Title :
Ray interpretation of modes in curved nonuniform waveguides
Author :
Felsen, L.B. ; Maurer, S.J.
Author_Institution :
Polytechnic Institute of Brooklyn, Farmingdale, USA
Abstract :
The letter extends an earlier contribution, showing that, in curved as in straight waveguides, the modes can be described meaningfully in ray-optical terms, and that characteristic caustic surfaces play a significant role in generating the modal-ray system.
Keywords :
electromagnetic waves; waveguide theory;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19680056