Publications of H. Laqua

Conference Paper (45)

81.
Conference Paper
Marushchenko, N.; Maaßberg, H.; Beidler, C.; Erckmann, V.; Geiger, J.; Laqua, H.; Shalashov, A.; Suvorov, E.; Turkin, Y.; W7-X Team: ECRH Scenarios on W7-X. In: Strong Microwaves: Sources and Applications. Proceedings of the 7th International Workshop, pp. 375 - 383 (Ed. Litvak, A. G.). 7th International Workshop on Strong Microwaves in Plasma: Sources and Applications, Nizhny Novgorod, July 27, 2008 - August 02, 2008. Russian Academy of Sciences, Nizhny Novgorod (2009)
82.
Conference Paper
Piosczyk, B.; Dammertz, G.; Arnold, A.; Gantenbein, G.; Illy, S.; Jin, J.; Prinz, O.; Flamm, J.; Rzesnicki, T.; Thumm, M. et al.; Alberti, S.; Goodman, T.; Hogge, J. P.; Tran, M. Q.; Erckmann, V.; Laqua, H.; Michel, G.; Dumbrajs, O.; Benin, P.; Giguet, E.; Lievin, C.: Development of High Power Gyrotrons for Fusion Applications at FZK. In: Proceedings of the IEEE Pulsed Power and Plasma Science Conference, 551. IEEE Pulsed Power and Plasma Science Conference, Albuquerque, NM, June 17, 2007 - June 22, 2007. (2007)
83.
Conference Paper
Dammertz, G.; Alberti, S.; Arnold, A.; Erckmann, V.; Gantenbein, G.; Giguet, E.; Heidinger, R.; Hogge, J. P.; Illy, S.; Kasparek, W. et al.; Laqua, H.; Legrand, F.; Leonhardt, W.; Lievin, C.; Michel, G.; Neffe, G.; Piosczyk, B.; Schmid, M.; Thumm, M.; Tran, M. Q.: Status of the series production of 1-MW, 140-GHz, CW gyrotrons for W7-X. In: IRMMW-THz 2006: Joint 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics, p.21 (Ed. Shen, S.C.). Joint 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics, Shanghai, September 18, 2006 - September 22, 2006. IEEE Operations Center, Piscataway, NJ (2006)
84.
Conference Paper
Dammertz, G.; Alberti, S.; Arnold, A.; Erckmann, V.; Gantenbein, G.; Giguet, E.; Heidinger, R.; Hogge, J. P.; Illy, S.; Kasparek, W. et al.; Laqua, H.; Legrand, F.; Leonhardt, W.; Lievin, C.; Magne, R.; Michel, G.; Neffe, G.; Piosczyk, B.; Schmid, M.; Thumm, M.; Tran, M. Q.: Recent results of the 1-MW, 140 GHz, CW gyrotrons for the stellarator W7-X. In: Proceedings of 14th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC-14), 10. 14th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC-14), Santorini, May 09, 2006 - May 12, 2006. (2006)
85.
Conference Paper
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)
86.
Conference Paper
Gantenbein, G.; Dammertz, G.; Alberti, S.; Arnold, A.; Erckmann, V.; Giguet, E.; Heidinger, R.; Hogge, J. P.; Illy, S.; Kasparek, W. et al.; Koppenburg, K.; Laqua, H.; Legrand, F.; Leonhardt, W.; Lievin, C.; Michel, G.; Neffe, G.; Piosczyk, B.; Schmid, M.; Thumm, M.; Tran, M. Q.: Status of the 1-MW, 140 GHz, CW gyrotron for W7-X. In: 2006 IEEE International Vacuum Electronics Conference held jointly with 2006 IEEE International Vacuum Electron Sources (IVEC/IVESC 2006), pp. 533 - 534 (Ed. Society, E. D.). International Vacuum Electronics Conference and International Vacuum Electron Sources (IVEC/IVESC), Monterey, CA, April 25, 2006 - April 27, 2006. IEEE Operations Center, Piscataway,NJ (2006)
87.
Conference Paper
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)
88.
Conference Paper
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)
89.
Conference Paper
Gantenbein, G.; Kasparek, W.; Plaum, B.; Schwörer, K.; Grünert, M.; Erckmann, V.; Hollmann, F.; Jonitz, L.; Laqua, H.; Michel, G. et al.; Noke, F.; Purps, F.; Bruschi, A.; Cirant, S.; Gandini, F.; Verhoeven, A. G. A.; ECRH Group at IPP Greifswald; ECRH Groups at FZK Karlsruhe; ECRH Groups at IPF Stuttgart: High-power Tests of a Remote Steering Launcher Mock-up at 140 GHZ. In: Electron Cyclotron Emission and Electron Cyclotron Heating. Proceedings of the 13th Joint Workshop, pp. 310 - 314 (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)
90.
Conference Paper
Wagner, F.; Andreeva, T.; Baldzuhn, J.; Benndorf, A.; Bolt, H.; Boscary, J.; Bosch, H. S.; Bräuer, T.; Brakel, R.; Brand, P. et al.; Cardella, A.; Czerwinski, M.; Damiani, C.; Dammertz, G.; Dübner, A.; Ehmler, H.; Elio, F.; Endler, M.; Erckmann, V.; Feist, J. H.; Fillunger, M.; Gantenbein, G.; Gardebrecht, W.; Gasparotto, M.; Giesen, B.; Greuner, H.; Greve, H.; Grigull, P.; Grote, H.; Harmeyer, E.; Hartfuss, H. J.; Hartmann, D.; Hein, B.; Heinemann, B.; Holtum, D.; Huguet, M.; Hurd, F.; Jaksic, N.; Kasparek, W.; Kisslinger, J.; Klinger, T.; Knauer, J.; Krampitz, R.; Laqua, H.; Lentz, H.; Liesenberg, K.; Maier, J.; Maix, R.; Mendelevitch, B.; Michel, G.; Nagel, M.; Naujoks, D.; Niedermeyer, H.; Nührenberg, C.; Opitz, A.; Pfeiffer, G.; Pietsch, M.; Reich, J.; Risse, K.; Rong, P.; Rummel, K.; Rummel, T.; Sborchia, C.; Schauer, F.; Schröder, R.; Schultz, U.; Schweizer, S.; Simon-Weidner, J.; Sochor, M.; Sonnerup, L.; Streibl, B.; Tretter, J.; Thumm, M.; Viebke, H.; Wanner, M.; Wegener, L.; Weissgerber, M.; Werner, A.; Winkler, M.: Physics, Technologies and Status of the Wendelstein 7-X Device. In: 20th IAEA Fusion Energy Conference Proceedings, FT/3-5. 20th IAEA Fusion Energy Conference, Vilamoura, November 01, 2004 - November 06, 2004. International Atomic Energy Agency, Vienna (2005)
91.
Conference Paper
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)
92.
Conference Paper
Dammertz, G.; Alberti, S.; Arnold, A.; Borie, E.; Erckmann, V.; Gantenbein, G.; Giguet, E.; Heidinger, R.; Hogge, J. P.; Illy, S. et al.; Kasparek, W.; Koppenburg, K.; Kuntze, M.; Laqua, H.; LeCloarec, G.; Legrand, G.; LeGoff, Y.; Leonhardt, W.; Lievin, C.; Magne, R.; Michel, G.; Müller, G.; Neffe, G.; Piosczyk, B.; Rzesnicki, T.; Schmid, M.; Thumm, M.; Tran, M. Q.: Development of multimegawatt gyrotrons for fusion plasma heating and current drive. In: Fifth IEEE International Vacuum Electronics Conference, pp. 28 - 29. 5th IEEE International Vacuum Electronics Conference (IVEC 2004), Monterey,CA, April 27, 2004 - April 29, 2004. IEEE Operations Center, Piscataway,NJ (2004)
93.
Conference Paper
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)
94.
Conference Paper
Gantenbein, G.; Erckmann, V.; Kasparek, W.; Plaum, B.; Laqua, H.; Michel, G.; Schwörer, K.; Bruschi, A.; Cirant, S.; Gandini, F. et al.; Verhoeven, A. G. A.; ECRH Group: First High-Power Tests of a Remote Steering Concept for ECRH/ECCD at ITER. 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), Tu11.2, pp. 291 - 292 (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)
95.
Conference Paper
Gantenbein, G.; Kasparek, W.; Plaum, B.; Schwörer, K.; Grünert, M.; Erckmann, V.; Hollmann, F.; Jonitz, L.; Laqua, H.; Michel, G. et al.; Noke, F.; Purps, F.; Bruschi, A.; Cirant, S.; Gandini, F.; Verhoeven, A. G. A.; ECRH Group: High-power Tests of a Remote Steering Launcher Mock-up at 140 GHZ. 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)
96.
Conference Paper
Kasparek, W.; Dammertz, G.; Erckmann, V.; Gantenbein, G.; Grünert, M.; Hollmann, F.; Jonitz, L.; Laqua, H.; Michel, G.; Noke, F. et al.; Plaum, B.; Purps, F.; Schultz, T.; Schwörer, K.; Weissgerber, M.: First high-power tests of the 140 GHz, 10 MW CW transmission system for ECRH on 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), Tu3.4, pp. 223 - 224 (Eds. Thumm, M.; Wiesbeck, W.). Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics, Karlsruhe, September 27, 2004 - October 01, 2004. University of Karlsruhe (TH), Karlsruhe (2004)
97.
Conference Paper
Hartfuss, H. J.; Erckmann, V.; Hirsch, M.; Laqua, H.: Problems with ECRH stray radiation in Wendelstein 7-X. In: 30th EPS Conference on Plasma Physics and Controlled Fusion, O-3.2C (Eds. Koch, R.; Lebedev, S.). 30th European Physical Society Conference on Plasma Physics and Controlled Fusion, St. Petersburg (RU), July 07, 2003 - July 11, 2003. European Physical Society, Geneva (2003)
98.
Conference Paper
Grigull, P.; McCormick, K.; Baldzuhn, J.; Burhenn, R.; Brakel, R.; Ehmler, H.; Feng, Y.; Gadelmeier, F.; Giannone, L.; Hartmann, D. et al.; Hildebrandt, D.; Hirsch, M.; Jaenicke, R.; Kisslinger, J.; Knauer, J.; König, R.; Kühner, G.; Laqua, H.; Naujoks, D.; Niedermeyer, H.; Ramasubramanian, N.; Rust, N.; Sardei, F.; Wagner, F.; Weller, A.; Wenzel, U.; W7-AS Team, Max Planck Institute for Plasma Physics, Max Planck Society: First island divertor experiments on the W7-AS stellarator. In: Proceedings of the 13th International Stellarator Workshop. 13th International Stellarator Workshop, Canberra, February 25, 2002 - March 01, 2002. Plasma Physics Princeton Lab., Princeton (2002)
99.
Conference Paper
Jaenicke, R.; Bäumel, S.; Baldzuhn, J.; Brakel, R.; Burhenn, R.; Ehmler, H.; Endler, M.; Erckmann, V.; Feng, Y.; Gadelmeier, F. et al.; Geiger, J.; Giannone, L.; Grigull, P.; Hartfuß, H.-J.; Hartmann, D.; Hildebrandt, D.; Hirsch, M.; Holzhauer, E.; Kick, M.; Kisslinger, J.; Klinger, T.; Klose, S.; Knauer, J.; König, R.; Kühner, G.; Laqua, H.; Maaßberg, H.; McCormick, K.; Narayanan, R.; Niedermeyer, H.; Pasch, E.; Ruhs, N.; Rust, N.; Saffert, J.; Sardei, F.; Schneider, F.; Schubert, M.; Speth, E.; Wagner, F.; Weller, A.; Wenzel, U.; Werner, A.; Würsching, E.: Overview on recent W7-AS results. In: Proceedings of the 13th International Stellarator Workshop, OI.6. 13th International Stellarator Workshop, Canberra, February 25, 2002 - March 01, 2002. Princeton Plasma Physics Lab., Princeton (2002)
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