Exposure package for holography

Details Exposure package for holography Exposure package for holography

1981-04-20

1983-03-29

Arnold, Bruce Y.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Physical developing

350 385, 430 1, G03H 102

Patent

active

043781411

ABSTRACT:
An exposure package for holography. A transparent substrate carries a photographic emulsion layer on both surfaces thereof. After exposure the emulsion layers are developed while remaining on the transparent substrate. The use of two emulsion layers yields greater fidelity upon readout than a single layer because of the greater recording volume and because of a filtering action to inhibit optical noise resulting from the spaced apart, accurately registered phase relations recorded in and carried by the two emulsions.

REFERENCES:
patent: 3560210 (1971-02-01), Grobin, Jr.
patent: 3810687 (1974-05-01), De Lang et al.

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