Publications of H. P. Laqua

Weller, A.; Geiger, J.; Werner, A.; Zarnstorff, M. C.; Nührenberg, C.; Sallander, E.; Baldzuhn, J.; Brakel, R.; Burhenn, R.; Dinklage, A. et al.; Fredrickson, E.; Gadelmeier, F.; Giannone, L.; Grigull, P.; Hartmann, D.; Jaenicke, R.; Klose, S.; Knauer, J. P.; Könies, A.; Kolesnichenko, Y. I.; Laqua, H. P.; Lutsenko, V. V.; McCormick, K.; Monticello, D.; Osakabe, M.; Pasch, E.; Reiman, A.; Rust, N.; Spong, D. A.; Wagner, F.; Yakovenko, Y. V.; W7-AS Team; NBI-Group: Experiments close to the beta-limit in W7-AS. 30th EPS Conference on Controlled Fusion and Plasma Physics, St. Petersburg (2003)

Laqua, H. P.: Elektron-Bernstein-Wellen: Wenn die Wellenlängen kleiner werden als die Gyrationsradien. Greifswalder Physikalisches Kolloquium, Universität Greifswald (2003)

Aiello, G.; Gantenbein, G.; Gorr, B.; Jelonnek, J.; Laqua, H. P.; Meier, A.; Scherer, T.; Schreck, S.; Strauss, D.; Thumm, M.: The W7-X ECRH gyrotron diamond output window: oil and water cooled window performance at 1.5 MW operation. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)

Laqua, H. P.; Ponomarenko, S.; Gantenbein, G.; Jelonnek, J.; Rzesnicki, T.: Breaking Symmetry in Gyrotrons by Schroeder Diffusor Structures. 22nd Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-22), Daejeon (submitted)

Marsen, S.; Braune, H.; Krier, L.; Laqua, H. P.; Moseev, D.; Oosterbeek, J. W.; Stange, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Upgrades of the Wendelstein 7-X ECRH plant towards higher power and reliable steady state operation. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)

Oosterbeek, J. W.; Hirsch, M.; Laqua, H. P.; Marsen, S.; Moro, A.; Moseev, D.; Sirinelli, A.; Sozzi, C.; Stange, T.; Stern, M. et al.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Microwave stray radiation measurement techniques. 33rd Symposium on Fusion Technology (SOFT 2024), Dublin (submitted)

Ponomarenko, S.; Laqua, H. P.; Krier, L.; Moseev, D.; Oosterbeek, J. W.; Marsen, S.; Stange, T.: Mode Selectivity of Cylindrical Cavities with Irregular Corrugation. Combined 25th Annual IEEE International Vacuum Electronics Conference + 15th Annual International Vacuum Electron Sources Conference (IVEC + IVESC 2024), Monterey, CA (submitted)

Siusko, Y.; Kovtun, Y.; Moiseenko, V. E.; Shapoval, A. M.; Stange, T.; Goriaev, A.; Naujoks, D.; Dhard, C. P.; Buttenschön, B.; Brunner, K. J. et al.; Laqua, H.; Dinklage, A.; Brezinsek, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Wendelstein 7-X ultrashot electron cyclotron resonance heating discharge for wall conditioning. 50th EPS Conference on Plasma Physics, Salamanca (submitted)

Zanini, M.; Brunner, K. J.; Brandt, C.; Ford, O.; Hirsch, M.; Knauer, J.; Laqua, H.; Marsen, S.; Marushchenko, N.; Rahbarnia, K. et al.; Stange, T.; Thomsen, H.; Wolf, R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Rotational transform tailoring by means of Electron Cyclotron Current Drive at Wendelstein 7-X. 24th International Stellarator and Heliotron Workshop (ISHW 2024), Hiroshima (submitted)

Kovtun, Y. V.; Moiseenko, V. E.; Lozin, A. V.; Kozulya, M. M.; Pavlichenko, R. O.; Zamanov, N. V.; Shapoval, A. N.; Bondarenko, V. N.; Baron, D. I.; Maznichenko, S. M. et al.; Korovin, V. B.; Siusko, Y. V.; Romanov, V. S.; Martseniuk, Y. P.; Krasiuk, A. Y.; Listopad, V. M.; Garkusha, I. E.; Alonso, A.; Dinklage, A.; Hartmann, D.; Kasakov, Y.; Laqua, H.; Ongena, J.; Stange, T.; Wauters, T.; Uragan-2M Team: ICRF production of plasma with hydrogen minority in Uragan-2M stellarator by two-strap antenna. International Conference on Research and Applications of Plasmas – PLASMA 2023, Warsaw (2023)

Marsen, S.; Bailey, D.; Braune, H.; Laqua, H. P.; Moseev, D.; Stange, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Performance of the Wendelstein 7-X ECRH Plant during the Second Operational Phase. 29th IAEA Fusion Energy Conference (FEC 2023), London (submitted)

Moseev, D.; Zanini, M.; Kasahara, H.; Laqua, H. P.; Funaba, H.; Hayashi, W. H. J.; Heidbrink, W.; Ida, K.; Igami, H.; Kawamoto, Y. et al.; Kenmochi, N.; Lazerson, S. A.; Nishiura, M.; Ochoukov, R.; Rud, M.; Salewski, M.; Seki, T.; Tamura, N.; Tanaka, K.; Yoshinuma, M.: First evidence of the fast ion redistribution due to sawtooth crashes in a stellarator. 29th IAEA Fusion Energy Conference (FEC 2023), London (submitted)

Oosterbeek, J. W.; Stern, M.; Chaudhary, N.; Hirsch, M.; Brunner, K. J.; Cu Castillo, H. I.; Höfel, U.; Krämer-Fecken, A.; Laqua, H. P.; Marsen, S. et al.; Moseev, D.; Pak, S.; Schmuck, S.; Stange, T.; Wolf, R. C.; Wagner, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Diagnostic challenges in ECW heated plasmas. 49th EPS Conference on Plasma Physics, Bordeaux (submitted)

Zanini, M.; Aleynikova, K.; Brandt, C.; Braune, H.; Brunner, K. J.; Hirsch, M.; Höfel, U.; Knauer, J.; Laqua, H. P.; Marsen, S. et al.; Merlo, A.; Pavone, A.; Rahbarnia, K.; Schilling, J.; Smith, T.; Stange, T.; Thomsen, H.; Wolf, R. C.; Zocco, A.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Automated W7-X sawtooth crash analysis and characterization. 29th IAEA Fusion Energy Conference (FEC 2023), London (submitted)

Zhang, D.; Gao, Y.; Feng, Y.; Endler, M.; Biedermann, C.; Cseh, G.; Kocsis, G.; Laube, R.; Partesotti, G.; Reimold, F. et al.; Buttenschön, B.; Jakubowski, M.; Krychowiak, M.; Brunner, K. J.; Geiger, J.; Hirsch, M.; Knauer, J.; Laqua, H. P.; Rahbarnia, K.; Winters, V. R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: 2D structure of the radiation layer in W7-X and the impact of plasma surface interactions on shaping the profiles. 26th International Conference on Plasma Surface Interaction in Controlled Fusion Devices (PSI 26), Marseille (submitted)

Ebadi, H.; Difonzo, R.; Laqua, H.; Schneider, N.; Savoldi, L.: A multi-scale hybrid approach to the modelling and design of a novel cooling structure for the W7X divertor. 32nd Symposium on Fusion Technology (SOFT 2022), Dubrovnik, Virtual (submitted)

Jin, J.; Avramidis, K.; Gantenbein, G.; Ioannidis, Z.; Illy, S.; Jelonnek, J.; Laqua, H.; Marek, A.; Ruess, T.; Rzesnicki, T. et al.; Thumm, M.: Tolerance analysis of a quasi-optical mode converter for the upgrade of W7-X gyrotrons. 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.: Short-pulse Frequency Stabilization of a MW-class ECRH Gyrotron at W7- X for CTS Diagnostic. 32nd Symposium on Fusion Technology (SOFT 2022), Dubrovnik, Virtual (submitted)

Oosterbeek, J. W.; Stern, M.; Braune, H.; Ewert, K.; Hirsch, M.; Hollmann, F.; Laqua, H.; Marsen, S.; Moseev, D.; Noke, F. et al.; Reintrog, A.; Stange, T.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: MISTRAL campaign in support of W7-X long pulse operation. 21st Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Saint-Paul-lez-Durance (submitted)

Tancetti, A.; Nielsen, S. K.; Rasmussen, J.; Gusakov, E. Z.; Popov, A. Y.; Moseev, D.; Stange, T.; Marsen, S.; Vecsei, M.; Anda, G. et al.; Dunai, D.; Zoletnik, S.; Brandt, C.; Thomsen, H.; Winters, V.; Kornejew, P.; Harris, J.; Laqua, H. P.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Parametric decay of microwave beams in the edge island of Wendelstein 7-X: Theoretical modelling and correlation with edge fluctuations. 48th EPS Conference on Plasma Physics, Virtual (submitted)