| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Planar Metamaterial Microwave Absorber for all Wave Polarizations |
| ZHU Bo1, WANG Zheng-Bin1, YU Zhen-Zhong1, ZHANG Qi1, ZHAO Jun-Ming1, FENG Yi-Jun1,2, JIANG Tian 1,2 |
| 1Department of Electronic Science and Engineering, Nanjing University, Nanjing 2100932State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096 |
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| Cite this article: |
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ZHU Bo, WANG Zheng-Bin, YU Zhen-Zhong et al 2009 Chin. Phys. Lett. 26 114102 |
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Abstract We present a design for a polarization insensitive metamaterial absorber at 9.5GHz 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°to 50° with absorption no less than 80% for both the transverse electric mode and transverse magnetic mode.
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| Keywords:
41.20.Jb
78.68.+m
78.20.Ci
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Received: 16 December 2008
Published: 30 October 2009
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| PACS: |
41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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78.68.+m
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(Optical properties of surfaces)
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78.20.Ci
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(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
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