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Research Spotlight: “And the award goes to...”

Laser researchers from Mittweida receive prestigious Best Paper Award

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It wasn’t the Oscars, but there are other awards in Hollywood that carry the name ‘Mittweida University of Applied Sciences’ to America.

The Journal of Laser Applications Best Paper Award is presented annually to the lead author of an outstanding paper published in the field of laser applications over the past three years in the Journal of Laser Applications (JLA) of the American Institute of Physics (AIP).

This year, the prestigious prize went to Mittweida, specifically to the research group on laser pulse deposition of thin films and laser microstructuring, led by Professor Steffen Weißmantel at the Laser Institute of Mittweida University of Applied Sciences (LHM).

The award was given to a publication entitled: “Optimisation of the ablation process using ultrashort pulsed laser radiation in different burst modes” (Link https://doi.org/10.2351/7.0000352), loosely translated as: ‘Optimisation of the ablation process using ultrashort pulsed laser radiation in different burst modes’.

The lead author is Dr Daniel Metzner, and the co-authors are Prof. Steffen Weißmantel and Peter Lickschat. The publication deals with experimental investigations into the ablation of stainless steel using high-frequency sequences of ultrashort laser pulses (burst mode), with a focus on the achievable efficiency, productivity, surface quality and process stability.

The paper was published as part of the doctoral thesis by Dr.-Ing. Daniel Metzner (Fokus Forschung reported on this at https://www.forschung.hs-mittweida.de/news/aktuell/8105/.)

The findings presented in the text are also part of the successfully completed MULTIPULS project, which was funded by the German Research Foundation (DFG). MULTIPULS is an acronym for the interaction of fast pulse sequences of ultrashort-pulsed laser radiation in the GHz to MHz range with metals.

Dr Daniel Metzner, as lead author, accepted the award at the 43rd International Congress on Applications of Lasers & Electro-Optics (ICALEO) in Los Angeles during an online awards ceremony. In his presentation, he referred to the excellent research and facilities at our university, which formed the basis for his doctoral thesis and, indeed, this publication. Dr Metzner shared his fascination with the fact that the unique physical mechanisms occurring within a high-frequency sequence of ultrashort laser pulses (such as pulse-plasma interactions) remain largely unexplored and hold the promise of further exciting findings. He concluded by expressing his gratitude for being part of this fantastic community.

Professor Steffen Weißmantel, head of the research group and co-author, explains: “It is a great honour to receive this award. It is internationally recognised proof of excellent research and underlines the relevance of our work within the scientific community. The increasing number of publications in recent years in the field of high-frequency sequences of ultrashort laser pulses (burst mode) demonstrates the great potential for further studies and projects.”

In addition to the award-winning work, nine further international peer-reviewed publications were produced in collaboration with the research group ‘Dynamics of Ultrasريع Selective Laser Processes’ (led by Professor Alexander Horn) at the Laser Institute of Mittweida University of Applied Sciences during the three-year DFG project.

Further information on the JLA Award is available at the following link: https://pubs.aip.org/lia/jla/pages/award

Text: Prof. Steffen Weißmantel, Dr Daniel Metzner, Annett Kober
Images: Mittweida University of Applied Sciences (1), (3), private collection (2)