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Proceedings Paper

Direct laser interference patterning, 20 years of development: from the basics to industrial applications
Author(s): Andrés F. Lasagni; Carsten Gachot; Kim E. Trinh; Michael Hans; Andreas Rosenkranz; Teja Roch; Sebastian Eckhardt; Tim Kunze; Matthias Bieda; Denise Günther; Valentin Lang; Frank Mücklich
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Paper Abstract

Starting from a simple concept, transferring the shape of an interference pattern directly to the surface of a material, the method of Direct Laser Interference Patterning (DLIP) has been continuously developed in the last 20 years. From lamp-pumped to high power diode-pumped lasers, DLIP permits today for the achievement of impressive processing speeds even close to 1 m2/min. The objective: to improve the performance of surfaces by the use of periodically ordered micro- and nanostructures. This study describes 20 years of evolution of the DLIP method in Germany. From the structuring of thin metallic films to bulk materials using nano- and picosecond laser systems, going through different optical setups and industrial systems which have been recently developed. Several technological applications are discussed and summarized in this article including: surface micro-metallurgy, tribology, electrical connectors, biological interfaces, thin film organic solar cells and electrodes as well as decorative elements and safety features. In all cases, DLIP has not only shown to provide outstanding surface properties but also outstanding economic advantages compared to traditional methods.

Paper Details

Date Published: 7 March 2017
PDF: 11 pages
Proc. SPIE 10092, Laser-based Micro- and Nanoprocessing XI, 1009211 (7 March 2017); doi: 10.1117/12.2252595
Show Author Affiliations
Andrés F. Lasagni, TU Dresden (Germany)
Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
Carsten Gachot, Univ. des Saarlandes (Germany)
Kim E. Trinh, Univ. des Sarlaandes (Germany)
Michael Hans, Univ. des Saarlandes (Germany)
Andreas Rosenkranz, Univ. des Saarlandes (Germany)
Teja Roch, TU Dresden (Germany)
Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
Sebastian Eckhardt, TU Dresden (Germany)
Tim Kunze, Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
Matthias Bieda, Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
Denise Günther, TU Dresden (Germany)
Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
Valentin Lang, TU Dresden (Germany)
Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
Frank Mücklich, Univ. des Saarlandes (Germany)
Materials Engineering Ctr. Saarland (Germany)

Published in SPIE Proceedings Vol. 10092:
Laser-based Micro- and Nanoprocessing XI
Udo Klotzbach; Kunihiko Washio; Rainer Kling, Editor(s)

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