An apparatus and method is disclosed for reducing speckle of a laser beam, the apparatus comprising at least one beam-collimating element having an input and an output, at least one birefringent optical coupler having a first and a second inputs, and a first and a second outputs, at least one optical...http://www.google.ca/patents/US20050008290?utm_source=gb-gplus-sharePatent US20050008290 - Static method for laser speckle reduction and apparatus for reducing speckle