Flexible Metamaterial-Based Frequency Selective Surface with Square and Circular Split Ring Resonators Combinations for X-Band Applications

Nagandla Prasad, Pokkunuri Pardhasaradhi, Boddapati Taraka Phani Madhav, Sudipta Das, Wahaj Abbas Awan and Niamat Hussain ()
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Nagandla Prasad: Antennas and Liquid Crystals Research Center, Department of ECE, Koneru Lakshmaiah Education Foundation, Vaddeswaram 522303, India
Pokkunuri Pardhasaradhi: Antennas and Liquid Crystals Research Center, Department of ECE, Koneru Lakshmaiah Education Foundation, Vaddeswaram 522303, India
Boddapati Taraka Phani Madhav: Antennas and Liquid Crystals Research Center, Department of ECE, Koneru Lakshmaiah Education Foundation, Vaddeswaram 522303, India
Sudipta Das: Department of Electronics & Communication Engineering, IMPS College of Engineering and Technology, Malda 732103, India
Wahaj Abbas Awan: Department of Information and Communication Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
Niamat Hussain: Smart Device Engineering, Sejong University, Seoul 05006, Republic of Korea

Mathematics, 2023, vol. 11, issue 4, 1-23

Abstract: To meet the demand for modern communication technology, the development of satellite communications has been consistently investigated. In this article, a rectangle-type SRR is attached to circular-type SRR for obtaining two frequencies in X-band operation. The designed structure exhibits negative metamaterial properties (Epsilon, mu and refractive index are negative) and the design was fabricated on a polyimide dielectric material with a 10 × 10 mm 2 size. The polyimide dielectric material is chosen with a thickness of 0.1 mm and a dielectric constant of 0.0027. The proposed unit cell is designed and simulated by using one of the numerical simulation tools, CSTMW studio, in which the frequency limit is chosen from 7 to 12 GHz. From the results, we can observe that the proposed design resonates at two X-band frequencies at 9.84 GHz and 11.46 GHz and the measurement results of the proposed design resonate at 9.81 GHz and 11.61 GHz. It is worth noting that the simulation and measurement findings both obtain the same X-band frequencies, with only a minor difference in the frequency values. Thus, the recommended design is very much useful for X-band applications.

Keywords: SRR; metamaterial; numerical simulation; satellite communication; modern communication (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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