Numerical simulation and experimental study of an electron-optical system of a megawatt gyrotron with step frequency tuning in the range 100–170 GHz

We present the results of numerical simulation and experimental studies of the systems of forming helical electron beams with different topologies for a 1-MW gyrotron with step frequency tuning in the range 100-170 GHz. We analyze variations in the beam parameters including the distribution of elect...

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Published inRadiophysics and quantum electronics Vol. 50; no. 9; pp. 702 - 712
Main Authors Zapevalov, V. E., Kuftin, A. N., Lygin, V. K.
Format Journal Article
LanguageEnglish
Published New York Springer Nature B.V 01.09.2007
Subjects
Beams (radiation)
Computer simulation
Electron beams
Gyrotrons
Helical
Magnetic fields
Mathematical models
Oscillations
Oscillators
Plasma
Tuning
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Summary:We present the results of numerical simulation and experimental studies of the systems of forming helical electron beams with different topologies for a 1-MW gyrotron with step frequency tuning in the range 100-170 GHz. We analyze variations in the beam parameters including the distribution of electrons over the oscillatory velocities, as functions of the beam current for various accelerating voltages and magnetic fields. The results of experimental studies of a prototype of the multifrequency gyrotron in the oscillation regime such that the designed optimized electron-optical system forms an intense helical electron beam with specified parameters in a wide interval of magnetic fields are shown.[PUBLICATION ABSTRACT]
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ISSN:0033-8443
1573-9120
DOI:10.1007/s11141-007-0061-5