Publications

Florian Bienert, Christoph Röcker, Thomas Graf, and Marwan Abdou Ahmed. Bending of Lloyd’s mirror to eliminate the period chirp in the fabrication of diffraction gratings. Optics Express, (32)10:18430, Optica Publishing Group, May 2024. [PUMA: laser myown peer] URL

Pedro Amaro, A. Adamczak, M. Abdou Ahmed, L. Affolter, F. D. Amaro, Patricia Carvalho, T. L. Chen, L. M. P. Fernandes, M. Ferro, D. Goeldi, T. Graf, M. Guerra, Theodor Hänsch, C. A. O. Henriques, Y. C. Huang, P. Indelicato, O. Kara, Klaus Kirch, Andreas Knecht, Franz Kottmann, Y. W. Liu, Jorge Machado, M. Marszalek, R. D. P. Mano, C. M. B. Monteiro, F. Nez, J. Nuber, A. Ouf, N. Paul, Randolf Pohl, E. Rapisarda, J. M. F. dos Santos, J. P. Santos, P. A. O. C. Silva, L. Sinkunaite, J. T. Shy, K. Schuhmann, S. Rajamohanan, Anna Soter, L. Sustelo, David Taqqu, L. B. Wang, Frederik Wauters, P. Yzombard, M. Zeyen, and Aldo Antognini. Laser excitation of the 1s-hyperfine transition in muonic hydrogen. SciPost Physics, (13)2Stichting SciPost, August 2022. [PUMA: laser myown peer] URL

Manuel Zeyen, Lukas Affolter, Marwan Abdou Ahmed, Thomas Graf, Oguzhan Kara, Klaus Kirch, Adrian Langenbach, Miroslaw Marszalek, François Nez, Ahmed Ouf, Randolf Pohl, Siddharth Rajamohanan, Pauline Yzombard, Karsten Schuhmann, and Aldo Antognini. Injection-seeded high-power Yb:YAG thin-disk laser stabilized by the Pound-Drever-Hall method. Optics Express, (31)18:29558, Optica Publishing Group, August 2023. [PUMA: laser myown peer] URL

Jan-Hinnerk Wolter, Andreas Voss, Thomas Graf, and Marwan Abdou Ahmed. Design of convex-shaped transparent heat spreaders for symmetrical cooling of a thin-disk laser crystal by mechanical pressing. Applied Physics B, (130)1:22, Jan 5, 2024. [PUMA: laser myown peer] URL

Denys Didychenko, Stefan Esser, Frieder Beirow, Anton Savchenko, Christof Pruss, Thomas Graf, and Marwan Abdou Ahmed. Generation of a radially polarized beam in a polycrystalline ceramic Yb:Lu2O3 thin-disk laser. Applied Physics B, (129)9:146, Aug 24, 2023. [PUMA: laser myown peer] URL

Danish Bashir, Ayoub Boubekraoui, Georgia Mourkioti, Fangfang Li, Petri Karvinen, Markku Kuittinen, Jacob. I. Mackenzie, Thomas Graf, and Marwan Abdou Ahmed. Sapphire-based resonant waveguide-grating mirrors: advancing their intra-cavity power density capability. Applied Physics B, (130)1:4, Dec 7, 2023. [PUMA: laser myown peer] URL

Manuel Zeyen, Lukas Affolter, Marwan Abdou Ahmed, Thomas Graf, Oguzhan Kara, Klaus Kirch, Miroslaw Marszalek, François Nez, Ahmed Ouf, Randolf Pohl, Ivo Schulthess, Siddharth Rajamohanan, Pauline Yzombard, Karsten Schuhmann, and Aldo Antognini. Compact 20-pass thin-disk multipass amplifier stable against thermal lensing effects and delivering 330 mJ pulses with M2 < 1.17. Optics Express, (32)2:1218, Optica Publishing Group, January 2024. [PUMA: laser myown peer] URL

Manuel Zeyen, Lukas Affolter, Marwan Abdou Ahmed, Thomas Graf, Oguzhan Kara, Klaus Kirch, Miroslaw Marszalek, Francois Nez, Ahmed Ouf, Randolf Pohl, Siddharth Rajamohanan, Pauline Yzombard, Aldo Antognini, and Karsten Schuhmann. Pound–Drever–Hall locking scheme free from Trojan operating points. Review of Scientific Instruments, (94)1:013001, AIP Publishing, January 2023. [PUMA: laser myown peer] URL

Manuel Zeyen, Lukas Affolter, Marwan Abdou Ahmed, Thomas Graf, Oguzhan Kara, Klaus Kirch, Miroslaw Marszalek, François Nez, Ahmed Ouf, Randolf Pohl, Siddharth Rajamohanan, Pauline Yzombard, Aldo Antognini, and Karsten Schuhmann. Pound–Drever–Hall locking scheme free from Trojan operating points. Review of Scientific Instruments, (94)1:013001, 2023. [PUMA: laser myown peer] URL

Phillip Lino Rall, Daniel Förster, Thomas Graf, and Christoph Pflaum. Simulation and compensation of thermal lensing in optical systems. Optics Express, (30)21:38643, Optica Publishing Group, October 2022. [PUMA: focusshift laser myown opticalelements peer] URL

Helmut Hügel, and Thomas Graf. Materialbearbeitung mit Laser. Springer Fachmedien Wiesbaden, 2022. [PUMA: laser myown] URL

Florian Hermann, Bowen Chen, Golsa Ghasemi, Valentin Stegmaier, Thomas Ackermann, Peter Reimann, Sabrina Vogt, Thomas Graf, and Michael Weyrich. A Digital Twin Approach for the Prediction of the Geometry of Single Tracks Produced by Laser Metal Deposition. Procedia CIRP, (107):83--88, Elsevier BV, 2022. [PUMA: laser myown peer] URL

Rudolf Weber, and Thomas Graf. The challenges of productive materials processing with ultrafast lasers. Adv. Opt. Techn., (10)4-5:239-245, 2021. [PUMA: laser myown peer]

Thomas Graf, Max Hoßfeld, and Volkher Onuseit. A Universal Machine: Enabling Digital Manufacturing with Laser Technology. In P. Weißgraeber et al. (Eds.), 2020. [PUMA: laser myown]

Thomas Graf, Max Hoßfeld, and Volkher Onuseit. A Universal Machine: Enabling Digital Manufacturing with Laser Technology. In Weißgraeber et al. (Eds.), Advances in Automotive Production Technology – Theory and Application, 386-393, ARENA2036, 2021. [PUMA: laser myown] URL

Sebastian Hecker, Markus Blothe, and Thomas Graf. Reproducible process regimes during glass welding by bursts ofsubpicosecond laser pulses. Appl. Opt., (59)36:11382-11388, OSA, December 2020. [PUMA: glass laser laser_weldingsend:unibiblio myown peer welding] URL

Laurent Gallais, Martin Rumpel, Michael Moeller, Tom Dietrich, Thomas Graf, and Marwan Abdou Ahmed. Investigation of laser damage of grating waveguide structures submitted to sub-picosecond pulses. Applied Physics B, (126)4:69, Mar 26, 2020. [PUMA: OpticalElementssend:unibiblio laser myown peer] URL

Arham Amouye Foumani, Daniel J. Förster, Hossein Ghorbanfekr, Rudolf Weber, Thomas Graf, and Ali Reza Niknam. Atomistic simulation of ultra-short pulsed laser ablation of metals with single and double pulses: An investigation of the re-deposition phenomenon. Applied Surface Science, (537):147775, Elsevier BV, September 2020. [PUMA: ablation laser myown peer] URL

Sebastian Hecker, Markus Blothe, Daniel Grossmann, and Thomas Graf. Process regimes during welding of glass by femtosecond laser pulse bursts. Appl. Opt., (59)22:6452--6458, OSA, August 2020. [PUMA: glass laser myown peer welding] URL

Yuan Qin, Daniel J. Förster, Rudolf Weber, Thomas Graf, Sen Yang, Dehua Zhu, and Fengping Li. Numerical analysis and semi-analytical prediction of the depth of holes drilled with combined ms and ns laser pulses. Journal of Applied Physics, (127)21:213101--, American Institute of Physics, June 2020. [PUMA: drilling laser myown peer] URL