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Computer simulation of a novel electron gun with a magnetic reversal field

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2 Author(s)
Xinhui Wu ; High Power Radiation Laboratory, University of Electronic Science and Technology of China, Chengdu, 610054, China ; Jiayin Li

Efficient operation of gyro-devices depends critically on the quality of the beam. Single-particle motion of relativistic electrons in a cusped magnetic field has been studied analytically. The Lagrangian formulation is used to solve for the electron trajectories in a general magnetic cusp configurations. The exact configurations of the solenoid coils and pole pieces were designed to generate the magnetic reversal field. Results from computer aided design of a novel electron gun generating axis-encircling beams are presented and discussed. This gun has small azimuthal velocity spread of less than 1% and relatively small beam ripple.

Published in:

Microwave and Millimeter Wave Technology (ICMMT), 2010 International Conference on

Date of Conference:

8-11 May 2010