Abstract
Multipactor [1]–[4] is an AC discharge in which a high frequency rf field creates an electron avalanche sustained through secondary electron emission from a metallic or dielectric surface. This work presents the frequency domain study of multipactor discharge on a single dielectric surface with rf electric fields of single or two carrier frequencies. We employ a one-dimensional multiparticle Monte Carlo (MC) simulation scheme with adaptive time steps to obtain the temporal profiles [5] of the surface charging field. By performing Discrete Fourier Transform (DFT) on the temporal profiles, we characterize the amplitude spectrum [6], [7] of the surface charging fields in the ac saturation state.
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