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Rapid Generations of Multipactor Charts by Numerical Solution of the Phase Equation.

Research output: Contribution to journalJournal article

Published

Journal publication date7/05/2005
JournalJournal of Physics D: Applied Physics
Journal number9
Volume38
Number of pages7
Pages1383-1389
Original languageEnglish

Abstract

Multipactor charts for parallel plate geometries have been computed using a program that numerically solves a phase equation for the crossing times rather than by detailed computation of electronic paths. Motion in three-dimensional is tracked and detailed models for secondary emission and elastic collisions with the walls are employed. The speed advantage of the method allows the dependence of multipactor prediction on surface properties and multipactor criteria, such as the number of electrons within a shower that are followed, to be assessed over a broad parameter range.

Bibliographic note

The avoidance of multipactor is a key issue for the development of vacuum tubes, accelerator cavities and vacuum RF components. The work reported in this paper enables new studies to be carried out on the dependence of multipactor on statistical factors and the inference of secondary emission properties from experimentally determined multipactor thresholds. RAE_import_type : Journal article RAE_uoa_type : General Engineering