Planar Metamaterial Microwave Absorber for all Wave Polarizations

We present a design for a polarization insensitive metamaterial absorber at 9.5 GHz by utilizing properly arranged resonant unit cells with orthogonal polarization sensitivity. Full-wave electromagnetic simulation demonstrates nearly perfect microwave absorption, which has been verified by experimen...

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Bibliographic Details
Published inChinese physics letters Vol. 26; no. 11; p. 114102
Main Authors Bo, Zhu, Zheng-Bin, Wang, Zhen-Zhong, Yu, Qi, Zhang, Jun-Ming, Zhao, Yi-Jun, Feng, Tian, Jiang
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.11.2009
Subjects
Incident waves
Metamaterials
Microwave absorbers
Microwave absorption
Polarization
Simulation
Transverse electric modes
Unit cell
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Summary:We present a design for a polarization insensitive metamaterial absorber at 9.5 GHz by utilizing properly arranged resonant unit cells with orthogonal polarization sensitivity. Full-wave electromagnetic simulation demonstrates nearly perfect microwave absorption, which has been verified by experimental measurement with a maximum absorption of about 92% for incident wave with different polarizations. Furthermore, we find such a metamaterial thin absorber could work for a wide incident angle ranging from 0 degree to 50 degree with absorption no less than 80% for both the transverse electric mode and transverse magnetic mode.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/26/11/114102