Low Profile Uhf/VHF Metamaterial Backed Circularly Polarized Antenna Structure

Rexhepi, Taulant; Bendoym, Igor; Popescu, Ada-Simona; Golovin, Andrii; Daniels, Johnny; Duncan, Kate J.; Crouse, David Frederic

doi:10.2528/pierc15090906

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Antenna System1

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2016

2022

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Cited by 2 publications

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“…The geometry of the radiator was based on the four-clover cross-dipole design which allows for slightly shortened length and relatively high gain [10]. This antenna is ideal for SATCOM applications particularly in airborne platforms.…”

Section: Antenna Systemmentioning

confidence: 99%

A Study of Composite Substrates for VHF and Uhf Artificial Magnetic Conductors and Their Application to a Satcom Antenna

Rexhepi¹,

Crouse²

2016

PIER C

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Abstract-The bandwidth of Artificial Magnetic Conductor (AMC) structures based on the square patch geometry has been significantly increased by using composite ferrite particles. These magnetic composites are non-conducting materials which achieve extraordinarily high values of magnetic permeability in the VHF and UHF range. Two AMC designs are presented for two different bands: the lower VHF and the VHF/UHF bands. To realize the ultra-high bandwidth for those ranges two particular materials were considered; nickel zinc and bismuth strontium titanate based ferrites. The AMCs were designed and modeled via numerical simulations using real material parameters as reported in literature. A cross-dipole radiator was integrated with the AMC to create a wideband directive antenna for SATCOM applications.

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Section: Antenna Systemmentioning

confidence: 99%