Publications of H. P. Laqua
All genres
Conference Paper (100)
2002
Conference Paper
140 GHz, 1 MW. CW Gyrotron for Fusion Plasma Heating. In: Proceedings of the 3rd IEEE International Vacuum Electronics Conference, pp. 330 - 331. 3rd IEEE International Vacuum Electronics Conference, Monterey, April 23, 2002 - April 25, 2002. IEEE Operations Centre, Piscataway,NJ (2002)
Conference Paper
Electron Bernstein wave heating and current drive in over-dense plasmas at the Wendelstein 7-AS stellarator. In: Proceedings of the 13th International Stellarator Workshop, OIV.3. 13th International Stellarator Workshop, Canberra, February 25, 2002 - March 01, 2002. Plasma Physics Princeton Lab., Princeton (2002)
Conference Paper
Electron bernstein wave heating and current drive in overdense plasmas at the Wendelstein 7-AS Stellarator. In: 29th European Physical Society Conference on Plasma Physics and Controlled Fusion. Contributed Papers, D-5.010 (Eds. Behn, R.; Varandas, C.). 29th EPS Conference on Plasma Physics and Controlled Fusion, Montreux, June 17, 2002 - June 21, 2002. European Physical Society, Geneva (2002)
Conference Paper
Plasma performance of Wendelstein 7-AS with the new boundary-island divertor modules. In: Proceedings of the 13th International Stellarator Workshop, OIV.4. 13th International Stellarator Workshop, Canberra, February 25, 2002 - March 01, 2002. Plasma Physics Princeton Lab., Princeton (2002)
2001
Conference Paper
Distribution of the ECRH Stray Radiation in Fusion Devices. In: 28th EPS Conference on Controlled Fusion and Plasma Physics. Contributed Paper, pp. 1277 - 1280 (Eds. Silva, C.; Varandas, C.; Campbell, D.). 28th EPS Conference on Controlled Fusion and Plasma Physics, Funchal, June 18, 2001 - May 26, 2000. European Physical Society, Geneva (2001)
Conference Paper
The Electron Heat Transport for High Power Electron Cyclotron Heating at the Wendelstein 7-AS Stellarator. In: 28th EPS Conference on Controlled Fusion and Plasma Physics. Contributed Paper, pp. 17 - 20 (Eds. Silva, C.; Varandas, C.; Campbell, D.). 28th EPS Conference on Controlled Fusion and Plasma Physics, Funchal, June 18, 2001 - June 22, 2001. European Physical Society, Geneva (2001)
2000
Conference Paper
Development of an Electron Bernstein Emission Diagnostic for Temperature Profiles above the ECE-Cutoff Density at Wendelstein 7-AS Stellarator. In: 27th EPS Conference on Controlled Fusion and Plasma Physics. Contributed Paper, pp. 1669 - 1672 (Eds. Szegö; K.; Todd; T.N.; Zoletnik et al.). 27th EPS Conference on Controlled Fusion and Plasma Physics, Budapest, June 12, 2000 - June 16, 2000. European Physical Society, Geneva (2000)
1999
Conference Paper
ECRH and ECCD Experiments in an Extended Power Range at the W7-AS Stellarator. In: Fusion Energy 1998. 17th Conference Proceedings, p. CDP/05 - CDP/05. 17th Conference on Fusion Energy, Yokohama, October 18, 1998 - October 24, 1998. International Atomic Energy Agency, Vienna (1999)
Conference Paper
Overview on W7-AS Results with Relevance for Wendelstein 7-X and the Low-Shear Stellarator Line. In: Fusion Energy 1998. 17th Conference Proceedings, pp. 115 - 128. 17th Conference on Fusion Energy, Yokohama, October 18, 1998 - October 24, 1998. International Atomic Energy Agency (IAEA), Vienna (1999)
1998
Conference Paper
ECRH System for the W7-X Stellarator. In: Fusion Technology 1998: Proceedings of the 20th Symposium on Fusion Technology, pp. 299 - 302. 20th Symposium on Fusion Technology (SOFT 1998), Marseille (FR), November 07, 1998 - November 11, 1998. Association EURATOM-CEA, Saint Paul Lez Durance (1998)
1997
Conference Paper
High density ECRH and shear related confinement with ECCD in W7-AS. In: Fusion Energy 1996. Proceedings of the 16th International Conference on Fusion Energy, pp. 119 - 126. 16th International Conference on Fusion Energy, Montreal, October 07, 1996 - October 11, 1996. International Atomic Energy Agency (IAEA), Vienna (1997)
Conference Paper
Overview on ECRH and ECCD Experiments at the W7-AS Stellarator. In: Strong Microwaves in Plasmas. Proceedings, pp. 69 - 88. 3rd International Workshop on Stron, Nizhny Novgorod (RU), August 07, 1996 - August 14, 1996. Univ. Press, Nizhny Novgorod (1997)
Conference Paper
Recent ECRH and ECCD Experiments at W7-AS. In: Proceedings of the Tenth Joint Workshop on Electron Cyclotron Emmission and Electron Cyclotron Heating, pp. 317 - 328. 10th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Heating (EC-10), Ameland (NL), April 06, 1997 - April 11, 1997. World Scientific Publ., Singapore (1997)
Conference Paper
Resonant Electron Bernstein Wave Heating via Mode Conversion in W7-AS. In: 24th European Physical Society Conference on Controlled Fusion and Plasma Physics, pp. 1641 - 1644. 24th EPS Conference on Controlled Fusion and Plasma Physics, Berchtesgaden, June 09, 1997 - June 13, 1997. European Physical Society, Geneva (1997)
1996
Conference Paper
20C, 2, pp. 847 - 850 (1996)
Resonant and Nonresonant Electron Cyclotron Heating at Densities above the Plasma Cut-off by O-X-B-Mode Conversion at W7-AS. 23rd EPS Conference on Controlled Fusion and Plasma Physics, Kiev (UA). ECA Meeting Abstract (1)
2019
Meeting Abstract
(VI) 55 (1), P 4.3. DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP), Hannover, March 08, 2020 - March 13, 2020. DPG, Bad Honnef (submitted)
ECCD-induced electron temperature crashes at W7-X. In: Verhandlungen der Deutschen Physikalischen Gesellschaft, Talk (178)
2024
Talk
Results of Frequency Stabilization of a MW-Class Gyrotron at W7-X for the CTS Diagnostic during OP 2.1. 22nd Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-22), Daejeon (submitted)
Talk
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)
Talk
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)
2023
Talk
Progress in High Power Gyrotron Development Projects at KIT. 48th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz 2022), Montreal (2023)