P2-2: Tape-helix analysis of conductivity losses in a metal segment loaded helical SWS

Author

Pamisetty, Raja Ramana Rao ; Datta, Subrata Kumar ; Deshmukh, Vijay A. ; Kumar, Lalit

Author_Institution

Microwave Tube R&D Centre, Minist. of Defence, Bangalore, India

fYear

2010

fDate

18-20 May 2010

Firstpage

225

Lastpage

226

Abstract

Electromagnetic field analysis of a helical slow-wave structure was carried out following tape-helix model incorporating the effects of space-harmonic propagating modes and the effects of finite width of the tape. Using this analysis, RF loss in the structure due to the finite conductivities of the constituent materials was estimated. The analysis was validated against published results for a segment-less structure and against HFSS simulation for a metal segment loaded structure.

Keywords

electrical conductivity; electromagnetic fields; helical waveguides; slow wave structures; HFSS simulation; RF loss; conductivity loss; electromagnetic field analysis; finite conductivity; finite width; helical slow-wave structure; helix traveling wave tube; metal segment loaded helical SWS; metal segment loaded structure; segment-less structure; space-harmonic propagating mode; tape-helix analysis; Conductivity; Current density; Dielectrics; Electromagnetic fields; Electron tubes; Load flow; Microwave technology; Radio frequency; Research and development; Space technology; Conductivity loss; helix slow-wave structure (SWS); helix traveling-wave tube (TWT);

fLanguage

English

Publisher

ieee

Conference_Titel

Vacuum Electronics Conference (IVEC), 2010 IEEE International

Conference_Location

Monterey, CA

Print_ISBN

978-1-4244-7098-3

Type

conf

DOI

10.1109/IVELEC.2010.5503522

Filename

5503522