Phys. Rev. E 79, 046604 (2009) - Multipactor radiation analysis within a waveguide region based on a frequency-domain representation of the dynamics of charged particles

Multipactor radiation analysis within a waveguide region based on a frequency-domain representation of the dynamics of charged particles

B. Gimeno, E. Sorolla, S. Anza, C. Vicente, J. Gil, A. M. Pérez, V. E. Boria, F. J. Pérez-Soler, F. Quesada, A. Álvarez, and D. Raboso

Phys. Rev. E 79, 046604 – Published 8 April 2009

Abstract

A technique for the accurate computation of the electromagnetic fields radiated by a charged particle moving within a parallel-plate waveguide is presented. Based on a transformation of the time-varying current density of the particle into a time-harmonic current density, this technique allows the evaluation of the radiated electromagnetic fields both in the frequency and time domains, as well as in the near- and far-field regions. For this purpose, several accelerated versions of the parallel-plate Green’s function in the frequency domain have been considered. The theory has been successfully applied to the multipactor discharge occurring within a two metal-plates region. The proposed formulation has been tested with a particle-in-cell code based on the finite-difference time-domain method, obtaining good agreement.

Received 8 October 2008

DOI:https://doi.org/10.1103/PhysRevE.79.046604

©2009 American Physical Society

Authors & Affiliations

Departamento de Física Aplicada y Electromagnetismo - ICMUV, Universidad de Valencia c/Dr. Moliner, 50, 46100 Burjasot (Valencia), Spain

Electromagnetics and Acoustics Laboratory (LEMA, Swiss Federal Institute of Technology (EPFL), CH-1015 Lausanne, Switzerland

S. Anza, C. Vicente, and J. Gil

Aurora Software and Testing S.L., Parque Científico Universidad de Valencia, Polígono “La Coma” s/n, 46980 Paterna (Valencia), Spain

A. M. Pérez and V. E. Boria

Departamento de Comunicaciones - ITEAM, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia, Spain

F. J. Pérez-Soler, F. Quesada, and A. Álvarez

Universidad Politécnica de Cartagena, Cartagena (Murcia), Spain

European Space Agency (ESA), European Space Research and Technology Center (ESTEC), 2200 AG Noordwijk, The Netherlands

^*benito.gimeno@uv.es

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Issue

Vol. 79, Iss. 4 — April 2009

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