A method of operating a laser source comprising is provided. The method reduces speckle contrast in a projected image by creating a plurality of statistically independent speckle patterns. The method comprises generating a plurality of sub-beams that define an optical mode. The method further comprises...http://www.google.com.au/patents/US7970028?utm_source=gb-gplus-sharePatent US7970028 - System and methods for speckle reduction
