Fig. 5. (Color online) Final epoxy lens arrays obtained from the first lens prototypes: Lens1 and Lens2 used prototype a with 0.6 mm and 1.0 mm thick plastic sheets, respectively; Lens3 and Lens4 used prototype b with 0.6 mm and 1.0 mm thick plastic sheets, respectively; Lens5 and Lens6 used prototypes c and d, respectively, with 1.0 mm thick plastic sheet.
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