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Method for producing a partially coherent beam with fast pattern update rates

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A method and an apparatus for producing a partially coherent optical beam with a fast update rate are based on scanning a focused input beam across the input end of a multimode optical waveguide. The update rate of the partially coherent optical beam produced at the output of the multimode optical waveguide is increased with respect of the input beam scanning rate by a factor approximately equal to the ratio of the core size of the multimode optical waveguide to the focal spot diameter of the input optical beam. The apparatus may include an angular optical beam deflector based on an electrooptic material such as potassium tantalate niobate (KTN) crystal.
Efimov, Anatoly V. (Los Alamos, NM)
13/ 241,021
September 22, 2011
STATEMENT REGARDING FEDERAL RIGHTS [0001] This invention was made with government support under Contract No. DE-AC52-06NA25396 awarded by the U.S. Department of Energy. The government has certain rights in the invention.