Journal
OPTICS EXPRESS
Volume 26, Issue 25, Pages 33253-33262Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.26.033253
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Funding
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [103.02-2017.67]
- Vietnam Academy of Science and Technology (VAST) [VAST.CTG.01/17-19]
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We numerically and experimentally investigate a broadband, polarization-independent and wide-incident-angle metamaterial perfect absorber (MPA) based on conductive polymer. By optimizing the electrical conductivity of the polymer, a 16.7 GHz broadband MPA is observed with the absorptivity greater than 80% for both transverse magnetic and electric polarization. The measurement results performed in the range 8-18 GHz show a diametrical concatenation with simulation results and theoretical analysis. The absorption mechanism is explained by demonstrating the influence of polymer conductivity on the dissipated power, the equivalent impedance. and the induced electric field. Our work may contribute to further studies on broadband MPA using for various applications. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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