Publications

Michael Haas, Shumpei Fujio, Felix Zaiß, Johannes Wahl, John Powell, Yuji Sato, Masahiro Tsukamoto, Christian Hagenlocher, and Andreas Michalowski. Analysis of the influence of the capillary shape on monitoring signals in deep penetration laser welding. 2025. [PUMA: myown Welding ProcessMonitoring X-ray OCT]

Manuel Henn, Lukas Schneller, Matthias Buser, Christian Hagenlocher, Christoph Spurk, Marc Hummel, Felix Beckmann, Julian Moosmann, and Thomas Graf. High Speed X-Ray Imaging of Laser Percussion Drilling with Ultrashort Laser Pulses. 2024. [PUMA: myown ablation x-ray ultrashort nondestructive drilling diagnostics micromaterialprocessing pulse stainlesssteel processmonitoring]

Michael Haas, Felix Zaiß, Johannes Wahl, John Powell, Christian Hagenlocher, and Andreas Michalowski. Analysis of the influence of the capillary shape on monitoring signals in deep penetration laser welding. 2025. [PUMA: myown Welding ProcessMonitoring X-ray OCT]

David Traunecker, Michael Jarwitz, and Andreas Michalowski. Improving pyrometric temperature measurements for quality monitoring of laser processes. 2025. [PUMA: myown diagnostics processmonitoring pyrometer]

Manuel Klaiber, Mathias Hug, Lukas Schneller, Ömer Can, Andreas Jahn, Axel Fehrenbacher, Michael Haas, Peter Reimann, and Andreas Michalowski. Bayesian optimization of single-pulse laser drilling using advanced image processing. tm-Technisches Messen, 0De Gruyter, 2025. [PUMA: drilling micromaterialprocessing myown peer processmonitoring productiontechnology software] URL

David Traunecker, Michael Jarwitz, and Andreas Michalowski. Correcting the Influence of the Angle-Dependent Emissivity on Pyrometric Temperature Measurements for Laser Processes. Lasers in Manufacturing and Materials Processing, Feb 1, 2025. [PUMA: myown Pyrometer Diagnostics peer processmonitoring Copper] URL

David Traunecker, Michael Jarwitz, and Andreas Michalowski. Influence of geometry variations during pyrometric temperature measurement in laser material processing. 2024. [PUMA: myown diagnostics copper processmonitoring pyrometer]

David Traunecker, Michael Jarwitz, and Andreas Michalowski. Influence of geometry variations during pyrometric temperature measurement in laser material processing. Procedia CIRP, (124):540–543, Elsevier BV, 2024. [PUMA: myown diagnostics peer copper processmonitoring pyrometer] URL

Michael Sawannia, Madlen Borkmann, Patrick Herwig, Andreas Wetzig, Christian Hagenlocher, and Thomas Graf. Influence of beam oscillation on the melt flow during laser beam fusion cutting and the resulting cut quality. 2023. [PUMA: myown laser cutting processmonitoring goniometer]

Manuel Henn, Christian Hagenlocher, Daniel Holder, Daniel J. Förster, Rudolf Weber, Dennis Haasler, Marc Hummel, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, and Thomas Graf. The progress of microhole formation during laser percussion drilling of steel observed by highspeed synchrotron x-ray imaging. 2023. [PUMA: myown ablation diagnostics x-ray micromaterialprocessing nondestructive ultrashortpulse stainlesssteel drilling processmonitoring] URL

Manuel Henn, Lukas Schneller, Daniel Holder, Dennis Haasler, Marc Hummel, Felix Beckmann, Julian Moosmann, Christian Hagenlocher, and Thomas Graf. Unveiling laser percussion drilling in metals with ultrashort pulses: insights from high-speed synchrotron x-ray imaging on microhole formation and side channel phenomena. In Rainer Kling, Wilhelm Pfleging, and Koji Sugioka (Eds.), 2024. [PUMA: myown ablation x-ray ultrashort nondestructive drilling diagnostics micromaterialprocessing pulse stainlesssteel processmonitoring] URL

David Traunecker, Michael Haas, Michael Jarwitz, and Thomas Graf. Detection of pores during laser beam welding of AlMg3 using the temperature field. 2022. [PUMA: YbYAG myown Diagnostics Welding ProcessMonitoring Simulation Laser X-ray]

David Traunecker, Michael Jarwitz, Thomas Graf, and Andreas Michalowski. In-process determination of the local hardness during laser beam welding of steel. 2023. [PUMA: steel hardening myown ybyag welding diagnostics laser processmonitoring pyrometer]

David Traunecker, Michael Jarwitz, Andreas Michalowski, and Thomas Graf. Online determination of the local hardness during laser beam welding of steel. 2023. [PUMA: steel hardening myown ybyag welding diagnostics laser processmonitoring pyrometer]

Michael Haas, Felix Zaiß, Jonas Wagner, Marc Hummel, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Christian Hagenlocher, and Andreas Michalowski. The change of the capillary shape during pore formation and its effect on process emissions. 2023. [PUMA: myown welding laser x-ray Pores processmonitoring]

Manuel Henn, Christian Hagenlocher, Daniel Holder, Daniel J. Förster, Rudolf Weber, Dennis Haasler, Marc Hummel, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, and Thomas Graf. The progress of microhole formation during laser percussion drilling of steel observed by highspeed synchrotron x-ray imaging. Lasers in Manufacturing Conference 2023, 2023. [PUMA: myown ablation x-ray nondestructive ultrashortpulse drilling diagnostics micromaterialprocessing stainlesssteel processmonitoring] URL

Michael Haas, Felix Zaiß, Johannes Wahl, Christoph Spurk, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Christian Hagenlocher, and Andreas Michalowski. The influence of the capillary shape on process emissions. 2024. [PUMA: myown Welding ProcessMonitoring Capillary Laser X-ray Vapor]

Michael Haas, Felix Zaiß, Johannes Wahl, Christoph Spurk, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Christian Hagenlocher, and Andreas Michalowski. The influence of the capillary shape on process emissions. 2024. [PUMA: myown Welding ProcessMonitoring Capillary Laser X-ray Vapor]

Michael Haas, Felix Zaiß, Jonas Wagner, Marc Hummel, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Christian Hagenlocher, Andreas Michalowski, and Thomas Graf. The change of the capillary shape during pore formation and its effect on process emissions. Proceedings of the Lasers in Manufacturing Conference 2023, 2023. [PUMA: myown Welding ProcessMonitoring Laser X-ray Pores]

Manuel Henn, Lukas Schneller, Daniel Holder, Dennis Haasler, Marc Hummel, Felix Beckmann, Julian Moosmann, Christian Hagenlocher, and Thomas Graf. Unveiling laser percussion drilling in metals with ultrashort pulses: insights from high-speed synchrotron x-ray imaging on microhole formation and side channel phenomena. In Rainer Kling, Wilhelm Pfleging, and Koji Sugioka (Eds.), Laser-based Micro- and Nanoprocessing XVIII, (12873)1287309-1SPIE, March 2024. [PUMA: Drilling myown Diagnostics Ablation MicroMaterialProcessing ProcessMonitoring StainlessSteel UltrashortPulse NonDestructive X-ray] URL