US 12,381,330 B2
Ultrawide-band dual polarization three-dimensional tapered aperture Vivaldi antenna
Amir I. Zaghloul, Bethesda, MD (US); Quang M. Nguyen, Odenton, MD (US); Theodore K. Anthony, Randallstown, MD (US); and Gregory A. Mitchell, Columbia, MD (US)
Assigned to The United States of America as represented by the Secretary of the Army, Washington, DC (US)
Filed by U.S. Army DEVCOM, Army Research Laboratory, Adelphi, MD (US)
Filed on Jul. 10, 2023, as Appl. No. 18/219,769.
Prior Publication US 2025/0023247 A1, Jan. 16, 2025
Int. Cl. H01Q 13/08 (2006.01); H01P 3/06 (2006.01); H01Q 21/24 (2006.01)
CPC H01Q 13/085 (2013.01) [H01P 3/06 (2013.01); H01Q 21/24 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An ultrawide-band dual polarization 3D tapered aperture Vivaldi antenna comprising:
a radiator having two pairs of tapering arms, each pair corresponding to a different polarization and the tapering arms spaced thereof closest to one another at a feed point location of the antenna and taper outwardly in opposite directions, thus forming a 3D Vivaldi antenna aperture therebetween; and
a dual feed balun connecting to each of the two pairs of tapering arms and providing a separate channel for each of the polarizations.