Accession Number : ADD013689

Title :   Planar Three-Dimensional Constrained Lens for Wide-Angle Scanning.

Descriptive Note : Patent, Filed 2 May 86, patented 26 Jan 88,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : McGrath, Daniel T

Report Date : 26 Jan 1988

Pagination or Media Count : 8

Abstract : A planar microwave beamforming lens system achieves wide-angle scanning using a planar lens by using a design in two degrees of freedom. One degree of freedom is provided by varying lengths of transmission lines between aperture side elements and feed side elements as a function of radius. A second degree of freedom results from the distribution of feed side elements so that they are displaced radially from their corresponding aperture elements as a function of the radius of the planar lens. All aperture antenna elements are regularly distributed over the aperture side of the planar lens.

Descriptors :   *ANTENNA APERTURES, *ANTENNA ARRAYS, *ANTENNA COMPONENTS, *FEEDING, *PATENTS, DEGREES OF FREEDOM, LENGTH, LENSES, PLANAR STRUCTURES, SCANNING, SIDES, THREE DIMENSIONAL, TRANSMISSION LINES, WIDE ANGLES

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE