Polarization independent broadband metamaterial absorber for microwave applications

A new polarization independent broadband metamaterial absorber (MA) structure based on split ring resonators which are loaded with lumped elements and via connection lines is proposed. The designed structure shows a perfect absorption between 4 and 16 GHz which is validated by simulation studies. Ex...

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Bibliographic Details
Published inInternational journal of RF and microwave computer-aided engineering Vol. 29; no. 1; pp. e21630 - n/a
Main Authors Bağmancı, Mehmet, Akgöl, Oğuzhan, Özaktürk, Melikşah, Karaaslan, Muharrem, Ünal, Emin, Bakır, Mehmet
Format Journal Article
LanguageEnglish
Published Hoboken, USA John Wiley & Sons, Inc 01.01.2019
Hindawi Limited
Subjects
absorber
Absorbers
Absorbers (materials)
Absorption
Broadband
Computer simulation
Energy harvesting
metamaterial
Metamaterials
Polarization
Resistors
Wireless power transmission
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Summary:A new polarization independent broadband metamaterial absorber (MA) structure based on split ring resonators which are loaded with lumped elements and via connection lines is proposed. The designed structure shows a perfect absorption between 4 and 16 GHz which is validated by simulation studies. Experimental study is only made for the structure that has no via connections and no the lumped element resistors to show the importance of these entities in the proposed metamaterial structure. Both numerical and experimental study results show that broadband MA property depends on the resistors and via connections on the proposed structure. By having high absorption in a wideband range which is numerically demonstrated, the proposed structure can be used in energy harvesting or wireless power transfer applications with higher efficiencies.
ISSN:1096-4290
1099-047X
DOI:10.1002/mmce.21630