Multipacting Analysis in Micro-pulse Electron Gun Design

Modeling multipacting to steady state saturation is of interest in determining the performance of micro-pulse electron gun. In this paper, a novel method is proposed to calculate the multipacting resonance parameters for the gun. This method works well, and the 2-D simulation results suggest that steady state saturation can be achieved in the gun. After saturation the transition from two-surface multipacting to single-surface multipacting is occurred, and an extensive range of electrons emission time is a suggested way to avoid this kind of transition.