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. 2017 Jul 25;4(10):1700187. doi: 10.1002/advs.201700187

Figure 17.

Figure 17

a) SEM image of single paraboloid coated with silver. Reproduced with permission.44 Copyright 2011, AIP Publishing LLC. b) SEM image of micro‐parabolic reflector array fabricated via 2PP in metal‐coated resist. Reproduced with permission.43 Copyright 2013, Nature Publishing Group. c) Schematic illustration of a parabolic concentrator array for external light trapping. Reproduced with permission.200 Copyright 2015, Elsevier. Optical images of a compound parabolic concentrator (CPC) fabricated via FDM — d) before and after chemical smoothing, e) after silver coating and (f) external light trap macrostrucutres. Reproduced with permission.201 g) FDM printed 2 × 2 square array of concentrators, used as an external light trap. Reproduced with permission.200 Copyright 2015, Elsevier.