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Principles and applications of a controllable electromagnetic band gap material to a conformable spherical radome

Published online by Cambridge University Press:  03 April 2009

S. Haché ,
S. N. Burokur ,
A. de Lustrac ,
F. Gadot ,
P. Cailleu  and
G.-P. Piau
S. Haché
Affiliation:
IEF, Université Paris-Sud, 91405 Orsay, France
S. N. Burokur
Affiliation:
IEF, Université Paris-Sud, 91405 Orsay, France
A. de Lustrac*
Affiliation:
IEF, Université Paris-Sud, 91405 Orsay, France
F. Gadot
Affiliation:
IEF, Université Paris-Sud, 91405 Orsay, France
P. Cailleu
Affiliation:
EADS Research Center, 92000 Suresnes, France
G.-P. Piau
Affiliation:
EADS Research Center, 92000 Suresnes, France
*
andre.delustrac@ief.u-psud.fr
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Abstract

This paper presents the principle of two types of conformable and controllable spherical radome based on Electromagnetic Band Gap (EBG) materials operating at around 10 GHz. The EBG structure is composed of a grid of metallic wires conformed on a hollow spherical object. Two switching control configurations are considered: (1) between an EBG structure made of electrically continuous wires and another one made of discontinuous wires, and (2) between two EBG structures made of discontinuous wires where each has a different period of discontinuities. Both switching configurations are simulated and experimentally characterized on passive prototypes. An excellent agreement is observed between simulations and measurements. The radiation patterns of two types of antennas, a horn antenna and a meteorological antenna, are also measured in the presence of the radome.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 46 , Issue 3: Metamaterials , June 2009 , 32611
Copyright
© EDP Sciences, 2009

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