Design and mathematical modeling of DNG metamaterial having six-band capabilities with high effective medium ratio

Binod Kumar Kanaujia and Praveen Chaurasia

Journal of Electromagnetic Waves and Applications, 2024, vol. 38, issue 6, 704-723

Abstract: In this paper, six-band double negative (DNG) metamaterial with a substantially high effective medium ratio (EMR) under the S and C microwave band is designed and investigated for multiple microwave applications. The proposed metamaterial unit cell consists of four Plus Appended Split Ring Resonator (PASRR) cells, which are combined with variable sides and positions by plus (+) shape stubs at the centre. All four Plus Appended Split Ring Resonator (PASRR) cells are mutually coupled with each other to vary the electrical length to achieve hexa Bands DNG characteristics in a lossy FR-4 epoxy substrate with the thickness of 1.5748 mm. A parameter extraction method has been used to extract effective permittivity (εeff), permeability (μeff) and refractive index (n). Moreover, the equivalent circuit model is obtained. Ansys HFSSTM software & Keysight ADSTM software are used to obtain the simulated and theoretical results, respectively, which agree measured with simulated and theoretical results.

Date: 2024
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DOI: 10.1080/09205071.2024.2324842

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