Publikationen von N. den Harder

Äkäslompolo, S.; Bozhenkov, S.; Kazakov, Y.; Harder, N. d.; Hartmann, D.; Dhard, C. P.; Mayer, M.; McNeely, P.; Rust, N.; Poloskei, P. Z. et al.; Jansen van Vuuren, A.; Neelis, T. W. C.; Ford, O.; Vano, L.; Geiger, B.; Schmitt, J.; Ogawa, K.; Isobe, M.; Killer, C.; Drewelow, P.; Gao, Y.; Ali, A.; Fellinger, J.; Hathiramani, D.; Jakubowski, M.; Niemann, H.; Wurden, G.; Pisano, F.; Puig Sitjes, A.; Sleczka, M.; Geiger, J.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Results from the first W7-X fast ion experiments. 19th Coordinated Working Group Meeting, Berlin (2019)

Hurlbatt, R. A.; Bonomo, F.; Harder, N. d.; Wünderlich, D.; Fantz, U.: The Particle Tracking Code BBCNI for Negative Ion Beams and its Application to BATMAN Upgrade. 6th International Symposium on Negative Ions, Beams and Sources (NIBS 2018), Novosibirsk (eingereicht)

Listopad, A.; Giannattasio, V.; Harder, N. d.; Karpushov, A.; Sauter, O.; Tersztyansky, T.; Toussaint, M.: Ion optics with oval apertures for TCV NBI. 31st IEEE Symposium on Fusion Engineering (SOFE 2025), Cambridge, MA (2025)

Barnes, M.; Harder, N. d.; Wimmer, C.; Fantz, U.: Evaluation of Beam Properties Using a Checkerboard Masking Configuration at the NNBI Test Stand BATMAN Upgrade. 9th International Symposium on Negative Ions, Beams and Sources (NIBS 2024), Gandhinagar Gujarat (eingereicht)

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 (eingereicht)

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 NBI systems for fusion: a diagnostic comparison. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (eingereicht)

Rubin, J.; Harder, N. d.; Fantz, U.: Towards a deeper understanding of the pronounced increase in co-extracted current density in H^-/D^- negative ion sources for fusion. DPG-Frühjahrstagung der Sektion Materie und Kosmos (SMuK), Göttingen (eingereicht)

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 (eingereicht)

Harder, N. d.: Beam studies in view of ITER's NBI systems. EUROfusion Experts Visit to ITER, Cadarache (eingereicht)

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 (eingereicht)

Hopf, C.; Harder, N. d.; Heinemann, B.; Angioni, C.; Plank, U.; Weiland, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Decoupling beam power and beam energy on ASDEX Upgrade NBI with an in-situ variable extraction gap system. 29th IAEA Fusion Energy Conference (FEC 2023), London (eingereicht)

Hopf, C.; Harder, N. d.; Heinemann, B.; Angioni, C.; Plank, U.; Weiland, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Decoupling beam power and beam energy on ASDEX Upgrade NBI with an in-situ variable extraction gap system. 29th IAEA Fusion Energy Conference (FEC 2023), London (eingereicht)

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 (eingereicht)

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 (eingereicht)

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 (eingereicht)

Harder, N. d.; Revel, A.; Mimo, A.; Wünderlich, D.; Lindqvist, M.; Nocentini, R.; Mochalskyy, S.; Minea, T.; Fantz, U.: Computationally studying H^- extraction and beamlet formation: the impact of the plasma model. 8th International Symposium on Negative Ions, Beams and Sources (NIBS 2022), Padova, Virtual (eingereicht)

Heinemann, B.; Harder, N. d.; Hopf, C.; Eckerskorn, M.; Fröschle, M.: Variable Grid Gap for a wider operational space of NBI-Heating at ASDEX Upgrade. 32nd Symposium on Fusion Technology (SOFT 2022), Dubrovnik, Virtual (eingereicht)

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 (eingereicht)

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 (eingereicht)

Lettry, J.; Revel, A.; Mimo, A.; Hurlbatt, A.; Vnuchenko, A.; Riffaud, B.; Teissandier, B.; Vuitton, C.; Charvet, C.; Mastrstefano, C. et al.; Steyaert, D.; Wünderlich, D.; Roncarolo, F.; Lorenzo, F. d.; Thiboud, J.; Kapusniak, K. J.; Lindqvist, M.; O'Neil, M.; Duraffourg, M.; Harder, N. d.; Moyret, P.; Guida, R.; Bertolo, S.; Mochalskyy, S.; Briefi, S.; Bart Pedersen, S.; Kalvas, T.; Minea, T.; Fantz, U.; Coutron, Y. M.: CERN's IS03 H^- Source Beam Formations Studies. 19th International Conference on Ion Sources (ICIS 2021), Virtual (eingereicht)