Title :
140-GHz gyrotron with multimegawatt output power
Author :
Dammertz, G. ; Borie, Edith ; Iatrou, C.T. ; Kuntze, M. ; Piosczyk, Bernhard ; Thumm, Manfred K.
Author_Institution :
Association EURATOM-Forschungszentrum, Forschungszentrum Karlsruhe, Germany
fDate :
6/1/2000 12:00:00 AM
Abstract :
The operational features of a 140-GHz, transverse electric TE22,6 mode gyrotron oscillator with an advanced quasi-optical mode converter, a Brewster window, and a single-stage depressed collector at 140 GHz with an output power of 2.1 MW and an efficiency of 34% without depressed collector and 53% with depressed collector are presented. The high output power level is possible due to an almost reflectionless termination of the radio frequency (RF) beam line outside the tube. The operation of the TE22,6 mode gyrotron is described in detail, and the significant features for achieving the high-output power are pointed out
Keywords :
gyrotrons; millimetre wave oscillators; 140 GHz; 2.1 MW; Brewster window; gyrotron; high output power level; high-output power; multimegawatt output power; operational features; quasi-optical mode converter; radio frequency beam line; reflectionless termination; single-stage depressed collector; transverse electric TE22,6 mode gyrotron oscillator; Cyclotrons; Dielectric losses; Electrons; Gyrotrons; Heating; Plasma diagnostics; Power generation; Radio frequency; Resonance; Tellurium;
Journal_Title :
Plasma Science, IEEE Transactions on
