Schott Ag

Sebastian Leukel

Wolfgang Schmidbauer

Andreas Roters

Thomas Schmiady

Susanne Krüger

Thomas Seuthe

Volker Hagemann

Meike Schneider

Jörg Hessenkemper

Ralf Jedamzik

Peter Naß

Jörg Schumacher

Uwe Petzold

A hot-formed, chemically prestressable glass article having a low percentage of crystals or crystallites, in particular a plate-shaped, chemically prestressable glass article, as well as to a method and a device for its production are provided. The glass article has a composition including the components SiO, AlO, and LiO and a content of seed formers (ZrO, SnO, and TiO) of at least 0.8 wt %, as well as at most ten crystals, including crystallites, per kilogram of glass, which have a maximum diameter greater than 1 μm and up to at most 5 μm.

Hot-formed, chemically prestressable glass articles with a low proportion of crystals and methods and devices for producing

An imaging system includes at least one laser light source having a wavelength in the visible spectral range and a beam guidance element with high solarization resistance at high beam power densities. The invention also relates to the use of the imaging system, in particularly in projectors and in material processing.

Imaging system comprising beam guidance element with high solarization resistance in the visible spectral range

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Mainz, Germany

Sebastian Leukel