Title :
New Type of Evanescent Modes in Fin-Lines
Author :
Omar, A.S. ; Schunemann, Klaus
Author_Institution :
Arbeitsbereich Hochfrequenztechnik, Technische Universitÿt Hamburg-Harburg, Postfach 90 14 03, D-2100 Hamburg 90, West Germany.
Abstract :
It is shown that complex modes, which are known to exist in rectangular and circular waveguides with dielectric inserts, can also exist in fin -lines. These modes exist always in pairs with complex conjugate propagation constants of opposite signs. The electric field of one mode of such a pair does not couple to its own magnetic field, but to the magnetic field of the other mode in such a way that the total power transmitted by the two modes is purely reactive.
Keywords :
Dielectrics; Electromagnetic fields; Electromagnetic scattering; Electromagnetic waveguides; Finline; Integrodifferential equations; Magnetic fields; Propagation constant; Rectangular waveguides; Transmission line matrix methods;
Conference_Titel :
Microwave Conference, 1985. 15th European
Conference_Location :
Paris, France
DOI :
10.1109/EUMA.1985.333499
