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  • Quick, Precise, but not Cold

    Press Release / 16.5.2017

    Ein wesentliches Thema beim 4. UKP-Workshop waren thermische Effekte. Prof. Thomas Graf (rechts) sagte dazu: »Wieviel Wärme bei ultrakurzen Pulsen im Material zurück bleibt, haben wir noch nicht vollständig verstanden.«
    © Photo Fraunhofer ILT, Aachen, Germany.

    On April 26 and 27, 150 experts from research and industry met in Aachen for the 4th UKP-Workshop: Ultrafast Laser Technology. Once again, the workshop – organized by the Fraunhofer Institute for Laser Technology ILT – focused on the industrial uses of ultrashort laser pulses. However, it was basic researchers that caused a stir. Using relatively simple formulas, they demonstrated how the much-lauded “cold ablation” of picosecond and femtosecond lasers is by no means cold when the parameters and systems chosen are not matching the physical limitations and conditions of beam-material interactions.

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  • Technisch anmutende Designs wie diese mit ps-Laserstrahlung erzeugte Pyramidenstruktur finden immer mehr Anwendung im Automobilinterieur.
    © Photo Fraunhofer ILT, Aachen, Germany.

    In the automotive industry, more and more surfaces are getting a microstructure treatment. Whether they are added to cylinders or dashboards, functional surfaces are all the rage. Able to offer virtually unlimited precision, lasers are the right tool for the job. To ensure that productivity matches precision, development is under way on a machine that will be able to efficiently process even large surfaces thanks to a combination of two different pulse types.

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  • © Photo Fraunhofer ILT, Aachen, Germany / Volker Lannert.

    In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.

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  • © Photo Fraunhofer ILT, Aachen, Germany.

    On April 26 and 27, 2017, the Fraunhofer Institute for Laser Technology ILT in Aachen will hold the 4th UKP-Workshop: Ultrafast Laser Technology. The event is an opportunity for scientists, laser manufacturers and users to come together and learn more about the latest trends from the ultrafast laser sector. More than 20 international speakers will report on the most recent developments in ultrafast laser beam sources and optical systems for ultrafast laser technology.

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