Accession Number : ADD006662

Title :   Laser Speckle Eliminator.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Dillard ,John H ; Mohon,Windell N

Report Date : 04 Oct 1979

Pagination or Media Count : 14

Abstract : The subject invention may be utilized to eliminate laser speckle from visual display systems, including the 360 degree Non-Programmed Visual Display mentioned above, in that is comprises a relatively simple apparatus for the elimination of laser speckle from a laser light beam. The subject invention includes a multi-fiber optical bundle having a plurality of optical fibers for transmitting a collimated beam of coherent light provided by a laser, oscillating means for deflecting the multi-fiber optical bundle at a predetermined frequency rate so as to eliminate laser speckle from the collimated beam of coherent light, and a means for projecting the collimated beam of coherent light onto a screen. (Autor)

Descriptors :   *Patent applications, *Laser beams, *Specular reflection, Noise reduction, Coherence, Data transmission systems, Display systems, Visual aids, Fiber optics transmission lines

Subject Categories : Lasers and Masers

Distribution Statement : APPROVED FOR PUBLIC RELEASE