Publications of C. Wimmer

Journal Article (44)

41.
Journal Article
Fantz, U.; Wimmer, C.: Optimizing the laser absorption technique for quantification of caesium densities in negative hydrogen ion sources. Journal of Physics D: Applied Physics 44, 335202 (12pp) (2011)
42.
Journal Article
Gutser, R.; Wimmer, C.; Fantz, U.: Work function measurements during plasma exposition at conditions relevant in negative ion sources for the ITER neutral beam injection. Review of Scientific Instruments 82, 023506 (7pp) (2011)
43.
Journal Article
Fantz, U.; Gutser, R.; Wimmer, C.: Fundamental experiments on evaporation of caesium in ion sources. Review of Scientific Instruments 81, 02B102 (4pp) (2010)
44.
Journal Article
Jahnke, T.; Czasch, A.; Schöffler, M. S.; Schössler, S.; Knapp, A.; Käsz, M.; Titze, J.; Wimmer, C.; Kreidi, K.; Grisenti, R. E. et al.; Staudte, A.; Jagutzki, O.; Hergenhahn, U.; Schmidt-Böcking, H.; Dörner, R.: Experimental Observation of Interatomic Coulombic Decay in Neon Dimers. Physical Review Letters 93, 163401 (2004)

Book Chapter (2)

45.
Book Chapter
Stockli, M. P.; Faircloth, D.; Kraus, W.; Ando, A.; Bollinger, D. S.; Briefi, S.; Fantz, U.; Friedl, R.; Kashiwagi, M.; King, D. et al.; Koivisto, H.; Han, B. X.; Lettry, J.; Takeiri, Y.; Tarvainen, O.; Tsumori, K.; Welton, R. F.; Wimmer, C.: Workshop on performance variations in H ion sources 2012: PV H12. In: Third International Symposium on Negative Ions, Beams and Sources (NIBS 2012), pp. 594 - 597 (Eds. Tarvainen, O.; Kalvas, T.). American Institute of Physics, Melville, TN (2013)
46.
Book Chapter
Wimmer, C.; Fantz, U.; NNBI-Team: Cesium dynamics and H- density in the extended boundary layer of negative hydrogen ion sources for fusion. In: Third International Symposium on Negative Ions, Beams and Sources (NIBS 2012), pp. 246 - 254 (Eds. Tarvainen, O.; Kalvas, T.). American Institute of Physics, Melville, TN (2013)

Conference Paper (1)

47.
Conference Paper
Franzen, P.; Heinemann, B.; Fantz, U.; Wünderlich, D.; Kraus, W.; Fröschle, M.; Martens, C.; Riedl, R.; Masiello, A.; Ruf, B. et al.; Schiesko, L.; Wimmer, C.; NNBI Team: Commissioning and First Results of the ITER-Relevant Negative Ion Beam Test Facility ELISE. In: Proceedings of the 24th IAEA Fusion Energy Conference, ITR/P1-01. 24th IAEA Fusion Energy Conference 2012, San Diego, CA, October 08, 2012 - October 13, 2012. International Atomic Energy Agency, Vienna (2013)

Meeting Abstract (1)

48.
Meeting Abstract
Merk, F.; Wimmer, C.; Briefi, S.; Carbone, E.; Fantz, U.; NNBI Team, Max Planck Institute for Plasma Physics, Max Planck Society: First Steps towards TALIF Measurements of the H Atom Velocity Distribution Function and Density in Negative Ion Sources. In: Verhandlungen der Deutschen Physikalischen Gesellschaft, (VI) 55 (1), P 16.10. DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP), Hannover, March 08, 2020 - March 13, 2020. DPG, Bad Honnef (submitted)

Talk (30)

49.
Talk
Merk, F.; Wimmer, C.; Briefi, S.; Fantz, U.: TALIF on H2 Plasmas and its Application to Negative Ion Sources. DPG-Frühjahrstagung der Fachverbände Physik der Hadronen und Kerne, Plasmaphysik und des Arbeitskreises Beschleunigerphysik , Mainz, Virtual (submitted)
50.
Talk
Mimo, A.; Wimmer, C.; Wünderlich, D.; Fröschle, M.; Fantz, U.: Towards the Optimization of the Cs Evaporation Configuration for Long Pulse Operation of Negative Ion Sources. 19th International Conference on Ion Sources (ICIS 2021), Virtual (submitted)
51.
Talk
Wimmer, C.; Briefi, S.; Fröschle, M.; Heinemann, B.; Harder, N. d.; Hurlbatt, A.; Mimo, A.; Nocentini, R.; Orozco, G.; Fantz, U.: Overview of Recent and Upcoming Activities at the BATMAN Upgrade Test Facility. 19th International Conference on Ion Sources (ICIS 2021), Virtual (submitted)
52.
Talk
Hurlbatt, A.; Bonomo, F.; Orozco, G.; Nocentini, R.; Wimmer, C.: Impact of operational parameters on single beamlet deflection in a negative ion source for NBI applications. 7th International Symposium on Negative Ions, Beams and Sources (NIBS 2020) (Virtual) (submitted)
53.
Talk
Nakano, H.; Wimmer, C.; Kisaki, M.; Hurlbatt, A.; Briefi, S.; Bonomo, F.; Mimo, A.; Heinemann, B.; Fröschle, M.; Tsumori, K. et al.; Fantz, U.: Initial results of a plasma grid comparison experiment between NIFS and ITER-like types at BATMAN Upgrade. 7th International Symposium on Negative Ions, Beams and Sources (NIBS 2020) (Virtual) (submitted)
54.
Talk
Mimo, A.; Nakano, H.; Wimmer, C.; Wünderlich, D.; Fantz, U.; Tsumori, K.: Cavity Ring-Down Spectroscopy system for the determination of negative hydrogen ion density at the ELISE test facility. 18th International Conference on Ion Sources (ICIS 2019), Lanzhou (submitted)
55.
Talk
Kraus, W.; Fantz, U.; Heinemann, B.; Schiesko, L.; Wimmer, C.; NNBI Team, Max Planck Institute for Plasma Physics, Max Planck Society: First Beam Extraction Experiments at BATMAN Upgrade. 6th International Symposium on Negative Ions, Beams and Sources (NIBS 2018), Novosibirsk (submitted)
56.
Talk
Mimo, A.; Wimmer, C.; Wünderlich, D.; Fantz, U.: Studies of the Cs Dynamics in Large Ion Sources using the CsFlow3D Code. 6th International Symposium on Negative Ions, Beams and Sources (NIBS 2018), Novosibirsk (submitted)
57.
Talk
Wimmer, C.; Mario, I.; Wünderlich, D.; Fantz, U.; NNBI Team, Max Planck Institute for Plasma Physics, Max Planck Society: Influence of External Magnets and the Potential Rods on the Plasma Symmetry in the ELISE Ion Source. 6th International Symposium on Negative Ions, Beams and Sources (NIBS 2018), Novosibirsk (submitted)
58.
Talk
Schiesko, L.; Wimmer, C.; Heinemann, B.; Bonomo, F.; Fantz, U.: Understanding some aspects of RF driven negative hydrogen ion sources for fusion by means of diagnostics. 21st International Colloquium on Plasma Processes (CIP) and the 5th Magnetron Ion Processing & Arc Technologies European Conference (MIATEC), Vienna (submitted)
59.
Talk
Wimmer, C.; Fantz, U.; Lindauer, M.; Mimo, A.: Improved Understanding of the Caesium Dynamics in Large H- Sources by Combining TDLAS Measurements and Modelling. 17th International Conference on Ion Sources (ICIS 2017), Geneva (submitted)
60.
Talk
Wimmer, C.; Lindauer, M.; Fantz, U.; NNBI Team, Max Planck Institute for Plasma Physics, Max Planck Society: Determination of the Cs distribution along a line of sight by the Zeeman splitting in an inhomogeneous magnetic field. 82. Jahrestagung der DPG und DPG-Frühjahrstagung der Sektion AMOP, Erlangen (submitted)
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