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Coating-relevant properties of high-index optical polymers for automotive applications

: Schulz, U.; Gratzke, N.; Rickelt, F.; Hahmann, C.; Seifert, T.; Gärtner, A.


Applied optics 60 (2021), Nr.20, S.E34-E40
ISSN: 0003-6935
ISSN: 1539-4522
ISSN: 1559-128X
ISSN: 2155-3165
Fraunhofer IOF ()

High-transparent polymers exhibiting a refractive index beyond 1.6 enhance the available range of optical plastics. The aim of this study is to evaluate optical polyesters (OKP-1 and OKP-4) and special new polycarbonates (PCs) (EP-6000 and EP-8000) in comparison with the widely used poly-bisphenol-A-based PC. The work is focused on optical properties as well as other properties that are important for the deposition of optical coatings. Plasma ion-assisted deposition is used for the deposition of an abrasion resistant antireflective coating (AR-hard).