1981-01-12
1983-12-20
Arnold, Bruce Y.
350167, G02B 532
Patent
active
044213794
ABSTRACT:
A two step process allows a multiple holographic lens to be recorded with a single exposure. A multiple exposure, non-overlapping holographic fly's eye lens is first prepared with the correct F number spacing. A single collimated beam striking the fly's eye lens results in a multiple refracted beam array which is allowed to interfere with a second reference beam on a photographic plate. The resulting multiple holographic lens will have equal intensity playback beams, no distortion cross product terms, and improved optical efficiency over multiple superimposed exposure lenses.
REFERENCES:
patent: 3405614 (1968-10-01), Lin et al.
Calderone Gaspar J.
Grumet Alex
Wolf Abe
Arnold Bruce Y.
Geib Richard G.
Grumman Aerospace Corporation
Kozma John P.
Propp William
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