Title :
Powerful second-harmonic gyrotron oscillator
Author :
Nikolov, Nikolai A. ; Spasovsky, Ivan P. ; Kostov, Konstantin G. ; Velichkov, Jury N. ; Spasov, Velin A. ; Yovchev, Ivailo G.
Author_Institution :
Sofia Univ., Bulgaria
fDate :
12/1/1990 12:00:00 AM
Abstract :
Experimental results from a study of second-harmonic gyrotron oscillator are reported. A steady second-harmonic cavity emission has been observed at 28 GHz and waveguide mode TE02. A peak power of ~30 MW has been reached with ~9% efficiency. For better understanding of the generation mechanism additional gyrotron experiments have been carried out with a similar cavity without a cutoff section at the exit, operating at the fundamental cyclotron harmonic
Keywords :
gyrotrons; harmonic generation; microwave oscillators; 28 GHz; 30 MW; 9 percent; TE02 waveguide mode; cutoff section; efficiency; fundamental cyclotron harmonic; peak power; second-harmonic gyrotron oscillator; steady second-harmonic cavity emission; Cyclotrons; Electron beams; Frequency; Gyrotrons; Magnetic fields; Masers; Oscillators; Pulse generation; Radiofrequency amplifiers; Resonance;
Journal_Title :
Electron Devices, IEEE Transactions on