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
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE