Theory of a periodic cylindrical waveguide with a nonuniform metaldielectric filling
Abstract
A theory of wave propagation through a screened annular waveguide with a piecewisecontinuous fielding is developed. The coupled fields in the dielectric layers are described with the aide of a characteristic matrix. The conditions at the discrete boundary yield a set of functional equations characteristic of the RiemannHilbert problem. The propagation constant follows from the condition that the determinantal of the equivalent algebraic set should be equal to zero. Analysis of the field phase and reduced amplitude in a wide range of variation of the waveguide parameters suggests promising performance characteristics of the structure as a prototype mode and spatial spectrum selector.
 Publication:

NASA STI/Recon Technical Report N
 Pub Date:
 1988
 Bibcode:
 1988STIN...9021945K
 Keywords:

 Computer Programs;
 Cylindrical Bodies;
 Dielectrics;
 Electrodynamics;
 Wave Propagation;
 Waveguides;
 Algebra;
 Matrices (Mathematics);
 Prototypes;
 Selectors;
 Wave Dispersion;
 Communications and Radar