OPTICAL MULTILAYER FILMS BASED ON AN AMORPHOUS FLUOROPOLYMER

Multilayered coatings were made by physical vapor deposition (PVD) of a perfluorinated amorphous polymer, Teflon AF2400, and with other opti cal materials. A high reflector for 1064 nm light was made with ZnS an d AF2400. An all-organic 1064 nm reflector was made from AF2400 and po lyethylene. Oxide (HfO2 and SiO2) compatibility with AF2400 was also t ested. The multilayer morphologies were influenced by coating stress a nd unintentional temperature rises from the PVD process. Analysis by l iquid nuclear magnetic resonance of the thin films showed slight compo sitional variations between the coating and starting materials of perf luorinated amorphous polymers.