A new patch antenna with metamaterial cover

Hu, Jun; Yan, Chunsheng; Lin, Qiang

doi:10.1631/jzus.2006.a0089

Cited by 42 publications

(23 citation statements)

References 12 publications

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“…6 and encouraging simulation results were reported. However, most of the studies are of theoretical nature and in the available literature there are very few experimental results (e.g.…”

Section: Introductionmentioning

confidence: 79%

Experimental investigation of radiation properties of an antenna embedded in low permittivity thin‐wire‐based metamaterial

Bonefačić

Hrabar

Kvakan

2006

Micro & Optical Tech Letters

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“…6 and encouraging simulation results were reported. However, most of the studies are of theoretical nature and in the available literature there are very few experimental results (e.g.…”

Section: Introductionmentioning

confidence: 79%

Experimental investigation of radiation properties of an antenna embedded in low permittivity thin‐wire‐based metamaterial

Bonefačić

Hrabar

Kvakan

2006

Micro & Optical Tech Letters

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“…These covers can be polarization-dependent to change the polarization state of the antenna [5,6]. Radomes involving FSS structures [1] are also linked to the concept of metaradome.…”

Section: Introductionmentioning

confidence: 99%

Metamaterials for Microwave Radomes and the Concept of a Metaradome: Review of the Literature

Özis

Osipov

Eibert

2017

International Journal of Antennas and Propagation

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A radome is an integral part of almost every antenna system, protecting antennas and antenna electronics from hostile exterior conditions (humidity, heat, cold, etc.) and nearby personnel from rotating mechanical parts of antennas and streamlining antennas to reduce aerodynamic drag and to conceal antennas from public view. Metamaterials are artificial materials with a great potential for antenna design, and many studies explore applications of metamaterials to antennas but just a few to the design of radomes. This paper discusses the possibilities that metamaterials open up in the design of microwave radomes and introduces the concept of metaradomes. The use of metamaterials can improve or correct characteristics (gain, directivity, and bandwidth) of the enclosed antenna and add new features, like band-pass frequency behavior, polarization transformations, the ability to be switched on/off, and so forth. Examples of applications of metamaterials in the design of microwave radomes available in the literature as well as potential applications, advantages, drawbacks, and still open problems are described.

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“…Remarkably, the negative index MTMs can be achieved by both negative permittivity and negative permeability in the same spectral region, which show the best performance, i.e., lower losses. Many applications have been proposed for MTMs, such as the interesting applications in antenna structures for miniaturization [1][2][3][4], bandwidth enhancement and directive emission [5][6][7][8][9][10][11][12][13]. An attractive category of MTMs known as the zero-index materials exhibit a considerable influence on the wave propagation and in increasing the directivity of dipole, linearly polarized microstrip, and linearly polarized horn antennas [14].…”

Section: Introductionmentioning

confidence: 99%

Improved Performance of Circularly Polarized Antenna Using Semi-Planar Chiral Metamaterial Covers

Zarifi¹,

Oraizi²,

Soleimani³

2012

PIER

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Abstract-The influence of semi-planar chiral metamaterial (CMM) structures on the important characteristics of circularly polarized (CP) antennas is investigated in this paper. Based on this idea, CP planar two-arm Archimedean spiral (ARSPL) antenna and helical antenna are designed and the effects of chiral covers on their gain (or directivity), axial-ratio (AR), and return loss are considered. The results demonstrate that this method is greatly effective and the addition of a semi-planar CMM cover at an optimized distance over the CP antenna, significantly improves its gain and axial ratio.

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A new patch antenna with metamaterial cover

Cited by 42 publications

References 12 publications

Experimental investigation of radiation properties of an antenna embedded in low permittivity thin‐wire‐based metamaterial

Experimental investigation of radiation properties of an antenna embedded in low permittivity thin‐wire‐based metamaterial

Metamaterials for Microwave Radomes and the Concept of a Metaradome: Review of the Literature

Improved Performance of Circularly Polarized Antenna Using Semi-Planar Chiral Metamaterial Covers

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