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A triple band square-interlinked-rhombus shaped metamaterial absorber for microwave C and X-band utilizations

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Abstract

In this research paper, a tri-band metamaterial absorber (MMA) is suggested to cover the satisfied level of absorption in the Microwave C- and X- band regions. The suggested MMA is structured by a unit cell which is printed on the top face of the FR4_Epoxy dielectric substrate. The copper patch of the unit cell consists of an inter-coupled split ring metamaterial resonator (SIR-SRR) with a square shape for the outer ring and a rhombus shape for the inner one. The unit cell size is optimized for electrical dimensions of (0.195 \({\lambda }_{0}\times \) 0.195 \({\lambda }_{0}\times \) 0.029 \({\lambda }_{0}\)) where \({\lambda }_{0}\) is the free space wavelength and is calculated at the lowest operating frequency of 5.86 GHz. The design of the SIR-SRR has passed through five stages according to five different models to have three absorption peaks. To understand the absorber behavior, a parametric study has been executed and discussed. The obtained results for the absorption qualities of the prescribed MMA show that it has co-polarization insensitive absorptions up to 180° and incident angle stability up to 90° for both transverse electric (TE) and transverse magnetic (TM) modes. It shows three absorption peaks of 86.23, 92.92 and 82.07% at frequencies of 5.86, 6.57 and 8.94 GHz, respectively for utilizations in microwave C- and X-bands. The proposed MMA presents effective electromagnetic qualities for microwave applications, especially for satellite, sensors and radar communications.

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All the data generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

This work was supported by the General Directorate of Scientific Research and Technological Development (DGRSDT), the body affiliated to the Algerian Ministry of Higher Education and Scientific Research. Also, the authors extend their appreciation to Prof. Dr. Zoubir Mahdjoub president of PRFU Project No A25N01UN220120200001 and Dr. Sudipta Das, for their supervision and observations for the improvement of this work.

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This research received no external funding.

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All authors contributed to the study, conception, design, simulation and measurements. Data collection, analysis, and simulation were initially carried out by MB, BF, TI, and SD. Additional input to analysis and simulation was given by AB, ZM, and LT. Fabrication and measurements have been carried out by BF. All authors contributed to complete the writing and presentation of the whole manuscript.

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Correspondence to Mohammed Berka.

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Berka, M., Fellah, B., Islam, T. et al. A triple band square-interlinked-rhombus shaped metamaterial absorber for microwave C and X-band utilizations. Opt Quant Electron 55, 1223 (2023). https://doi.org/10.1007/s11082-023-05511-3

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  • DOI: https://doi.org/10.1007/s11082-023-05511-3

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