Publications of H. Laqua

Laqua, H.; Braune, H.; Brunner, J.; Marsen, S.; Moseev, D.; Stange, T.; Wolf, R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Towards steady state high performance ECRH plasmas at W7-X. 61st Annual Meeting of the APS Division of Plasma Physics, Fort Lauderdale, FL (2019)

Leggieri, A.; Alberti, S.; Avramidis, K.; Dammertz, G.; Erckmann, V.; Gantenbein, G.; Hogge, J.-P.; Illy, S.; Ioannidis, Z.; Jelonnek, J. et al.; Jin, J.; Laqua, H.; Legrand, F.; Lievin, C.; Marchesin, R.; Pagonakis, I.; Rzesnicki, T.; Thouvenin, P.; Thumm, M.; Wolf, R.: THALES TH1507 140 GHz 1 MW CW Gyrotron for W7-X Stellarator. 44th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz 2019), Paris (submitted)

Pablant, N.; Alonso, A.; Baldzuhn, J.; Beidler, C. D.; Bötteger, L.G.; Bozhenkov, S.; Burhenn, R.; Brunner, K. J.; Carralero, D.; Dinklage, A. et al.; Edlund, E.; Fuchert, G.; Ford, O.; Gates, D. A.; Geiger, J.; Grulke, O.; Hirsch, M.; Höfel, U.; Huang, Z.; Kazakov, Y. O.; Knauer, J.; Krychowiak, M.; Kring, J.; Laqua, H.; Landreman, M.; Langenberg, A.; Lazerson, S.; Maaßberg, H.; Marchuck, O.; Mollen, A.; Pasch, E.; Pavone, A.; Porkolab, M.; Satake, S.; Schröder, T.; Smith, H.; Svensson, J.; Traverso, P.; Turkin, Y.; Velasco, J. L.; Stechow, A. v.; Warmer, F.; Windisch, T.; Weir, G.; Wolf, R. C.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Validation of neoclassical ambipolar radial electric fields in ion-root plasmas on Wendelstein 7-X. 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (submitted)

Pablant, N.; Langenberg, A.; Alonso, A.; Baldzuhn, J.; Beidler, C. D.; Böttger, L. G.; Bozhenkov, S.; Burhenn, R.; Brunner, K. J.; Dinklage, A. et al.; Edlund, E.; Fuchert, G.; Ford, O.; Gates, D.A.; Geiger, J.; Grulke, O.; Hirsch, M.; Höfel, U.; Huang, Z.; Kazakov, Y.; Knauer, J.-P.; Krychowiak, M.; Kring, J.; Laqua, H.; Landreman, M.; Lazerson, S.; Maaßberg, H.; Marchuck, O.; Mollen, A.; Pasch, E.; Pavone, A.; Porkolab, M.; Satake, S.; Schroeder, T.; Smith, H. M.; Svensson, J.; Traverso, P.; Turkin, Y.; Velasco, J. L.; Stechow, A. v.; Warmer, F.; Weir, G.; Wolf, R. C.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: H-mode Role of the radial electric field in Wendelstein 7-X. 46th EPS Conference on Plasma Physics, Milan (submitted)

Wauters, T.; Borodin, D.; Brakel, R.; Brezinsek, S.; Coda, S.; Dinklage, A.; Douai, D.; Hakola, A.; Joffrin, E.; Loarer, T. et al.; Laqua, H.; Lyssoivan, A.; Moiseenko, V.; Ongena, J.; Ricci, D.; Rohde, V.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society; TCV Team; EUROfusion MST1 Team; JET Contributors; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Wall conditioning in fusion devices with superconducting coils. 46th EPS Conference on Plasma Physics, Milan (submitted)

Abramovic, I.; Moseev, D.; Salewski, M.; Stejner, M.; Pavone, A.; Stange, T.; Leipold, F.; Nielsen, S.; Svensson, J.; Lopes Cardozo, N. J. et al.; Laqua, H. P.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Collective Thomson Scattering on Wendelstein 7-X. 45th EPS Conference on Plasma Physics, Prague (submitted)

Abramovic, I.; Moseev, D.; Stejner, M.; Stange, T.; Laqua, H. P.; Leipold, F.; Nielsen, S.; Salewski, M.; Kasparek, W.; Svensson, J. et al.; Pablant, N.; Lopes Cardozo, N. J.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: First Results of the Collective Thomson Scattering Diagnostic on Wendelstein 7-X. NNV-Symposium on Plasma Physics and Radiation Technology, Lunteren (submitted)

Avramidis, K. A.; Ruess, T.; Mentgen, F.; Gantenbein, G.; Illy, S.; Ioannidis, Z. C.; Jin, J.; Laqua, H. P.; Pagonakis, I. G.; Rzesnicki, T. et al.; Thumm, M.; Wagner, D.; Wolf, R. C.; Jelonnek, J.: Studies towards an upgraded 1.5 MW gyrotron for W7-X. 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Greifswald (submitted)

Braune, H.; Brunner, K. J.; Laqua, H. P.; Marsen, S.; Moseev, D.; Noke, F.; Purps, F.; Schneider, N.; Schulz, T.; Stange, T. et al.; Uhren, P.; Wilde, F.: Concurrent operation of 10 gyrotrons at W7-X – experience and improvement opportunities. 30th Joint Russian-German Meeting on ECRH and Gyrotrons, Nizhny Novgorod (submitted)

Braune, H.; Brunner, K. J.; Laqua, H. P.; Marsen, S.; Moseev, D.; Noke, F.; Purps, F.; Schneider, N.; Schulz, T.; Stange, T. et al.; Uhren, P.; W7-X ECRH Team, Max Planck Institute for Plasma Physics, Max Planck Society; W7-X ECRH Team at IGVP Stuttgart; W7-X ECRH Team at KIT Karlsruhe: ECRH at W7-X – concurrent operation of 10 gyrotrons. 43rd International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz 2018), Nagoya (submitted)

Brunner, K. J.; Laqua, H. P.; Marsen, S.; Moseev, D.; Stange, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: O2 ECRH as a reliable high-performance scenario for W7-X. 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Greifswald (submitted)

Fellinger, J.; Baldzuhn, J.; Endler, M.; Äkäslompolo, S.; Gao, Y.; Ali, A.; Drewelow, P.; Niemann, H.; Jakubowski, M.; Dutz, H. et al.; Winters, V.; Brezinsek, S.; Buttenschön, B.; Schlisio, G.; Goriaev, A.; Laqua, H. P.; Stange, T.; Hartmann, D.; Krychowiak, M.; Stechow, A. v.; Wegner, T.; König, R.; Bosch, H.-S.; Pedersen, T. S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: W7-X: Technology progress of the experimental campaign with divertor plasmas. 30th Symposium on Fusion Technology (SOFT 2018), Giardini Naxos (submitted)

Fuchert, G.; Brunner, K. J.; Rahbarnia, K.; Stange, T.; Zhang, D.; Baldzuhn, J.; Beidler, C. D.; Bozhenkov, S.; Burhenn, R.; Damm, H. et al.; Dinklage, A.; Hirsch, M.; Kazakov, Y. O.; Knauer, J.; Feng, Y.; Langenberg, A.; Laqua, H. P.; Lazerson, S.; Pablant, N.; Pasch, E.; Pedersen, T. S.; Scott, E. R.; Warmer, F.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Increasing the Density in W7-X: Benefits and Limitations. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (submitted)

Jelonnek, J.; Aiello, G.; Albajar, F.; Alberti, S.; Avramidis, K.; Bonicelli, T.; Bruschi, A.; Chelis, J.; Franke, T.; Gantenbein, G. et al.; Garavaglia, S.; Granucci, G.; Grossetti, G.; Hogge, J.-P.; Illy, S.; Ioannidis, Z. C.; Jin, J.; Kalaria, P.; Laqua, H. P.; Latsas, G. P.; Pagonakis, I. G.; Peponis, D. V.; Rzesnicki, T.; Ruess, S.; Ruess, T.; Sanchez, P.; Scherer, T.; Schmid, M.; Strauss, D.; Thumm, M.; Tigelis, I.; Tran, M. Q.; Wilde, F.; Wu, C.: 2018 Status of Gyrotron R&D for W7-X, TCV, ITER and EU DEMO within Europe. 2018 US-EU-Japan RF Heating Technology Workshop and US-Japan Workshop on RF Heating Physics, Shizuoka (submitted)

Laqua, H. P.; Baldzuhn, J.; Braune, H.; Bozhenkov, S.; Brunner, K. J.; Kazakov, Y. O.; Marsen, S.; Moseev, D.; Stange, T.; Wolf, R. C. et al.; Zanini, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Overview of W7-X ECRH Results. 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Greifswald (submitted)

Laqua, H. P.; Baldzuhn, J.; Braune, H.; Bozhenkov, S.; Brunner, K. J.; Kazakov, Y. O.; Marsen, S.; Moseev, D.; Stange, T.; Wolf, R. C. et al.; Zanini, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Overview of the ECRH experiments at Wendelstein 7-X. 30th Joint Russian-German Meeting on ECRH and Gyrotrons, Nizhny Novgorod (submitted)

Marsen, S.; Brunner, K. J.; Laqua, H. P.; Moseev, D.; Stange, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Stray radiation in Wendelstein 7-X – Experience from the fist experimental campaigns. 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Greifswald (submitted)

Marushchenko, N. B.; Aleynikov, P.; Beidler, C. D.; Dinklage, A.; Geiger, J.; Helander, P.; Laqua, H. P.; Maaßberg, H.; Turkin, Y.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Mixed Scenarios with X3 heating in W7-X. 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Greifswald (submitted)

Stange, T.; Laqua, H. P.; Bozhenkov, S.; Brunner, K. J.; Fuchert, G.; Hoefel, U.; Kasparek, W.; Kazakov, Y.; Marsen, S.; Moseev, D. et al.; Plaum, B.; Wolf, R.; Zanini, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Electron cyclotron heating scenarios for long pulse and high performance operation at the stellarator Wendelstein 7‑X. 60th Annual Meeting of the APS Division of Plasma Physics, Portland, OR (submitted)

Stange, T.; Laqua, H. P.; Brunner, K. J.; Erckmann, V.; Kasparek, W.; Marsen, S.; Moseev, D.; Plaum, B.; Wolf, R. C.; Zanini, M. et al.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Commissioning and first plasma operation of two remote steering launchers at Wendelstein 7-X. 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Greifswald (submitted)