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Ultrashort pulse induced nanogratings

: Nolte, Stefan; Zimmermann, Felix; Richter, Sören; Plech, Anton; Peschel, Ulf; Tünnermann, Andreas


Bellouard, Y. ; Institut d'Etude Scientifique de Cargèse:
Progress in Ultrafast Laser Modifications of Materials : 14th to the 19th of April 2013, Cargèse, Corsica
Les Ulis: EDP Sciences, 2013 (MATEC Web of Conferences 8.2013)
Art. 03001, 2 pp.
Workshop "Progress in Ultrafast Laser Modifications of Materials" <2013, Cargese>
Conference Paper, Journal Article
Fraunhofer IOF ()

When intense femtosecond laser pulses are focused into a glass substrate, self-organized periodic nanostructures, so-called nanogratings, are generated in a certain parameter regime. To clarify the ultimate structure of the nanogratings we employed focused ion beam (FIB) milling and small angle X-ray scattering (SAXS). The results considerably show that voids are the primary constituents and their number increases with ongoing exposure to laser pulses. Potential applications will be highlighted.