Abstract: A projector optic assembly for generating and projecting a high gradient beam. The assembly includes a light pipe defining an optical axis and having a collection unit, a funneling unit, and an emitting surface. The collection unit extends from a first end to a transition plane defining the transition from the collection unit to the funneling unit. The collection unit is configured to collect light from a source and direct it through the transition plane, whereafter the funneling unit extends from the transition plane to the emitting surface. The emitting surface has an area smaller than an area of the transition plane selected to increase the efficiency of the funneling unit.