Title :
Extraction of Lumped Circuit Parameters of Coupled-Cavity Structures by using 3D Finite Element Method
Author :
Lin, Wei-Chih ; Liao, Yi-Huan ; Peng, Kuan-Lin ; Tzun, Sun-Jie ; Lin, Ming-Chieh
Author_Institution :
Dept. of Phys., Fu Jen Univ.
Abstract :
Coupled-cavities are employed in the traveling-wave amplification of microwaves as slow wave structures. The general behavior of coupled-cavity structures can be suitably described by using a lumped circuit model. In this work, the parameters of the equivalent lumped circuits of the Hughes and the Chodorow-Nalos structures can be extracted by fitting the dispersion relations based on 3D HFSS simulations. The characteristics of the 3D structures can be simply described by the equivalent lumped circuits
Keywords :
finite element analysis; slow wave structures; 3D HFSS simulations; 3D finite element method; Chodorow-Nalos structures; Hughes structures; coupled-cavity structures; equivalent lumped circuits; lumped circuit model; lumped circuit parameters; slow wave structures; traveling-wave amplification; Boundary conditions; Circuit simulation; Coupling circuits; Dispersion; Eigenvalues and eigenfunctions; Finite element methods; Impedance; Klystrons; Numerical simulation; Periodic structures; Chodorow-Nalos structure; HFSS; Hughes structure; coupled-cavities; finite element method; lumped circuit model;
Conference_Titel :
Vacuum Electronics Conference, 2006 held Jointly with 2006 IEEE International Vacuum Electron Sources., IEEE International
Conference_Location :
Monterey, CA
Print_ISBN :
1-4244-0108-9
DOI :
10.1109/IVELEC.2006.1666226
