Using COMSOL Multiphysics Software to Model Anisotropic Dielectric and Metamaterial Effects in Folded-Waveguide Traveling-Wave Tube Slow-Wave Circuits

摘要

The electromagnetic effects of conventional dielectrics, anisotropic dielectrics, and meta-materials were modelled in a terahertz-frequency folded- waveguide slow-wave circuit. Results of attempts to utilize these materials to increase efficiency are presented.