Abstract
We investigate in this work Terahertz metamaterial resonators which can provide a high gain and directivity. We demonstrate that a metamaterial behavior can be realized from the proposed terahertz metamaterial called metasurface structure, a linearly polarized wave is converted to circularly polarized waves. The proposed structure consists of 25 unit cells arranged in a 5 × 5 layout. Each unit cell present a Dodecagon Split Ring Resonator (D-SRR) and offert double circular polarisation in the right- and left-handed (RHCPs and LHCP). To enhance the antenna performances in terms of coefficient reflexion, directivity and gain an effective method based on metasurface cavity is presented. The metasurface increase the directivity and the gain to be 5.04 dB and 8.19 dB respectively and to enhance the bandwith to be 93%. Based on these results and good performance, proposed antenna may be a candidate for several applications such as the defence industry to medical, education, or communication areas.
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Bendaoudi, A., Benkhallouk, K., Berka, M., Mahdjoub, Z. (2023). One-Layer and Dual-Polarized Metamaterial Inspired Antenna Using Dodecagon Split Ring Resonator Mushroom and Metasurface for Terahertz Applications. In: Hatti, M. (eds) Advanced Computational Techniques for Renewable Energy Systems. IC-AIRES 2022. Lecture Notes in Networks and Systems, vol 591. Springer, Cham. https://doi.org/10.1007/978-3-031-21216-1_26
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DOI: https://doi.org/10.1007/978-3-031-21216-1_26
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