Design of an Optically Transparent Ultra-wideband Electromagnetic Absorber
2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)（2021）
Abstract
In this paper, we propose an ultra-wideband optically transparent electromagnetic absorber (EMA) with a fractional bandwidth of 113.09%. The absorber consists of a multi-layered transparent structure with a periodic indium-tin-oxide (ITO) patch array attached to a polyethylene terephthalate (PET) film layer. The absorber can reach -10dB attenuation rate in the range of 8.8-31.7 GHz for vertical incident electromagnetic waves under transverse electric (TE) and transverse magnetic (TM) polarization,
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Key words
Electromagnetic absorber,optically transparent polarization-insensitive
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