Publications of H. P. Laqua

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)

Avramidis, K. A.; Ioannidis, Z. C.; Aiello, G.; Chelis, I.; Dinklage, A.; Gantenbein, G.; Illy, S.; Jin, J.; Laqua, H. P.; Marek, A. et al.; Marsen, S.; Noke, F.; Pagonakis, I. G.; Ruess, T.; Rzesnicki, T.; Stange, T.; Strauss, D.; Thumm, M.; Tigelis, I.; Wagner, D.; Weggen, J.; Wolf, R. C.; Jelonnek, J.: Progress in the Development of a 1.5 MW, 140 GHz Gyrotron for the Upgrade of the ECRH System at W7-X. US-EU-JPN RF Heating Technology Workshop: Workshop on RF Heating Technology of Fusion Plasmas 2019, Freiburg (submitted)

Bozhenkov, S. A.; Beurskens, M. N. A.; Ford, O.; Kazakov, Y.; Alonso, J. A.; Alcuson, J.; Baldzuhn, J.; Brunner, K. J.; Damm, H.; Fuchert, G. et al.; Geiger, J.; Hirsch, M.; Höfel, U.; Knauer, J.; Langenberg, A.; Laqua, H. P.; Marushchenko, N. B.; Pablant, N.; Pasch, E.; Rahbarnia, K.; Scott, E. R.; Stange, T.; Stechow, A. v.; Turkin, Y.; Xanthopoulos, P.; Zhang, D.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Evidence of Turbulence-Induced Ion Temperature Limitations in Wendelstein 7-X. 61st Annual Meeting of the APS Division of Plasma Physics, Fort Lauderdale, FL (submitted)

Braune, H.; Laqua, H. P.; Brunner, K. J.; Marsen, S.; Moseev, D.; Noke, F.; Purps, F.; Schneider, N.; Schulz, T.; Stange, T. et al.; Uhren, P.; Wilde, F.; Zanini, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society; W7-X Team at IGVP Stuttgart; W7-X Team at KIT Karlsruhe: ECRH with 10 gyrotrons at W7-X – achievements and enhancements. 44th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz 2019), Paris (submitted)

Jakubowski, M.; Brezinsek, S.; Drewelow, P.; Kremeyer, T.; Laqua, H.; Niemann, H.; Winters, V.; Buttenschön, B.; Dinklage, A.; Gao, Y. et al.; Endler, M.; Pedersen, T. S.; Schmitz, O.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Long-pulse operation of Wendelstein 7-X in attached scenarios. 24th International Conference on Plasma Surface Interactions in Controlled Fusion Devices (PSI 24) (virtual), Jeju (submitted)

Jakubowski, M.; Krychowiak, M.; König, R.; Gao, Y.; Niemann, H.; Laqua, H.; Otte, M.; Schmitz, O.; Pedersen, T. S.; Winters, V. et al.; Anda, G.; Brezinsek, S.; Barbui, T.; Biedermann, C.; Bozhenkov, S.; Cannas, B.; Drewelow, P.; Dunai, D.; Effenberg, F.; Endler, M.; Ennis, D. A.; Ford, O.; Fuchert, G.; Gradic, D.; Hammond, K.; Harris, J.; Hirsch, M.; Knauer, J.; Kornejew, P.; Kocsis, G.; Kremeyer, T.; Pasch, E.; Perseo, V.; Reimold, F.; Rudischhauser, L.; Schlisio, G.; Puig Sitjes, A.; Sleczka, M.; Pisano, F.; Stange, T.; Szepesi, T.; Wang, E.; Wenzel, U.; Vecsei, M.; Zhang, D.; Zoletnik, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Towards steady-state operation of island divertor at Wendelstein 7-X. 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (submitted)

Jelonnek, J.; Aiello, G.; Albajar, F.; Alberti, S.; Avramidis, K. A.; Bertinetti, A.; Brücker, P. T.; Bruschi, A.; Chelis, I.; Dubray, J. et al.; Fanale, F.; Fasel, D.; Franke, T.; Gantenbein, G.; Garavaglia, S.; Genoud, J.; Granucci, G.; Hogge, J.-P.; Illy, S.; Ioannidis, Z. C.; Jin, J.; Laqua, H.; Latsas, G. P.; Leggieri, A.; Legrand, F.; Marchesin, R.; Marek, A.; Marletaz, B.; Obermaier, M.; Pagonakis, I. G.; Peponis, D. V.; Ruess, S.; Ruess, T.; Rzesnicki, T.; Sanchez, P.; Savoldi, L.; Scherer, T.; Strauss, D.; Thouvenin, P.; Thumm, M.; Tigelis, I.; Tran, M.-Q.; Wilde, F.; Wu, C.; Zisis, A.: From W7-X Towards ITER and Beyond: 2019 Status on EU Fusion Gyrotron Developments. 20th International Vacuum Electronics Conference (IVEC 2019), Busan (submitted)

Laqua, H. P.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Overview of W7-X Results in the Operation Phase OP1.2. 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (submitted)