%0 Journal Article %T Design method of a binary optical element for collimation of high power LD beams with astigmatism %A Cao, Changqing %J Proceedings of SPIE %V 6279 %N 1 %P 627979-627979-6 %@ 0277-786X %D 2007-01-26 %I SPIE %~ DeepDyve