An optical homogenizing and combining apparatus, comprises a one piece, hollow, tubular body having a first input leg, a second input leg and an output leg, each leg having a polygonal cross-section and highly reflective interior surfaces in accordance with an embodiment. The body has a shape corresponding to first and second bent tubes, the tubes being truncated along a plane and joined at a junction lying in the plane. The a first end of the first tube defines the first input leg, a first end of the second tube defines the second input leg, and a second end of the first tube and a second end of the second tube define the output leg.