The first array of lenses and {HEAD ~ second array} of lenses together form {TAIL ~ a flys eye integrator}, and the first array of lenses and second array of lenses comprise lenses which have a diameter selected from the range of 5 μm 50 μm, and a radius of curvature selected from the range of 25 μm 2500 μm 
The first array of lenses and { HEAD ~ second array } of lenses together form { TAIL ~ a flys eye integrator } , and the first array of lenses and second array of lenses comprise lenses which have a diameter selected from the range of 5 μm 50 μm , and a radius of curvature selected from the range of 25 μm 2500 μm
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH