NDLI: Design of corrugated plates for phased array matching

Content Provider	IEEE Xplore Digital Library
Author	DuFort, E.
Copyright Year	1963
Abstract	The reflection coefficient for an array of identical nonuniformly corrugated plates phased to launch a plane wave in any direction is calculated exactly. The plate spacing is limited only by the grating lobe condition, and the corrugations in each plate may be of arbitrary depth, or the bottom of each corrugation may be terminated in an arbitrary admittance. The conditions for the occurrence of a surface wave effect, corresponding to a total array mismatch or a null in the element pattern, are derived in general for arrays having an adjustable short-circuited parasitic element (such as a corrugation) with each driven element. It is shown that the existence of such a surface wave effect often can be predicted solely from the symmetry of the array in question. The optimum position of the short circuit for the best match also is discussed. Although corrugated plate arrays can be deliberately adjusted to exhibit a surface wave phenomenon in theHplane, the effect is easily avoided for the most practical ranges of scan. Design data are given for an array with one corrugation per plate for varying amounts ofE-plane andH-plane scan, and for scanning within an octant of a sphere.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	37
Ending Page	46
Page Count	10
File Size	1034384
File Format	PDF
ISSN	0018926X
Volume Number	16
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1968-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased arrays Arrayed waveguide gratings Circuits Surface waves Optical waveguides Corrugated surfaces Antenna arrays Polarization Tellurium Optical surface waves
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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