NDLI: Loss Increases in Multimode Rectangular Infrared Waveguides Due to Helical Deformations

Content Provider	IEEE Xplore Digital Library
Author	Marhic, M.E.
Copyright Year	1963
Description	The coupling coefficients for all TE/sub pq/ and TM/sub pq/ modes of multimode rectangular waveguides, caused by elementary rotations about the three axes of symmetry, are calculated in the microwave approximation. The modes b coupled to a common mode a by these independent rotations form three nonoverlapping families. Furthermore if a deformation consisting of no more than two of these rotations is considered, none of the modes b are coupled to each other by that deformation. These properties lead, in the case of mild deformations, to the formulation of a multimode coupling theory which shows that the loss increase due to such deformations can then be viewed as the result of multiple two-mode coupling. Explicit formulas are derived for the loss increase of TE/sub p0/ due to mild circular bending. Qualitative features of twists and helical deformations are also brought out.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	671
Ending Page	678
Page Count	8
File Size	817265
File Format	PDF
ISSN	00189480
Volume Number	30
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1982-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rectangular waveguides Microwave theory and techniques Tellurium Waveguide components Slabs Genetic expression Waveguide transitions Nearest neighbor searches Coupled mode analysis
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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