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Amlitude and phase control of superradiation pulses by the magnetic bias of saturated ferrite
By: Mesyats, G.A.; Yalandin, M.I.; Romanchenko, I.V.; Elchaninov, A.A.; Rostov, V.V.;
2011 / IEEE / 978-1-4577-0631-8
Description
This item was taken from the IEEE Conference ' Amlitude and phase control of superradiation pulses by the magnetic bias of saturated ferrite ' To provide controllable shortening of the cathode voltage rise time in two channels of superradiative oscillators, ferrite-loaded sections of a coaxial transmission line with a bias magnetic field were used. Saturation of the ferrites in the longitudinal direction was provided by a dc magnetic field of 50 kA/m. A nonlinear line of length 30 cm was tested. It was found that a nonlinear line not only reduces the voltage rise time, but also changes the time delay to the arrival of the voltage pulse at a tubular explosive-emission cathode. Subgigawatt X-band microwave pulses of 1 ns FWHM were produced by two relativistic BWOs operating at a low magnetic field (about 0.5 T) in corrugated slow-wave structures. The cathode voltage and the e-beam current were 330 kV and 3 kA, respectively. Conditions for coherent summation of the power radiated in vacuum by two channels have been found.
Related Topics
Ferrite Devices
Magnetic Fields
Microwave Tubes
Phase Control
Power Transmission Lines
Pulsed Power Supplies
Relativistic Electron Beam Tubes
Slow Wave Structures
Frequency 8 Ghz To 12 Ghz
Amplitude Control
Phase Control
Magnetic Bias
Saturated Ferrite
Controllable Cathode Voltage Rise Time Shortening
Superradiative Oscillator
Coaxial Transmission Line
Bias Magnetic Field
Dc Magnetic Field
Nonlinear Line Testing
Voltage Rise Time Reduction
Time Delay
Voltage Pulse
Tubular Explosive-emission Cathode
Subgigawatt X-band Microwave Pulses
Fwhm
Relativistic Bwo
Corrugated Slow Wave Structures
Cathode Voltage
E-beam Current
Coherent Power Summation
Voltage 330 Kv
Current 3 Ka
Electromagnetic Pulse
Coaxial Cables
Cathodes
Backward Wave Oscillators
Voltage Control
Engineering
Superradiation Pulse