DocumentCode :
1014797
Title :
Experimental verification of the reduction of coupling between dipole antennas by using a woodpile substrate
Author :
Ederra, Inigo ; Pascual, B.M. ; Teniente, Jorge ; Gonzalo, Ramon ; de Maagt, Peter
Author_Institution :
Dept.of Electr. & Electron. Eng., Univ. Publica de Navarra, Pamplona, Spain
Volume :
54
Issue :
7
fYear :
2006
fDate :
7/1/2006 12:00:00 AM
Firstpage :
2105
Lastpage :
2112
Abstract :
In this paper, the mutual coupling between dipole antennas placed on top of a woodpile structure is experimentally investigated. The coupling between dipoles backed by a woodpile substrate is compared with that obtained when the dipole antennas are placed on a dielectric substrate and when they radiate into free space. On average, between 2 and 7 dB reduction of the mutual coupling is achieved with respect to the dielectric substrate case when the woodpile substrate is used. The free space coupling is also reduced in the H-plane configuration case. However, the E-plane coupling slightly increases due to modification of the radiation pattern. Imaging array applications could potentially benefit from the use of EBG substrates due to the improved isolation between pixels.
Keywords :
antenna radiation patterns; dielectric materials; dipole antenna arrays; electromagnetic coupling; photonic band gap; substrates; E-plane coupling; EBG substrate; dielectric substrate; dipole antenna; electromagnetic bandgap technology; imaging array application; mutual coupling; radiation pattern; woodpile structure; Antenna radiation patterns; Antennas and propagation; Dielectric substrates; Dipole antennas; Frequency; Metamaterials; Mutual coupling; Periodic structures; Planar arrays; Space technology; Electromagnetic bandgap (EBG) technology; imaging array; mutual coupling; planar antennas;
fLanguage :
English
Journal_Title :
Antennas and Propagation, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-926X
Type :
jour
DOI :
10.1109/TAP.2006.877192
Filename :
1650410
Link To Document :
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