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Abe Wolf Deceased12918 Castle Rock Dr, Sun City, AZ 85375
Abe Wolf Phones & Addresses
12918 Castle Rock Dr, Sun City West, AZ 85375 623-5842250
Sun City, AZ
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Us Patents
Multiple Holographic Lens
US Patent:
4421379, Dec 20, 1983
Filed:
Jan 12, 1981
Appl. No.:
6/224279
Inventors:
Alex Grumet - Whitestone NY
Abe Wolf - Sun City West AZ
Gaspar J. Calderone - Lake Grove NY
Abe Wolf - Sun City West AZ
Gaspar J. Calderone - Lake Grove NY
Assignee:
Grumman Aerospace Corporation - Bethpage NY
International Classification:
G02B 532
US Classification:
350 372
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.
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