Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/6451
Title: Polarization and Oblique Incidence Insensitive Dual-Band Metamaterial Absorber for Wi-Fi Applications
Authors: İla Yalçınkaya, Bahar
Yaldız, Ercan
Keywords: Metamaterial
Absorber
Resonator
Wi-Fi band
Publisher: Selcuk University Faculty of Technology
Abstract: In this work, polarization and oblique incidence insensitive dual-band metamaterial-based absorber is designed for Wi-Fi bands. The proposed metamaterial absorber (MMA) structure consists of a resonator layer, dielectric layer, and ground plane. The resonator layer occurs from two closed square rings. While the first ring ensures absorbance at 2.45 GHz, second one provides absorbance at 5 GHz. MMA structure has been designed and analyzed with Ansys HFSS full-wave electromagnetic (EM) simulation software. According to the results under normal incidence MMA provides in 2.45 GHz and 5 GHz 98.8% and 99.66% absorption rate, respectively. In addition, the EM wave to the MMA structure has been examined under TE and TM polarizations, polarization angle, and oblique incidence angle. It has been observed that the peak absorptions remain constant in TE and TM polarization. On the other hand, the proposed MMA is ensured over 92% absorbance in oblique incidence in 2.45 GHz and 5 GHz at 𝜽 = 𝟓𝟎°. According to the results, MMA is quite insensitive for both polarization and oblique incidence. These results obtained show that the structure for the Wi-Fi bands can be efficient for communication systems applications.
URI: https://hdl.handle.net/20.500.13091/6451
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu

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