Publications of S. Marsen

Leggieri, A.; Avramidis, K. A.; Chelis, I.; Difonzo, R.; Ell, B.; Feuerstein, L.; Gajetti, E.; Gantenbein, G.; Gontard, J.; Illy, S. et al.; Ioannidis, Z.; Jelonnek, J.; Jin, J.; Kohler, S.; Laqua, H.; Legrand, F.; Lievin, C.; Marchesin, R.; Marsen, S.; Noke, F.; Oumar, I. M.; Ponomarenko, S.; Ruess, T.; Rzesnicki, T.; Savoldi, L.; Stanculovic, S.; Stange, T.; Tigelis, I.; Vallee, E.; Wolf, R.; Thumm, M.: THALES TH1507U 140 GHz 1.5 MW CW Industrial Gyrotron for W7-X ECRH System Upgrade. Combined 25th Annual IEEE International Vacuum Electronics Conference + 15th Annual International Vacuum Electron Sources Conference (IVEC + IVESC 2024), Monterey, CA (submitted)

Leggieri, A.; Avramidis, K. A.; Chelis, I.; Difonzo, R.; Feuerstein, L.; Gajetti, E.; Gantenbein, G.; Illy, S.; Ioannidis, Z.; Jelonnek, J. et al.; Jin, J.; Kohler, S.; Laqua, H.; Legrand, F.; Lievin, C.; Marsen, S.; Noke, F.; Rzesnicki, T.; Savoldi, L.; Stanculovic, S.; Tigelis, I.; Thumm, M.: The THALES TH1507U 140 GHz 1.5 MW CW Industrial Gyrotron for W7-X ECRH Upgrade. Symposium on Plasma Physics and Technology (SPPT 2024), Prague (submitted)

Stange, T.; Bailey, D.; Bozhenkov, S.; Braune, H.; Brunner, K.-J.; Ford, O.; Fuchert, G.; Grigore, E.; Grulke, O.; Laqua, H. P. et al.; Lazerson, S.; Marsen, S.; Moseev, D.; Oosterbeek, H.; Plaum, B.; Wolf, R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Performance of the ECRH system of Wendelstein 7-X during the experimental campaign OP2.1. 22nd Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-22), Daejeon (submitted)

Laqua, H. P.; Braune, H.; Marsen, S.; Moseev, D.; Oosterbeek, H.; Stange, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Experiences from long-pulse ECRH operation at W7-X. 65th Annual Meeting of the APS Division of Plasma Physics, Denver, CO (submitted)

Leggieri, A.; Albajar, F.; Alberti, S.; Avramidis, K. A.; Bariou, D.; Bin, W.; Bruschi, A.; Chelis, I.; Difonzo, R.; Ell, B. et al.; Fanale, F.; Feuerstein, L.; Gajetti, E.; Gantenbein, G.; Genoud, J.; Goodman, T. P.; Hogge, J.-P.; Illy, S.; Ioannidis, Z.; Jelonnek, J.; Jin, J.; Kohler, S.; Latsas, G.; Laqua, H.; Legrand, F.; Lievin, C.; Marchesin, R.; Marek, A.; Marsen, S.; Noke, F.; Peponis, D.; Ponomarenko, S.; Ruess, T.; Rzesnicki, T.; Sanchez, F.; Savoldi, L.; Stanculovic, S.; Stange, T.; Tigelis, I.; Torreblanca, H.; Vallee, E.; Wolf, R.; Zelkas, A.; Thumm, M.: Progress of European Industrial Gyrotron Developments for Nuclear Fusion. 24th International Vacuum Electronics Conference (IVEC), Chengdu (2023)

Moseev, D.; Ponomarenko, S.; Laqua, H. P.; Stange, T.; Nielsen, S. K.; Braune, H.; Gantenbein, G.; Illy, S.; Jelonnek, J.; Kasparek, W. et al.; Krier, L.; Lechte, C.; Marsen, S.; Nishiura, M.; Plaum, B.; Ragona, R.; Ruess, T.; Salewski, M.; Stordiau, P.; Wolf, R. C.; Zimmermann, J.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Commissioning and first results of the 174 GHz CTS diagnostic at W7-X. 20th International Symposium on Laser-Aided Plasma Diagnostics 2023 (LAPD20), Kyoto (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)

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)

Groth, M.; Aleiferis, S.; Boerner, P.; Borodin, D.; Brezinsek, S.; Coffey, I.; Corrigan, C.; Guillemaut, C.; Harting, D.; Horsten, N. et al.; Jachmich, S.; Karhunen, J.; Kumpulainen, H.; Huber, A.; Lawson, K. D.; Lomanowski, B.; Maggi, C. F.; Marsen, S.; Meigs, A. G.; Menmuir, S.; Pawlec, E.; Reiter, D.; Shaw, A.; Solokha, V.; Stamp, M. F.; Wiesen, S.; Brix, M.; Carvalho, I.; Carvalho, P.; Clever, M.; Luna, E. d. l.; Drewelow, P.; Flanagan, J.; Holm, A.; Jaervinen, A. E.; Lehnen, M.; Pereira, T.; Silburn, S.; Silva, C.; Thomas, B.; JET Contributors: Hydrogenic atomic and molecular emission measurements in JET-ILW for assessing the role ion-molecular interaction in divertor detachment. Joint IAEA-FZJ Technical Meeting on the Collisional-Radiative Properties of Tungsten and Hydrogen in Edge Plasma of Fusion Devices, Virtual (2021)

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)

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)

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)

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)

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)