Directive photonic-bandgap antennas

Thévenot, Marc; Cheype, C.; Reineix, Alain; Jecko, Bernard

doi:10.1109/22.798007

Cited by 309 publications

(173 citation statements)

References 12 publications

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“…The possibility of achieving directive radiation from simple sources by employing planar layered structures made of artificial materials has been studied by several research groups, from the early investigations by Gupta [1] to more recent ones stimulated by the advent of electronic band-gap materials and of metamaterials [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

3D Directive Radiation from a Horizontal Dipole Embedded in a Homogenized Grounded Wire-Medium Slab

Burghignoli

Lovat

Capolino

et al. 2006

2006 IEEE Antennas and Propagation Society International Symposium

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Section: Introductionmentioning

confidence: 99%

3D Directive Radiation from a Horizontal Dipole Embedded in a Homogenized Grounded Wire-Medium Slab

Burghignoli

Lovat

Capolino

et al. 2006

2006 IEEE Antennas and Propagation Society International Symposium

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“…EBG materials are periodic structures composed of dielectric and/or metallic elements. Potential applications have been suggested in microwave and antenna domains, such as suppressing surface waves [3], creating controllable beams [4,5], and designing high-gain antennas with a single feed [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Multi-Layer Crystals of Metallic Wires: Analysis of the Transmission Coefficient for Outside and Inside Exciation

Boutayeb¹,

Mahdjoubi²,

Tarot³

2006

PIER

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Abstract-This paper proposes a new analysis of the transmission coefficient at normal incidence for 2-D periodic crystals (also called Electromagnetic Band Gap (EBG) structures), which are finite in the direction of wave-propagation and are composed of metallic wires. The crystal is considered as a set of parallel Partially Reflecting Surfaces (PRSs), whose transmission and reflection characteristics are obtained rigorously using the Finite Difference Time Domain (FDTD) method. The transmission coefficient of the EBG structure is then obtained by using a plane-wave cascading approach considering single mode interactions between PRSs. The accuracy of the results given by the hybrid method is assessed compared to those obtained directly by the Finite Difference Time Domain (FDTD) method. The minima and maxima envelops and the resonance frequencies of the transmission coefficient are studied, with analytical expressions, for both, excitation from outside and excitation from inside. A discussion is also presented concerning the strength of the coefficient greater than one obtained when the plane-wave source is inside the EBG structure. In addition, by using a transmission line model, a normalized version for this coefficient is proposed, which considers the available power by the source.

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“…Several potential applications have been suggested for EBG materials in microwave and antenna domains, such as suppressing surface waves [3], designing single-feed compact high-gain antennas [4,5] or creating controllable beams [6,7].…”

Section: Introductionmentioning

confidence: 99%

Focusing Characteristics of a Metallic Cylindrical Electromagnetic Band Gap Structure With Defects

Boutayeb¹,

Tarot²,

Mahdjoubi³

2006

PIER

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Abstract-The focusing characteristics of 2D-Cylindrical Electromagnetic Band Gap (CEBG) structures constituted of metallic wires and with defects are analyzed numerically for directive antennas application. The introduction of defects into the periodic structures consists of removing one or multiple wires. The simulations were carried out with a Finite Difference Time Domain (FDTD) code, where the excitation is a line source and the CEBG structure is considered infinite in the vertical direction. Numerical results showing the effects of the number of cylindrical layers and of the number of defects are presented and discussed. These results allow to determine the structures giving best focusing performance and to obtain the frequency band for directive radiation.

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Directive photonic-bandgap antennas

Cited by 309 publications

References 12 publications

3D Directive Radiation from a Horizontal Dipole Embedded in a Homogenized Grounded Wire-Medium Slab

3D Directive Radiation from a Horizontal Dipole Embedded in a Homogenized Grounded Wire-Medium Slab

Multi-Layer Crystals of Metallic Wires: Analysis of the Transmission Coefficient for Outside and Inside Exciation

Focusing Characteristics of a Metallic Cylindrical Electromagnetic Band Gap Structure With Defects

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