewer (130).

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The Wonder of Holography, National Geographic-Mar. 1984, pp. 364-377.

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