Schulz, U.U.SchulzSchallenberg, U.B.U.B.SchallenbergKaiser, N.N.Kaiser2022-03-032022-03-032002https://publica.fraunhofer.de/handle/publica/20273110.1364/AO.41.003107The coating of plastics for optical applications is intended to improve the mechanical durability of soft polymers and to serve an antireflection function. Usually a classic four-layer antireflection system is added on top of a single-layer hard coating. With needle optimization, an alternative coating design has been developed. The design is characterized by thin high-refractive-index layers that are almost evenly distributed over the whole stack. Plasma ion-assisted deposition was used to deposit coatings upon poly(methyl methacrylate), polycarbonate, and cyclo-olefin copolymer. Uniform antireflection and high scratch resistance have been achieved.enantireflection coating designplastic opticsoptical applicationmechanical durabilitysoft polymerantireflection functionclassic four-layer antireflection systemsingle-layer hard coatingneedle optimizationcoating designhigh-refractive-index layerPlasma-Ion Assisted Depositionpolymethyl methacrylatepolycarbonatecyclo-olefin copolymeruniform antireflectionhigh scratch resistance620535journal article