Accession Number : ADD012565
Title : Diffraction Diffusion Screen with Holographically Suppressed Zero-Order Beam.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC
Personal Author(s) : Chern,Mao-Jin ; Smith,Ronald T
Report Date : 09 Sep 1986
Pagination or Media Count : 6
Abstract : A diffusing screen of a transmission hologram located adjacent to a diffraction optics directional diffusing screen suppresses zero order light from the diffusing screen thereby providing a device having the advantages of a directional diffusing screen but which does not have the disadvantages associated with zero order light.
Descriptors : *PATENTS, *DIFFUSERS, *LIGHT TRANSMISSION, *SUPPRESSORS, *HOLOGRAMS, OPTICS, DIFFRACTION, IMAGE PROCESSING, DEFLECTION
Subject Categories : Holography
Distribution Statement : APPROVED FOR PUBLIC RELEASE