CONCEPTUAL DESIGN STUDIES OF AN 84 GHz, 500 kW, CW GYROTRON |
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| Authors: | M V Kartikeyan G Singh E Borie B Piosczyk and M Thumm |
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| Institution: | (1) Department of Electronics & Computer Engineering, Indian Institute of Technology, Roorkee, 247 667, India;(2) Vacuum Electrophysics Laboratory, School of Physics, Seoul National University, Seoul, 151-742, Korea;(3) Forschungszentrum Karlsruhe, Association Euratom-FZK, Institut für Hochleistungsimpuls und Mikrowellentechnik, Hermann von Helmholtzplatz 1, D 76344 Eggenstein-Leopoldshafen, Germany;(4) Universit?t Karlsruhe, IHE, Kaiserstr. 12, D 76128 Karlsruhe, Germany |
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| Abstract: | The feasibility of an 84 GHz, 500 kW, CW gyrotron for ECRH on an experimental tokamak will be presented in this paper. Mode
competition and mode selection procedures are carefully investigated by considering various candidate modes and the TE10,4 mode is chosen as the operating mode. A conventional cylindrical cavity resonator with weak input and output tapers and parabolic
roundings is considered for interaction studies. Self-consistent, both single mode and time-dependent, calculations are carried
out and power and efficiencies are computed for a typical set of beam parameters. The results show that an output power of
well over 500 kW, CW and efficiency around 40% can be reached without a depressed collector. |
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| Keywords: | Gyrotrons High Power Microwaves Electron Cyclotron Resonance Heating (ECRH) |
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