Fig. 1. (Color online) Process flow involved in producing the lens array (a) producing the first lens prototype using a 3D printer (b) coating the prototype by vacuum forming (c) forming a negative PDMS mold (d) separating the PDMS mold from the lens prototype (e) pouring thermal epoxy into the PDMS mold (f) separating the epoxy lens from the PDMS mold.
© NPSM