Title :
Estimation of conductivity losses in a helix slow-wave structure using eigen-mode solutions
Author :
Rao, P. Raja Ramana ; Datta, Subrata Kumar
Author_Institution :
Microwave Tube Res.&Dev. Centre, DRDO, Bangalore
Abstract :
This paper presents a simple method of estimating the attenuation constant due to conductivity losses and surface finish in a helix slow-wave structure, using the quality factor and dispersion characteristics obtainable from the eigen-mode solutions through 3D HFSS modeling. The method has been benchmarked against two practical structures published in the literature, and effect of surface finish on the attenuation constant is demonstrated.
Keywords :
Q-factor; eigenvalues and eigenfunctions; electrical conductivity; slow wave structures; surface finishing; 3D HFSS modeling; attenuation constant; conductivity losses; dispersion characteristics; eigen-mode solutions; helix slow-wave structure; quality factor; surface finish; Attenuation; Circuit simulation; Colon; Computational modeling; Conductivity measurement; Load flow; Loss measurement; Periodic structures; Q factor; Surface finishing; We suggest using at least three or more terms; between; colons; of keywords; use semi; your choice;
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.2008.4556452
