Browsing by Author "Löbmann, Peer"

Now showing 1 - 2 of 2
  • Thumbnail Image
    Item
    Applications of periodically structured surfaces on glass
    (Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft, 2000) Wittwer, Volker; Gombert, Andreas; Rose, Klaus; Löbmann, Peer; Sporn, Dieter; Manns, Peter; Döli, Walter; Konz, Werner; Seibert, Klaus
    Periodic structures on glass surfaces with dimensions much smaller than a micron can be used in very different applications such as antireflective surfaces and grating couplers for biosensors. The manufacturing technology is briefly described.
  • Thumbnail Image
    Item
    Industrial processing of TiO2 thin films from soluble precursor powders
    (Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft, 2003) Löbmann, Peer; Röhlen, Peter
    Soluble, amorphous powders were prepared as precursors for the sol-gel processing of TiO2 films. Layers of up to 800 nm and 2.0 μm were prepared on borosilicate glass and Ni-alloy by multiple coating, respectively. A refractive index of 2.3 was achieved. The interdependency of parameters such as solvent composition, withdrawal rate, thermal treatment with film quality, thickness and optical properties was investigated. The conditions were optimized for large-area coatings on an industrial scale. The overall process is highly advantageous for industrial production of optical interference filters due to the long-time stability of precursor powders and sols, high optical quality of the resulting films, excellent substrate adhesion and good compatibility with other sol-gel films.