Title :
Using COMSOL Multiphysics software to model anisotropic dielectric and metamaterial effects in folded-waveguide traveling-wave tube slow-wave circuits
Author :
Starinshak, David P. ; Smith, Nathan D. ; Wilson, Jeffrey D.
Author_Institution :
Ohio Aerosp. Inst., Cleveland, OH
Abstract :
The electromagnetic effects of conventional dielectrics, anisotropic dielectrics, and metamaterials were modelled in a terahertz-frequency folded-waveguide slow-wave circuit. Results of attempts to utilize these materials to increase efficiency are presented.
Keywords :
finite element analysis; metamaterials; slow wave structures; COMSOL multiphysics software; anisotropic dielectric effects; folded-waveguide traveling-wave tube slow-wave circuits; metamaterial effects; Anisotropic magnetoresistance; Attenuation; Circuits; Dielectric materials; Electromagnetic modeling; Electromagnetic waveguides; Frequency; Magnetic materials; Metamaterials; Permittivity; dielectric; finite element method; metamaterials; traveling-wave tube;
Conference_Titel :
Vacuum Electronics Conference, 2008. IVEC 2008. IEEE International
Conference_Location :
Monterey, CA
Print_ISBN :
978-1-4244-1715-5
DOI :
10.1109/IVELEC.2008.4556469
