Publications

Raoul-Amadeus Lorbeer, Stefan Scharring, Stephanie Karg, Jan Pastow, Lisa Pastuschka, Daniel Johannes Förster, and Hans-Albert Eckel. Thrust Noise Minimization in Long-term Laser Ablation of Propellant Material in the Nanosecond and Picosecond Regime. Optical Engineering, (56)1:011010, Society of Photo-Optical Instrumentation Engineers (SPIE), January 2017. [PUMA: ablation laser micro peer propulsion] URL

Volker Rominger, Peter Berger, and Helmut Hügel. Effects of reduced ambient pressure on spattering during the laser beam welding of mild steel. Journal of Laser Applications, (31)4:042016-1 - 042016-14, 2019. [PUMA: laser myown peer vacuum welding] URL

Oliver Bocksrocker, Peter Berger, Florian Fetzer, Volker Rominger, and Thomas Graf. Influence of the Real Geometry of the Laser Cut Front on the Absorbed Intensity and the Gas Flow. Lasers in Manufacturing and Materials Processing, (6)1:1-13, March 2019. [PUMA: Cutting Laser myown peer] URL

Martin Sommer, Jan-Philipp Weberpals, Steffen Müller, Peter Berger, and Thomas Graf. Advantages of laser beam oscillation for remote welding of aluminum closely above the deep-penetration welding threshold. Journal of Laser Applications, (29)12017. [PUMA: Laser Peer Welding myown]

Florian Fetzer, Haoyue Hu, Peter Berger, Rudolf Weber, Peter Eberhard, and Thomas Graf. Fundamental investigations on the spiking mechanism by means of laser beam welding of ice. Journal of Laser Applications, (30)1:012009-1 - 012009-9, February 2018. [PUMA: Ice Laser LaserMatterInteraction Peer Spiking Welding myown] URL

Marcel Schäfer, Steffen Kessler, Florian Fetzer, and Thomas Graf. Influence of the focal position on the melt flow during laser welding of steel. Journal of Laser Applications, (29)1:012010, 2017. [PUMA: Laser Peer Welding]

Florian Fetzer, Peter Stritt, Peter Berger, Rudolf Weber, and Thomas Graf. Fast numerical method to predict the depth of laser welding. Journal of Laser Applications, (29)2:022012, 2017. [PUMA: Laser Modelling Peer Simulation Welding]

Michael Eckerle, Frieder Beirow, Tom Dietrich, F. Schaal, Christof Pruss, Wolfgang Osten, Nicolas Aubry, M. Perrier, Julien Didierjean, Xavier Délen, F. Balembois, P. Georges, Marwan Abdou Ahmed, and Thomas Graf. High-power single-stage single-crystal Yb:YAG fiber amplifier for radially polarized ultrashort laser pulses. Applied Physics B, (123)5:139, 2017. [PUMA: Laser ModeCoupled OpticalElements Peer]

Jan-Philipp Negel, André Loescher, Benjamin Dannecker, P. Oldorf, S. Reichel, R. Peters, Marwan Abdou Ahmed, and Thomas Graf. Thin-disk multipass amplifier for fs pulses delivering 400 W of average and 2.0 GW of peak power for linear polarization as well as 235 W and 1.2 GW for radial polarization. Applied Physics B, (123)1562017. [PUMA: Diodepumped Laser ModeCoupled Peer]

Rudolf Weber, Andreas Michalowski, Marwan Abdou Ahmed, Volkher Onuseit, Volker Rominger, Martin Kraus, Andreas Voß, and Thomas Graf. Effects of Radial and Tangential Polarization in Laser Material Processing. Physics Procedia, 2011. [PUMA: Ablation Cutting Drilling Laser LaserMatterInteraction Peer Welding]

Volkher Onuseit, Marwan Abdou Ahmed, Rudolf Weber, and Thomas Graf. Space-resolved Spectrometric Measurements of the Cutting Front. Physics Procedia, 2011. [PUMA: Cutting Diagnostics Laser LaserMatterInteraction Peer]

P. Mucha, Peter Berger, Rudolf Weber, Nicolai Speker, B. Sommer, and Thomas Graf. Calibrated heat flow model for the determination of different heat-affected zones in single-pass laser-cut CFRP using a cw CO2 laser. Applied Physics A, (118)4:1509-1516, 2015. [PUMA: Cutting Laser Peer]

Cherry May N. Mateo, Uwe Brauch, Thomas Schwarzbäck, Hermann Paul Kahle, Michael Jetter, Marwan Abdou Ahmed, Peter Michler, and Thomas Graf. Enhanced efficiency of AlGaInP disk laser by in-well pumping. Optics Express, (23)3:2472, 2015. [PUMA: Laser Peer]

Daniel Weller, Peter Stritt, Rudolf Weber, Thomas Graf, Cyrille Bezençon, Jörg Simon, and C. Bassi. Effects of Joining Geometries on Cracking Susceptibility and Process Efficiency Using Multi-Alloy Aluminium. ICALEO, 19.-23.10.2014, San Diego, USA, (ICALEO 2014)2014. [PUMA: Laser Peer Welding]

Andreas Heider, Thomas Arnold, Peter Stritt, Rudolf Weber, and Thomas Graf. HIGH-POWER LASER SOURCES ENABLE HIGH-QUALITY LASER WELDING OF COPPER. ICALEO, 19.-23.10.2014, San Diego, USA, 2014. [PUMA: Laser Peer Welding]

Daniel Weller, Rudolf Weber, Peter Stritt, Peter Berger, Thomas Graf, Cyrille Bezençon, Jörg Simon, and C. Bassi. Influence of a multi-alloy aluminum design on the process efficiency during laser welding. 8th International Conference on Photonic Technologies LANE 2014, 2014. [PUMA: Laser Peer Welding]

Peter Stritt, Christian Hagenlocher, C. Kizler, Rudolf Weber, C. Rüttimann, and Thomas Graf. Laser spot welding of copper-aluminum joints using a pulsed dual wavelength laser at 532 and 1064 nm. Physics Procedia, (56)56:759 - 767, 2014. [PUMA: Laser Peer Welding]

H. Nakao, T. Inagaki, A. Shirakawa, K. Ueda, H. Yagi, T. Yanagitani, A. Kaminskii, Birgit Weichelt, Katrin Sarah Wentsch, Marwan Abdou Ahmed, and Thomas Graf. Yb3+-doped ceramic thin-disk lasers of Lu-based oxides. Optical Materials Express, (4)2121:2116, 2014. [PUMA: Diodepumped Laser Peer]

Benjamin Dannecker, X. Délen, Katrin Sarah Wentsch, Birgit Weichelt, C. Hönninger, Andreas Voß, Marwan Abdou Ahmed, and Thomas Graf. Passively mode-locked Yb:CaF2 thin-disk laser. Optics Express, (22)19:22278-22284, 2014. [PUMA: Diodepumped Laser ModeCoupled Peer]

Jan-Philipp Negel. Durchbruch mit UKP-Lasern am IFSW. Laser Magazin, 22014. [PUMA: Laser ModeCoupled Peer]