Title :
Cutoff wavelengths of metallic waveguides with elliptical cross section
Author :
Tsogkas, Georgios D. ; Roumeliotis, John A. ; Savaidis, Stylianos P.
Author_Institution :
Sch. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Athens, Greece
Abstract :
The cutoff wavelengths ¿cmn of metallic waveguides with elliptical cross section are determined analytically. Two alternative methods, namely, a field and a shape perturbation method are used in the proposed analysis. Exact, closed form expressions, free of Mathieu as well as of Bessel functions, are obtained for the cutoff wavelengths, when the solution is specialized to small values of the eccentricity of the elliptical cross section. Numerical results for all types of modes are also included.
Keywords :
waveguide theory; cutoff wavelengths; elliptical cross section; metallic waveguides; shape perturbation method; Closed-form solution; Educational technology; Electromagnetic propagation; Electromagnetic waveguides; Feeds; Particle beams; Perturbation methods; Radar cross section; Shape; Wave functions; Analytical; closed form expressions; cutoff wavelengths; elliptical metallic waveguides;
Conference_Titel :
Microwaves, Communications, Antennas and Electronics Systems, 2009. COMCAS 2009. IEEE International Conference on
Conference_Location :
Tel Aviv
Print_ISBN :
978-1-4244-3985-0
DOI :
10.1109/COMCAS.2009.5386074
