Wissenschaftliche Publikationen

Publikationen von D. Yordanov

Zeitschriftenartikel (10)

1.
Zeitschriftenartikel
Wünderlich, D.; Riedl, R.; Fröschle, M.; Heiler, A.; Navarro, A.; Yordanov, D.; Döring, A.; Fantz, U.: ITER-relevant 600 s steady-state extraction of negative hydrogen ions at the test facility ELISE. Nuclear Fusion 65, 014001 (2025)
2.
Zeitschriftenartikel
Yordanov, D.; Wünderlich, D.; Riedl, R.; Wimmer, C.; Heiler, A.; Döring, A.; Fantz, U.: Plasma property investigations during negative ion beam extraction in a half-sized ITER NBI ion source at ELISE test facility. Fusion Engineering and Design 217, 115130 (2025)
3.
Zeitschriftenartikel
Yordanov, D.; Wünderlich, D.; Wimmer, C.; Fantz, U.; Zielke, D.: Influence of large biased surfaces on the plasma parameters in the extraction region of a negative hydrogen ion source. Plasma Sources Science and Technology 34, 085011 (2025)
4.
Zeitschriftenartikel
Fantz, U.; Wünderlich, D.; Wimmer, C.; Barnes, M.; Harder, N. d.; Heinemann, B.; Heiler, A.; Lindqvist, M.; Merk, F.; Navarro, A. et al.: Contributions of the extended ELISE and BATMAN Upgrade test facilities to the roadmap towards ITER NBI. Nuclear Fusion 64, 086063 (2024)
5.
Zeitschriftenartikel
Wünderlich, D.; Wimmer, C.; Harder, N. d.; Barnes, M.; Fröschle, M.; Heiler, A.; Navarro, A.; Riedl, R.; Yordanov, D.; Fantz, U. et al.: Towards ITER-Relevant CW Extraction at Negative Ion Sources for Fusion. Journal of Physics: Conference Series 2743, 012026 (2024)
6.
Zeitschriftenartikel
Yordanov, D.; Wünderlich, D.; Wimmer, C.; Riedl, R.; Navarro, A.; Fantz, U.; NNBI Team, Max Planck Institute for Plasma Physics, Max Planck Society: Plasma homogeneity over the extraction beamlet groups at the half size ITER negative ion source at ELISE test facility. Journal of Physics: Conference Series 2743, 012034 (2024)
7.
Zeitschriftenartikel
Wünderlich, D.; Yordanov, D.; Riedl, R.; Heinemann, B.; Fantz, U.: Paving the road towards ITER relevant long deuterium pulses at ELISE by investigating improved operational scenarios. Journal of Instrumentation 18, C10024 (2023)
8.
Zeitschriftenartikel
Fantz, U.; Briefi, S.; Fröschle, M.; Harder, N. d.; Heiler, A.; Heinemann, B.; Hurlbatt, A.; Hopf, C.; Lindqvist, M.; Merk, F. et al.: Ion source developments at IPP: On the road towards achieving the ITER-NBI targets and preparing concepts for DEMO. Journal of Physics: Conference Series 2244, 012049 (2022)
9.
Zeitschriftenartikel
Yordanov, D.; Wünderlich, D.; Wimmer, C.; Fantz, U.: On the effect of biased surfaces in the vicinity of the large extraction area of the ELISE test facility. Journal of Physics: Conference Series 2244, 012050 (2022)
10.
Zeitschriftenartikel
Wünderlich, D.; Wimmer, C.; Riedl, R.; Bonomo, F.; Fröschle, M.; Mario, I.; Mimo, A.; Yordanov, D.; Fantz, U.; Heinemann, B.: NNBI for ITER: status of long pulses in deuterium at the test facilities BATMAN Upgrade and ELISE. Nuclear Fusion 61, 096023 (2021)

Vortrag (11)

11.
Vortrag
Wimmer, C.; Yordanov, D.; Wünderlich, D.; Knaack, J.; Hörsch, J.; Fantz, U.: Investigating the origin of the pressure dependence on the beam divergence at an RF negative hydrogen ion source. 21st International Conference on Ion Sources (ICIS 2025), Oxford (eingereicht)
12.
Vortrag
Wünderlich, D.; Knaack, J.; Mussini, D.; Navarro, A.; Riedl, R.; Yordanov, D.; Döring, A.; Fantz, U.; Mario, I.; Sartori, E. et al.: Overlap of Plasma and Beam Properties in ITER-Relevant Negative Ion Sources. 21st International Conference on Ion Sources (ICIS 2025), Oxford (eingereicht)
13.
Vortrag
Yordanov, D.; Wimmer, C.; Wünderlich, D.; Fantz, U.: Investigations on symmetrizing the plasma properties in the expansion region of large RF ion source via magnetic fields. 21st International Conference on Ion Sources (ICIS 2025), Oxford (eingereicht)
14.
Vortrag
Wimmer, C.; Barnes, M.; Döring, A.; Fröschle, M.; Harder, N. d.; Heiler, A.; Mussini, D.; Navarro, A.; Riedl, R.; Wünderlich, D. et al.: Towards long pulse operation of N-NBI ion sources. 2nd Technical Meeting on Long-Pulse Operation of Fusion Devices, Vienna (eingereicht)
15.
Vortrag
Wünderlich, D.; Fröschle, M.; Heiler, A.; Navarro, A.; Riedl, R.; Yordanov, D.; Döring, A.; Fantz, U.: CW beam extraction from the NBI test facility ELISE: Approaching the ITER target values. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (eingereicht)
16.
Vortrag
Wünderlich, D.; Fröschle, M.; Riedl, R.; Heiler, A.; Navarro, A.; Yordanov, D.; Döring, A.; Fantz, U.: ITER-relevant steady-state hydrogen beams at ELISE. 9th International Symposium on Negative Ions, Beams and Sources (NIBS 2024), Gandhinagar Gujarat (eingereicht)
17.
Vortrag
Fantz, U.; Wünderlich, D.; Wimmer, C.; Barnes, M.; Fröschle, M.; Harder, N. d.; Heinemann, B.; Heiler, A.; Merk, F.; Navarro, A. et al.: Contributions of the Extended ELISE and BATMAN Upgrade. 29th IAEA Fusion Energy Conference (FEC 2023), London (eingereicht)
18.
Vortrag
Wünderlich, D.; Wimmer, C.; Harder, N. d.; Barnes, M.; Heiler, A.; Navarro, A.; Riedl, R.; Yordanov, D.; Fantz, U.; Heinemann, B. et al.: Towards ITER-Relevant CW extraction at Negative Ion Sources for Fusion. 20th International Conference on Ion Sources (ICIS 2023), Victoria, BC (eingereicht)
19.
Vortrag
Yordanov, D.; Wünderlich, D.; Navarro, A.; Riedl, R.; Wimmer, C.; Fantz, U.; NNBI Team, Max Planck Institute for Plasma Physics, Max Planck Society: Plasma homogeneity over one extraction beamlet group at the half size ITER negative ion source at ELISE test facility. 20th International Conference on Ion Sources (ICIS 2023), Victoria, BC (eingereicht)
20.
Vortrag
Fantz, U.; Wünderlich, D.; Wimmer, C.; Briefi, S.; Friedl, R.; Heiler, A.; Berner, J.; Lindqvist, M.; Merk, F.; Mimo, A. et al.: Electronegative hydrogen plasmas: production, diagnostics and application. 25th Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases (ESCAMPIG 2022), Paris (eingereicht)