NDLI: Hybrid ray-mode formulation of parallel plane waveguide Green's functions

Content Provider	IEEE Xplore Digital Library
Author	Felsen, L. Kamel, A.
Copyright Year	1963
Abstract	A line-source excited parallel plane waveguide with perfectly conducting or surface impedance walls is investigated in the high frequency range where alternative field representations involve many rays or many modes. It is shown that a hybrid ray-mode field representation can be developed whereby the truncation remainder of a mode series can be expressed in terms of ray fields or, conversely, the truncation remainder of a ray series can be expressed in terms of guided modes. A great variety of appropriate ray-mode combinations, each determined from a physically well-founded criterion, is possible: with respect to propagation angles measured at the source, the retained modes are those whose characteristic plane wave propagation angles fill the void left by the truncated ray series and vice versa. The analysis thus clarifies and quantifies the intimate relation between a bundle of rays and a corresponding bundle of modes. The accuracy of various ray-mode mixtures, and computational simplifications gained thereby, are illustrated in several numerical examples covering different parameter ranges, with the conventional guided mode series serving as a reference solution.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	637
Ending Page	649
Page Count	13
File Size	1110206
File Format	PDF
ISSN	0018926X
Volume Number	29
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1981-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Planar waveguides Green's function methods Frequency Optical waveguides Surface waves Optical reflection Surface impedance Sea measurements Goniometers Nonuniform electric fields
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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