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Title: A Design Study of A Magnetron Injection Gun for A Gyrotron Oscillator
Authors: MICHISHITA, Toshinori
NISHIHARA, Hiroshi
KUBO, Hiroshi
Issue Date: 31-Jan-1984
Publisher: Faculty of Engineering, Kyoto University
Journal title: Memoirs of the Faculty of Engineering, Kyoto University
Volume: 45
Issue: 4
Start page: 1
End page: 7
Abstract: A magnetron injection gun has been designed for an X-band gyrotron oscillator. The design is based on two-dimensional numerical analyses of the equi-potential surfaces and the electron trajectories. The gun can produce a helical beam of electrons with large perpendicular velocities to the magnetic field. The positional velocity spread of the emitting electrons remains within 12% just before injection into an open resonator. The variation of the velocities along the trajectory is studied and compared with that predicted by the adiabatic approximation. The approximation may yield an appreciable deviation due to the neglect of the inward drift of electrons. Typical parameters of the designed electron gun are presented.
URI: http://hdl.handle.net/2433/281252
Appears in Collections:Vol.45 Part 4

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