Publications of H. P. Laqua

Polei, N. S.; Stange, T.; Noke, F.; Hollmann, F.; Laqua, H. P.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Development of an ECRH plasma start-up scenario for X3 heating at 1.8 T at Wendelstein 7-X. DPG-Frühjahrstagung 2024, Greifswald (submitted)

Ponomarenko, S.; Moseev, D.; Stange, T.; Braune, H.; Gantenbein, G.; Jelonnek, J.; Krier, L.; Kuleshov, A.; Laqua, H. P.; Lechte, C. et al.; Marsen, S.; Nielsen, S. K.; Oosterbeek, J. W.; Plaum, B.; Ragona, R.; Rasmussen, J.; Ruess, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Development and Commissioning of Upgraded Microwave Radiometer for CTS Diagnostics at W7-X Stellarator. 5th European Conference on Plasma Diagnostics (ECPD 2023), Rethymno (submitted)

Stange, T.; Bailey, D.; Bozhenkov, S.; Brunner, K.-J.; Ford, O.; Fuchert, G.; Gao, Y.; Grulke, O.; Jakubowski, M.; Laqua, H. P. et al.; Lazerson, S.; Marsen, S.; Moseev, D.; Plaum, P.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society; W7-X ECRH Team at KIT; IGVP Stuttgart: Performance of the ECRH system of Wendelstein 7-X with regard to long pulse operation and high performance plasmas in the campaign OP2.1. 49th EPS Conference on Plasma Physics, Bordeaux (submitted)

Krier, L.; Avramidis, K.; Braune, H.; Gantenbein, G.; Illy, S.; Jelonnek, J.; Laqua, H.; Marsen, S.; Moseev, D.; Noke, F. et al.; Ruess, T.; Stange, T.; Thumm, M.; Wolf, R. C.: Progress on the Frequency Stabilization of MW-Class 140 GHz Gyrotrons at W7-X with a Phase-Locked Loop. 21st Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Saint-Paul-lez-Durance (submitted)

Krier, L.; Avramidis, K. A.; Braune, H.; Gantenbein, G.; Illy, S.; Jelonnek, J.; Laqua, H. P.; Marsen, S.; Moseev, D.; Noke, F. et al.; Ruess, T.; Stange, T.; Thumm, M.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Experimental Results of a PLL-stabilized MW-Class 140 GHz Gyrotron at W7-X. 8th ITG International Vacuum Electronics Workshop (IVEW) 2022 , Bad Honnef (submitted)

Laqua, H. P.; Leggieri, A.; Lechte, C.; Moseev, D.; Legrand, F.; Gantenbein, G.; Oosterbeek, H.; Braune, H.; Chelis, I.; Jin, J. et al.; Jelonnek, J.; Tigelis, J.; Avramidis, K.; Krier, L.; Thumm, M.; Wolf, R. C.; Illy, S.; Marsen, S.; Ruess, T.; Rzesnicki, T.; Stange, T.; Ioannidis, Z.: The ECRH-Power Upgrade at the Wendelstein 7-X Stellarator. 21st Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Saint-Paul-lez-Durance (submitted)

Moseev, D.; Kasahara, H.; Tamura, N.; Tanaka, K.; Igami, H.; Funaba, H.; Seki, T.; Yamada, I.; Yoshinuma, M.; Ida, K. et al.; Kinoshita, T.; Sakai, H.; Smith, H. M.; Laqua, H. P.; Ochoukov, R.; Bobkov, V.; Lazerson, S. A.; Reimold, F.; Hartmann, D.; Alers, B.; Xanthopoulos, P.; Kazakov, Y. O.; Salewski, M.: Accelerated impurity exhaust by means of ICRF heating at LHD. 23rd International Stellarator and Heliotron Workshop (ISHW 2022), Warsaw (submitted)

Ponomarenko, S.; Moseev, D.; Stange, T.; Windisch, T.; Vlasenko, S.; Khutoryan, E.; Kuleshov, A.; Laqua, H. P.: Radiation Pattern Measurements of Corrugated Horn Antenna with 175 GHz Clinotron. 2022 IEEE 2nd Ukrainian Microwave Week (IEEE UkrMW 2022), Kharkiv (submitted)

Stange, T.; Brunner, K.-J.; Laqua, H. P.; Lechte, C.; Marsen, S.; Plaum, B.; Bräuer, T.; Dhard, C. P.; Endler, M.; Grigore, E. et al.; Marushchenko, N.; Naujoks, D.; Turkin, Y.; Wolf, R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Triple-Beampath-scenario for O2-heating at Wendelstein 7-X: experience of OP1.2 and final improvements for OP2. 21st Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Saint-Paul-lez-Durance (submitted)

Zanini, M.; Aleynikova, K.; Buttenschön, B.; Brandt, C.; Braune, H.; Brunner, K. J.; Dinklage, A.; Gao, Y.; Hirsch, M.; Höfel, U. et al.; Knauer, J.; Laqua, H. P.; Marsen, S.; Marushchenko, N.; Pavone, A.; Rahbarnia, K.; Schilling, J.; Stange, T.; Strumberger, E.; Thomsen, H.; Turkin, Y.; Wolf, R. C.; Yu, Q.; Zocco, A.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Sawtooth-like crashes at W7-X. 23rd International Stellarator and Heliotron Workshop (ISHW 2022), Warsaw (submitted)

Beurskens, M. N. A.; Bozhenkov, S.; Fable, E.; Fuchert, G.; Ford, O.; Reisner, M.; Scott, E. R.; Stechow, A. v.; Stober, J.; Turkin, Y. et al.; Weir, G.; Xanthopoulos, P.; Alcuson, J. A.; Angioni, C.; Baldzuhn, J.; Beidler, C.; Birkenmeier, G.; Burhenn, R.; Dinklage, A.; Geiger, B.; Grulke, O.; Hirsch, M.; Jakubowski, M.; Laqua, H.; Lazerson, S.; Schneider, P.; Stange, T.; Stroth, U.; Warmer, F.; Wegner, T.; Zhang, D.; Wolf, R. C.; Zohm, H.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Combatting turbulent transport in the Wendelstein 7-X stellarator; a comparison to the ASDEX Upgrade tokamak. 4th Asia Pacific Conference on Plasma Physics (AAPPS-DPP 2020), Virtual (submitted)

Beurskens, M. N. A.; Bozhenkov, S.; Fable, E.; Fuchert, G.; Ford, O.; Reisner, M.; Scott, E.; Stechow, A. v.; Stober, J.; Turkin, Y. et al.; Weir, G.; Xanthopoulos, P.; Alcuson, J.; Angioni, C.; Baldzuhn, J.; Beidler, C. D.; Birkenmeier, G.; Burhenn, R.; Dinklage, A.; Grulke, O.; Hirsch, M.; Jakubowski, M.; Laqua, H.; Lazerson, S.; Schneider, P. A.; Stange, T.; Stroth, U.; Warmer, F.; Wegner, T.; Zhang, D.; Wolf, R. C.; Zohm, H.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Confinement in Electron Heated Plasmas in Wendelstein 7-X and ASDEX-Upgrade: The Necessity to Control Turbulent Transport. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Endler, M.; Baldzuhn, J.; Beidler, C. D.; Bosch, H.-S.; Bozhenkov, S.; Buttenschön, B.; Dinklage, A.; Fellinger, J.; Feng, Y.; Fuchert, G. et al.; Gao, Y.; Geiger, J.; Grulke, O.; Hartmann, D.; Jakubowski, M.; König, R.; Laqua, H. P.; Lazerson, S.; McNeely, P.; Naujoks, D.; Neuner, U.; Otte, M.; Pasch, E.; Pedersen, T. S.; Perseo, V.; Puig Sitjes, A.; Rahbarnia, K.; Rust, N.; Schmitz, O.; Spring, A.; Stange, T.; Stechow, A. v.; Turkin, Y.; Wang, E.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Wendelstein 7-X on the path to long-pulse high-performance operation. 31st Symposium on Fusion Technology (SOFT 2020), Virtual Edition (submitted)

Ford, O. P.; Beurskens, M.; Bozhenkov, S.; Äkäslompolo, S.; Lazerson, S.; Alcuson, J.; Alonso, A.; Beidler, C.; Dinklage, A.; Fuchert, G. et al.; Hartmann, D.; McNeely, P.; Hirsch, M.; Laqua, H.; Stange, T.; Stechow, A. v.; Turkin, Y.; Vano, L.; Xanthopoulos, P.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Turbulence reduced high performance scenarios in Wendelstein 7-X, on the path to a steady-state reactor. 47th EPS Conference on Plasma Physics, Virtual (submitted)

Illy, S.; Avramidis, K.; Ioannidis, Z.; Aiello, G.; Benin, P.; Chelis, I.; Dinklage, A.; Gantenbein, G.; Jelonnek, J.; Jin, J. et al.; Laqua, H.; Leggieri, A.; Legrand, F.; Marek, A.; Marsen, S.; Pagonakis, I.; Ruess, T.; Rzesnicki, T.; Scherer, T.; Strauss, D.; Thumm, M.; Tigelis, I.; Wagner, D.; Weggen, J.; Wolf, R. C.: Recent Development of a 1.5 MW, 140 GHz Continuous-Wave Gyrotron for the Upgraded ECRH System at W7-X. 45th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz 2020) (Virtual Edition), Buffalo, NY (submitted)

Krier, L.; Pagonakis, I. G.; Avramidis, K. A.; Gantenbein, G.; Illy, S.; Jelonnek, J.; Jin, J.; Laqua, H. P.; Marek, A.; Moseev, D. et al.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Considerations for the Operation of a 140 GHz 1 MW Gyrotron at 175 GHz for CTS Plasma Diagnostics at W7-X. 7th ITG International Vacuum Electronics Workshop (IVEW) 2020 and 13th International Vacuum Electron Sources Conference (IVeSC) 2020, Bad Honnef (submitted)

Laqua, H. P.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Steady State ECRH Operation at the W7-X Stellarator. 29th International Toki Conference on Plasma and Fusion Research (ITC 29) (Virtual), Ceratopia Toki, Toki-city, Gifu (submitted)

Laqua, H. P.; Baldzuhn, J.; Braune, H.; Bozhenkov, S.; Brunner, K.; Hirsch, M.; Hoefel, U.; Knauer, J.; Langenberg, A.; Marsen, S. et al.; Moseev, D.; Pablant, N.; Pasch, E.; Stange, T.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Characteristics of ECRH-plasmas at the W7-X Stellarator. 4th Asia Pacific Conference on Plasma Physics (AAPPS-DPP 2020), Virtual (submitted)

Oosterbeek, J. W.; Stern, M.; Hirsch, M.; Laqua, H.; Marsen, S.; Noke, F.; Stange, T.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: ITER ECRH protection: Microwave stray radiation exposure of in-vessel components. 62nd Annual Meeting of the APS Division of Plasma Physics, Virtual Edition (submitted)

Yu, Q.; Strumberger, E.; Igochine, V.; Lackner, K.; Laqua, H. P.; Zanini, M.; Höfel, U.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society; Günter, S.: Nonlinear numerical modeling for understanding electron temperature crashes observed in W7-X experiments. 47th EPS Conference on Plasma Physics, Virtual (submitted)