Abstract: Localized rapid heating process utilizing carbide-bonded graphene-coated silicon molds is a high-efficiency and energy-saving technique for high-volume fabrication of polymer optics. The graphene coating is used as a rapid ...

Abstract: Injection molding of plastic optical lenses prevails over many other techniques in both efficiency and cost; however, polymer shrinkage during cooling, high level of uneven residual stresses, and refractive index variations ...

Abstract: In this research, an innovative 3D micromachining process for functional microstructures on curved surfaces is introduced. An injection molded 3D polymethylmethacrylate (PMMA) microlens array was used as projection optics. ...