Publications of H. Braune

Gantenbein, G.; Dammertz, G.; Illy, S.; Kern, S.; Leonhardt, W.; Piosczyk, B.; Schmid, M.; Thumm, M.; Braune, H.; Erckmann, V. et al.; Laqua, H. P.; Michel, G.; Kasparek, W.; Lechte, C.; Legrand, F.; Lievin, C.; Prinz, O.: The 140 GHZ, 1 MW Gyrotron - status and recent results. In: Proceedings of the 15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC-15), pp. 529 - 534 (Ed. Lohr, J.). 15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC-15), Yosemite National Park, CA, March 10, 2008 - March 13, 2008. World Scientific, Singapore (2009)

Kasparek, W.; Petelin, M.; Shchegolkov, D.; Erckmann, V.; Bruschi, A.; Braune, H.; Hollmann, F.; Jonitz, L.; Michel, G.; Laqua, H. P. et al.; Noke, F.; Purps, F.; Schulz, T.; Brand, P.; Plaum, B.; Wubie, W.; Koshurinov, Y.; Lubyako, L.; Bin, W.; D'Arcangelo, O.; ECRH Group at IPP Greifswald; ECRH Group at FZK Karlsruhe; ECRH Group at IFP Milano; ECRH Group at IAP Nizhny Novgorod; ECRH Group at IPF Stuttgart: High-power microwave diplexers for advanced ECRH systems. In: Strong Microwaves: Sources and Applications. Proceedings of the 7th International Workshop, pp. 27 - 39 (Ed. Litvak, A. G.). 7th International Workshop Strong Microwaves: Sources and Application, Nizhny Novgorod, July 27, 2008 - August 02, 2008. Russian Academy of Sciences, Nizhny Novgorod (2009)

Thumm, M.; Braune, H.; Dammertz, G.; Erckmann, V.; Gantenbein, G.; Illy, S.; Kern, S.; Kasparek, W.; Laqua, H. P.; Lechte, C. et al.; Legrand, F.; Leonhardt, W.; Liévin, C.; Michel, G.; Piosczyk, B.; Prinz, O.: 1 MW, 140 GHz Series Gyrotrons for the W7-X Stellarator. In: Strong Microwaves: Sources and Applications. Proceedings of the 7th International Workshop, pp. 84 - 94 (Ed. Litvak, A. G.). 7th International Workshop Strong Microwaves: Sources and Application, Nizhny Novgorod, July 27, 2008 - August 02, 2008. Russian Academy of Sciences, Nizhny Novgorod (2009)

Braune, H.; Brand, P.; Dammertz, G.; Erckmann, V.; Gantenbein, G.; Kasparek, W.; Laqua, H. P.; Leonhardt, W.; Mellein, D.; Michel, G. et al.; Noke, F.; Purps, F.; Schlüter, K.-H.; Schmid, M.; Thumm, M.; W7-X ECRH Team at IPP; W7-X ECRH Team at IPF; W7-X ECRH Team at FZK: Extended operation of the 1 MW, CW gyrotrons for W7-X. In: IRMMW-THz 2007: Conference Digest of the 32nd International Conference on Infrared and Millimeter Waves, and 15th International Conference on Terahertz Electronics, pp. 104 - 105. Joint 32nd International Conference on Infrared and Millimetre Waves and 15th International Conference on Terahertz Electronics, Cardiff, September 02, 2007 - September 07, 2007. IEEE Operation Center, Piscataway, NJ (2007)

Erckmann, V.; Brand, P.; Braune, H.; Dammertz, G.; Gantenbein, G.; Kasparek, W.; Laqua, H. P.; Michel, G.; Thumm, M.; Weißgerber, M. et al.; W7-X ECRH Team at IPP Greifswald; W7-X ECRH Team at FZK Karlsruhe; W7-X ECRH Team at IPF Stuttgart: The 140 GHz, 10 MW, CW ECRH Plant for W7-X: A Training Field for ITER. In: Fusion Energy 2006, IT/2-4Rd. 21st IAEA Fusion Energy Conference, Chengdu, October 16, 2006 - October 21, 2006. International Atomic Energy Agency, Vienna (2007)

Gantenbein, G.; Braune, H.; Dammertz, G.; Alberti, S.; Erckmann, V.; Hogge, J. P.; Illy, S.; Kasparek, W.; Laqua, H. P.; Legrand, F. et al.; Leonhardt, W.; Liévin, C.; Michel, G.; Neffe, G.; Noke, F.; Piosczyk, B.; Purps, F.; Schmid, M.; Thumm, M.; Tran, M. Q.: High-power experiments with 140 GHz series gyrotrons for W7-X. In: Proceedings of the 8th IEEE International Vacuum Electronics Conference, pp. 41 - 42. 8th IEEE International Vacuum Electronics Conference (IVEC2007), Kitakyushu, May 15, 2007 - May 17, 2007. IEEE Operation Center, Piscataway, NJ (2007)

Dammertz, G.; Arnold, A.; Braune, H.; Erckmann, V.; Gantenbein, G.; Heidinger, R.; Illy, S.; Kasparek, W.; Laqua, H.; Leonhardt, W. et al.; Michel, G.; Neffe, G.; Piosczyk, B.; Brand, P.; Schmidt, M.; Thumm, M.: The electron-cyclotron-resonance-heating system for the stellarator W7-X. In: Jahrestagung Kerntechnik 2006, pp. 601 - 607 (Eds. e.V., D. A.; e.V., K. G.). Jahrestagung Kerntechnik 2006, Aachen, May 16, 2006 - May 18, 2006. Inforum Verlags- und Verwaltungsgesellschaft mbH, Berlin (2006)

Laqua, H. P.; Erckmann, V.; Braune, H.; Maaßberg, H.; Marushchenko, N.; Michel, G.; Turkin, Y.; Ullrich, S.; Dammertz, G.; Thumm, M. et al.; Brand, P.; Gantenbein, G.; Kasparek, W.; W7-X ECRH Team (IPP); W7-X ECRH Team (FZK); W7-X ECRH Team (IPF): The Steady-State ECRH-System at Wendelstein 7-X. In: 15th International Stellarator Workshop and IAEA Technical Meeting on Innovative Concepts and Theory of Stellarator, IT-20. 15th International Stellarator Workshop, Madrid, October 03, 2005 - October 07, 2005. International Atomic Energy Agency, Vienna (2006)

Thumm, M.; Arnold, A.; Dammertz, G.; Gantenbein, G.; Heidinger, R.; Illy, S.; Leonhardt, W.; Neffe, G.; Piosczyk, B.; Schmid, M. et al.; Alberti, S.; Hogge, J. P.; Tran, M. Q.; Braune, H.; Erckmann, V.; Laqua, H.; Michel, G.; Brand, P.; Kasparek, W.; Magne, R.; Giguet, E.; Legrand, F.; Lievin, C.: EU megawatt-class 140 GHz CW gyrotron for W7-X. In: Proceedings of the National Symposium on Vacuum Electronic Devices and Applications (VEDA), PS2/1. National Symposium on Vacuum Electronic Devices and Applications (VEDA), Pilani, October 11, 2006 - October 13, 2006. Central Electronics Engineering Research Institute CEERI, Pilani (2006)

Dammertz, G.; Alberti, S.; Arnold, A.; Brand, P.; Braune, H.; Borie, E.; Erckmann, V.; Gantenbein, G.; Giguet, E.; Heidinger, R. et al.; Hogge, J. P.; Illy, S.; Kasparek, W.; Koppenburg, K.; Kuntze, M.; Laqua, H.; LeCloarec, G.; Legrand, F.; Leonhardt, W.; Liévin, C.; Magne, R.; Michel, G.; Müller, G.; Neffe, G.; Piosczyk, B.; Schmid, M.; Schwörer, K.; Thumm, M.; Tran, M. Q.: Progress in the Development of 1 MW CW Gyrotrons for the Stellarator W7-X. In: Electron Cyclotron Emission and Electron Cyclotron Heating. Proceedings of the 13th Joint Workshop, pp. 371 - 376 (Ed. Litvak, A.). 13th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC-13), Nizhny Novgorod, May 17, 2004 - May 20, 2004. Institute of Applied Physics, Nizhny Novgorod (2005)

Erckmann, V.; Brand, P.; Braune, H.; Dammertz, G.; Gantenbein, G.; Kasparek, W.; Laqua, H. P.; Michel, G.; Thumm, M.; Weissgerber, M. et al.; W7-X ECRH Team at IPP; W7-X ECRH Team at FZK; W7-X ECRH Team at IPF: The 140 GHz, 10 MW, CW ECRH System for W7-X: A Training Field for ITER. In: IRMMW-THz 2005: the Joint 30th International Conference on Infrared and Millimeter Waves & 13th International Conference on Terahertz Electronics, p. 31 - 31 (Ed. Button, K.J.). Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THZ 2005), Williamsburg,VA, September 19, 2005 - September 23, 2005. IEEE Operations Center, Piscataway,NJ (2005)

Dammertz, G.; Alberti, S.; Arnold, A.; Borie, E.; Brand, P.; Braune, H.; Erckmann, V.; Gantenbein, G.; Giguet, E.; Heidinger, R. et al.; Hogge, J. P.; Illy, S.; Kasparek, W.; Koppenburg, K.; Kunze, M.; Laqua, H.; Le Cloarec, G.; Legrand, F.; Piosczyk, B.; Schmid, M.; Thumm, M.; Tran, M. Q.: Status of the 1 MW, CW Gyrotrons for the Stellarator W7-X. In: Conference Digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics (IRMMW 2004/THz 2004), M4.4, pp. 113 - 114 (Eds. Thumm, M.; Wiesbeck, W.). Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics (IRMMW 2004/THz 2004), Karlsruhe, September 27, 2004 - October 01, 2004. University of Karlsruhe (TH), Karlsruhe (2004)

Dammertz, G.; Alberti, S.; Arnold, A.; Brand, P.; Braune, H.; Borie, E.; Erckmann, V.; Gantenbein, G.; Giguet, E.; Heidinger, R. et al.; Hogge, J. P.; Illy, S.; Kasparek, W.; Koppenburg, K.; Kuntze, M.; Laqua, H.; LeCloarec, G.; Legrand, F.; Leonhardt, W.; Liévin, C.; Magne, R.; Michel, G.; Müller, G.; Neffe, G.; Piosczyk, B.; Schmid, M.; Schwörer, K.; Thumm, M.; Tran, M. Q.: Progress in the Development of 1 MW CW Gyrotrons for the Stellarator W7-X. In: 13th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating. Papers and Contributions. 13th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC-13), Nizhny Novgorod, May 17, 2004 - May 20, 2004. (2004)

Erckmann, V.; Brand, P.; Braune, H.; Dammertz, G.; Gantenbein, G.; Kasparek, W.; Laqua, H. P.; Michel, G.; Mueller, G. A.; Thumm, M. et al.; W7-X ECRH Team at IPP; W7-X ECRH Team at FZK; W7-X ECRH Team at IPF: The 10 MW ECRH and CD System for W7-X: Status and first tests. In: 31st EPS Conference on Plasma Physics, P-1.197 (Eds. Norreys, P.; Hutchinson, H.). 31st European Physical Society Conference on Plasma Physics, London, June 28, 2004 - July 02, 2004. European Physical Society, Geneva (2004)

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)

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)

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)

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)

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)