Speaker
Thomas Oseroff
(Cornell University)
Description
In this work a method to include the effects of beam loading in FEM solvers for electromagnetic problems, such as CST and HFSS, is considered. The method involves using transmission line models of a beam-loaded and beamless resonant cavity to determine an effective surface resistance and tuning angle for the beamless cavity to produce the same reflection as the beam-loaded case. The cavity, its coupler, and the relevant waveguide sections are then simulated with the desired surface resistance and shift from resonance. This allows for detailed understanding of the fields in regions of interest, such as transformers and RF windows, as a function of relevant parameters, such as beam current, cavity voltage, and tuning angle.
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Author
Thomas Oseroff
(Cornell University)
Co-author
Matthias Liepe
(Cornell University)
