Title :
A Line Integral Perturbative Approach to the Computation of Cutoff Frequencies in Deformed Waveguides
Author :
Gentili, Gian Guido ; Pelosi, Giuseppe ; Selleri, Stefano
Author_Institution :
Dipt. di Elettron. e Inf., Politec. di Milano, Milan, Italy
Abstract :
A line integral perturbative analysis of deformed waveguides is discussed. As compared to available perturbative formulas, the line integral formula proposed has comparable accuracy and a much simpler implementation.
Keywords :
perturbation theory; waveguides; deformed waveguide; line integral formula; line integral perturbative approach; Cutoff frequency; Eigenvalues and eigenfunctions; Optical waveguides; Rectangular waveguides; Waveguide transitions; Electromagnetic waveguides; elliptical waveguides; perturbation methods;
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2015.2427579
