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Free-electron maser based on two-dimensional distributed feedback
By: He, W.; Maclnnes, P.; Cross, A.W.; Konoplev, I.V.; Ronald, K.; Thumm, M.; Phelps, A.D.R.; Robertson, C.W.; Whyte, C.G.;
2007 / IEEE / 978-1-4244-1438-3
This item was taken from the IEEE Conference ' Free-electron maser based on two-dimensional distributed feedback ' The study of a co-axial Free-Electron Maser (FEM) based on 2D and 1D distributed feedback and driven by a large diameter (70mm), annular electron beam is presented. It has been demonstrated that 2D distributed feedback in the input mirror allowed 8mm radiation emitted from different parts of the oversized electron beam to be synchronized. The FEM operating in the (35.9GHz to 38.9GHz.) frequency region generated 60MW, 150ns duration millimetre wave pulses which contained <9J of energy in the pulse. Good agreement between theoretical predictions and experimental data is demonstrated.
Distributed Feedback Devices
Power Transmission Lines
Pulsed Power Supplies
Pulse Shaping Methods
Free Electron Masers
Distributed Bragg Reflector Masers
Distributed Feedback Oscillators
Time 150 Ns
Power 60 Mw
Size 70 Mm
Oversized Electron Beam
Co-axial Free-electron Maser
2d Distributed Feedback
Energy 9 J
Distributed Feedback Lasers
Frequency 35.9 Ghz To 38.9 Ghz