An approach to the analysis of arbitrarily shaped helical groove waveguides

Author

Wei, Yanyu ; Wang, Wenxiang ; Sun, Jiahong

Author_Institution

Inst. of High Energy Electron., Univ. of Electron. Sci. & Technol., Chengdu, China

Volume

10

Issue

1

fYear

2000

fDate

1/1/2000 12:00:00 AM

Firstpage

4

Lastpage

6

Abstract

A simple but accurate approach to the analysis of the arbitrarily shaped helical groove structures is presented in this letter. The unified dispersion equation is obtained by means of an approximate field-theory analysis, in which the profile of the groove is approximately replaced by a serious of steps and the field continuity at the interface of two neighboring steps together with the matching conditions at the interface between the groove region and central region are employed. The derived transcendental equation is resolved numerically. A half-circular helical groove structure was manufactured and the cold measurement was made. The experimental data are in good agreement with the numerical calculation results

Keywords

helical waveguides; waveguide theory; dispersion equation; field theory analysis; helical groove waveguide; transcendental equation; Bandwidth; Circuits; Equations; Manufacturing; Millimeter wave communication; Millimeter wave measurements; Rectangular waveguides; Shape; Sun; Waveguide components;

fLanguage

English

Journal_Title

Microwave and Guided Wave Letters, IEEE

Publisher

ieee

ISSN

1051-8207

Type

jour

DOI

10.1109/75.842069

Filename

842069