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Thermionic gyro-BWO experiment using a helical interaction waveguide
By: Ronald, K.; Phelps, A.D.R.; Young, A.R.; Whyte, C.G.; Cross, A.W.; Rafferty, E.G.; Speirs, D.C.; He, W.; Robertson, C.W.; Thomson, J.;
2004 / IEEE / 0-7803-8490-3
This item was taken from the IEEE Conference ' Thermionic gyro-BWO experiment using a helical interaction waveguide ' A helically corrugated waveguide was used for a gyrotron backward wave oscillator (gyro-BWO) experiment. With a thermionic electron beam of 90-210 kV in energy, 2-3 A in current and pitch alpha of up to 1.6 the oscillator achieved a maximum power of 70 kW, a frequency-tuning band of 8.0-9.5 GHz (17% relative tuning range) with a maximum electronic efficiency of 16%.
Oscillator Pitch Alpha
Frequency Tuning Band
90 To 210 Kv
2 To 3 A
Magnetic Field Measurement
Thermionic Electron Beam
Helical Corrugated Waveguide
8 To 9.5 Ghz
Backward Wave Oscillators
Gyrotron Backward Wave Oscillator