Applied Physics A

, 122:316 | Cite as

Wideband polarization-insensitive metamaterial absorber with perfect dual resonances

  • Osman Ayop
  • Mohamad Kamal A. RahimEmail author
  • Noor Asniza Murad
  • Noor Asmawati Samsuri
Part of the following topical collections:
  1. Advanced Metamaterials and Nanophotonics


This paper presents the analysis of wideband polarization-insensitive metamaterial absorber with perfect dual resonances. The structure is designed using lossy FR4 substrate with copper layers. The resonating elements are designed using the combination of circular ring with modified circle-shaped structure. The resonating elements are printed on the top surface of FR4 substrate, while the bottom surface is printed with full copper ground plane. From the simulation, the proposed design achieves nearly perfect absorbance at dual resonant frequency with improved bandwidth compared to the general circular ring design. Two peaks absorbance of 98.66 and 99.84 % are observed at 9.81 and 10.41 GHz respectively with full width half maximum (FWHM) bandwidth of 1050 MHz or 10.38 % at normal incident EM wave. The structure is also simulated for different polarization angles and it is observed that the structure can maintain the absorbance characteristic for all polarization angles. The experimental work is done to validate the simulated result. It is confirmed that two peaks absorbance are achieved with magnitudes of 99.88 and 99.67 % at 10.14 and 10.79 GHz, respectively. The measured FWHM is 1160 MHz.


Resonant Frequency Polarization Angle Full Width Half Maximum Circular Ring Horn Antenna 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors thank the Ministry of Education (MOE) for supporting the research work; Research Management Centre (RMC), School of Postgraduate Studies (SPS), Communication Engineering Department, Faculty of Electrical Engineering (FKE), and Universiti Teknologi Malaysia (UTM) Johor Bahru for the support of the research under Grant Nos. 4F360 and 05H35.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Osman Ayop
    • 1
  • Mohamad Kamal A. Rahim
    • 1
    Email author
  • Noor Asniza Murad
    • 1
  • Noor Asmawati Samsuri
    • 1
  1. 1.Advanced RF and Microwave Research Group, Department of Communication Engineering, Faculty of Electrical EngineeringUniversiti Teknologi MalaysiaJohor BahruMalaysia

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