Title :
Progress with the new multi-frequency ECRH system for ASDEX upgrade
Author :
Wagner, D. ; Franke, T. ; Leuterer, F. ; Monaco, F. ; Münich, M. ; Schütz, H. ; Stober, J. ; Volpe, F. ; Zohm, H. ; Thumm, M. ; Gantenbein, G. ; Flamm, J. ; Heidinger, R. ; Meier, A. ; Kasparek, W. ; Lechte, C. ; Litvak, A.G. ; Denisov, G.G. ; Cirkov, A.
Author_Institution :
Max-Planck-Insitut fur Plasmaphysik, EURATOM-IPP, Garching
Abstract :
Currently, a new multi-frequency ECRH system is under construction at the ASDEX Upgrade Tokamak experiment. This system employs, for the first time in a fusion device, multi-frequency gyrotrons, step-tunable in the range 105-140 GHz. The system includes fast steerable launchers at the front end that will allow for very localized feedback controlled power deposition in the plasma.
Keywords :
Tokamak devices; gyrotrons; plasma radiofrequency heating; plasma toroidal confinement; ASDEX upgrade Tokamak experiment; frequency 105 GHz to 140 GHz; fusion device; localized feedback controlled power deposition; multifrequency ECRH system; multifrequency gyrotrons; plasma; steerable launchers; Cathodes; Frequency; Gyrotrons; Mirrors; Optical feedback; Plasma materials processing; Structural beams; Tokamaks; Variable speed drives; Voltage;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves, 2008. IRMMW-THz 2008. 33rd International Conference on
Conference_Location :
Pasadena, CA
Print_ISBN :
978-1-4244-2119-0
Electronic_ISBN :
978-1-4244-2120-6
DOI :
10.1109/ICIMW.2008.4665461
