Open AccessWaveguide Structures with Improved Cut-off Frequency and Bandwidth
Author(s) -
Ramakrushna Panigrahi,
Sabyashachi Mishra,
P. V. Y. Jayasree
Publication year - 2019
Publication title -
international journal of innovative technology and exploring engineering
Language(s) - English
Resource type - Journals
ISSN - 2278-3075
DOI - 10.35940/ijitee.b1020.1292s319
Subject(s) - ridge , attenuation , bandwidth (computing) , optics , wavelength , finite element method , materials science , acoustics , physics , geology , telecommunications , engineering , paleontology , thermodynamics
The wave transmission characteristics of rectangular, double-ridge, trapezoidal-ridge and anti-trapezoidal ridge waveguides are analyzed using the finite-element method. The cut-off wavelength and attenuation of these waveguides are calculated. The result shows that anti-trapezoidal ridge waveguides perform better than rectangular, double-ridge and trapezoidal-ridge waveguides. The variation of bandwidth and attenuation with respect to change in the angle of physical ridge structures has been studied while migrating from rectangular to anti-trapezoidal ridge structures.