Publications of C. Wimmer

Talk (40)

101.
Talk
Wimmer, C.; Fantz, U.; NNBI Team: Cesium Dynamics and H--Density in the Extended Boundary Layer of Negative Hydrogen Ion Sources for Fusion. 3rd International Symposium on Negative Ions, Beams and Sources (NIBS 2012), Jyväskylä (2012)
102.
Talk
Fantz, U.; Wimmer, C.; NNBI Team: Cesium dynamics in long pulse operation of negative hydrogen ion sources for fusion. 14th International Conference on Ion Sources (ICIS 2011), Giardini Naxos (2011)
103.
Talk
Jahnke, T.; Czasch, A.; Schöffler, M.; 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. Physik seit Einstein - 69. Jahrestagung der Deutschen Physikalischen Gesellschaft (DPG) mit allen Fachverbänden und der Astronomischen Gesellschaft (AG), Berlin (2005)

Poster (37)

104.
Poster
Döring, A.; Wimmer, C.; Wünderlich, D.; Fröschle, M.; Nocentini, R.; Harder, N. d.; Fantz, U.: Overview of measures to reduce co-extracted electrons during long pulses in NBI sources for ITER. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)
105.
Poster
Harder, N. d.; Barnes, M.; Döring, A.; Heinemann, B.; Mario, I.; Pimazzoni, A.; Poggi, C.; La Rosa, A.; Sartori, E.; Segalini, B. et al.; Serianni, G.; Shepherd, A.; Wimmer, C.; Wünderlich, D.; Fantz, U.: Measuring the beamlet divergence in n-NBI systems for fusion: a diagnostic comparison. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)
106.
Poster
Heiler, A.; Wimmer, C.; Klose, N.; Fantz, U.: Monitoring the converter surface dynamics in negative hydrogen ion sources for ITER NBI. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)
107.
Poster
Wimmer, C.; Döring, A.; Fröschle, M.; Heiler, A.; Mussini, D.; Fantz, U.: Stabilizing long pulse D- extraction for NBI using a Cs shower. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)
108.
Poster
Yordanov, D.; Wünderlich, D.; Friedl, R.; Wimmer, C.; Heiler, A.; Fantz, U.: Plasma property investigations during negative ion beam extraction in a half-sized ITER NBI ion source at ELISE test facility. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)
109.
Poster
Barnes, M.; Harder, N. d.; Navarro, A.; Wimmer, C.; Wünderlich, D.; Fantz, U.: Direct Comparison of H- and D- Single Beamlet Divergence in View of ITER’s NBI System. 49th EPS Conference on Plasma Physics, Bordeaux (submitted)
110.
Poster
Harder, N. d.; Barnes, M.; Heinemann, B.; Lindqvist, M.; Nocentini, R.; Orozco, G.; Veltri, P.; Wimmer, C.; Wünderlich, D.; Fantz, U.: Beam Optics of RF Ion Sources in View of ITER's NBI Systems. 29th IAEA Fusion Energy Conference (FEC 2023), London (submitted)
111.
Poster
Hörsch, J.; Wimmer, C.; Fantz, U.: Atomic hydrogen density measurements with TALIF above a sample surface. DPG-Frühjahrstagung 2024, Greifswald (submitted)
112.
Poster
Navarro, A.; Barnes, M.; Harder, N. d.; Wünderlich, D.; Wimmer, C.; Nocentini, R.; Orozco, G.; Heinemann, B.; Fantz, U.: Particle Tracking and Beam Line Diagnostic Reconstruction for Applications in Large Negative NBI sources. 49th EPS Conference on Plasma Physics, Bordeaux (submitted)
113.
Poster
Orozco, G.; Barnes, M.; Fantz, U.; Harder, N. d.; Heinemann, B.; Navarro, A.; Nocentini, R.; Wimmer, C.: A calorimetric evaluation method for beam targets with IR imaging: implementation for the negative ion source BATMAN Upgrade. 15th International Symposium on Fusion Nuclear Technology (ISFNT-15), Las Palmas de Gran Canaria (submitted)
114.
Poster
Rubin, J.; Harder, N. d.; Wünderlich, D.; Wimmer, C.; Fantz, U.: Research plan for investigating differences and similarities between hydrogen and deuterium operation in negative ions sources for fusion applications. DPG-Frühjahrstagung 2024, Greifswald (submitted)
115.
Poster
Berner, J. M.; Wimmer, C.; Fantz, U.: Work Function Measurements in BATMAN Upgrade using LEDs Revealing Remarkably Low Values. 8th International Symposium on Negative Ions, Beams and Sources (NIBS 2022), Padova, Virtual (submitted)
116.
Poster
Orozco, G.; Fröschle, M.; Harder, N. d.; Heinemann, B.; Hurlbatt, A.; Kolbinger, J.; Oberpriller, A.; Nocentini, R.; Wimmer, C.: 3D magnetic field measurements and improvements at the negative ion source BATMAN Upgrade. 32nd Symposium on Fusion Technology (SOFT 2022), Dubrovnik, Virtual (submitted)
117.
Poster
Berner, J. M.; Wimmer, C.; Fantz, U.: Work Function Measurements of the Cesiated Surface in a Negative Hydrogen Ion Source Using LEDs. DPG-Frühjahrstagung der Fachverbände Physik der Hadronen und Kerne, Plasmaphysik und des Arbeitskreises Beschleunigerphysik , Mainz, Virtual (submitted)
118.
Poster
Harder, N. d.; Hurlbatt, A.; Wimmer, C.; Orozco, G.; Nocentini, R.; Fröschle, M.; Heinemann, B.; Fantz, U.: The ITER-HNB Plasma Grid and Extraction Grid in BUG: Characterization of a Magnetic Deflection Correction System. 19th International Conference on Ion Sources (ICIS 2021), Virtual (submitted)
119.
Poster
Merk, F.; Wimmer, C.; Briefi, S.; Fantz, U.: TALIF on H2 Plasmas in Preparation of its Usage for Negative Ion Sources. DPG-Tagung der Sektion Materie und Kosmos (SMuK), Virtual (submitted)
120.
Poster
Yordanov, D.; Wünderlich, D.; Wimmer, C.; Fantz, U.: On the Effect of Biased Surfaces in the Vicinity of the Extraction Area at the Large RF Driven Negative Ion Source at the ELISE Test Facility. 19th International Conference on Ion Sources (ICIS 2021), Virtual (submitted)
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