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conference paper

Acoustic Leaky-Wave Antenna

Esfahlani, Hussein  
•
Karkar, Sami  
•
Lissek, Hervé  
2014
2014 8Th International Congress On Advanced Electromagnetic Materials In Microwaves And Optics (Metamaterials)
8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials 2014

In the last years, the number of studies carried out in the field of acoustic metamaterials has significantly increased. In year 2009, our group proposed a concept of acoustic composite right/left hand transmission line (CRLH-TL) metamaterial, consisting of a waveguide periodically loaded with membranes along the duct, and transverse open channels (denoted “stubs”). It has then paved the way to antenna applications among which “Acoustic Leaky-Wave Antenna”. As, these antennas have very special properties such as frequency-dependant directivity, several practical applications are foreseen in the future. However, preliminary experimental work show that the low radiation efficiency of such axisymmetrical structures prevents its use in practice. To counteract this issue, an idea would consist in designing a similar structure, but with plane-symmetry rather than axial-symmetry. In this article, following our path on maturing the Acoustic Leaky-Wave antenna we propose an optimized design which unlike our previous structure is only radiating in the upper plane.

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Type
conference paper
DOI
10.1109/MetaMaterials.2014.6948575
Web of Science ID

WOS:000349110600134

Author(s)
Esfahlani, Hussein  
•
Karkar, Sami  
•
Lissek, Hervé  
Date Issued

2014

Published in
2014 8Th International Congress On Advanced Electromagnetic Materials In Microwaves And Optics (Metamaterials)
ISBN of the book

978-1-4799-3450-8

978-1-4799-3452-2

Subjects

Acoustic Metamaterial

•

Acoustic Leaky-wave Antenna

URL

URL

http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6948575
Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTS2  
LEMA  
Event nameEvent placeEvent date
8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials 2014

Copenhagen, Denmark

August, 25-30, 2014

Available on Infoscience
January 13, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/110221
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