Abstract
In this paper, the analysis, design, and measurement of a split ring resonator reflectarray is presented. The 6 different designs of reflectarray are simulated to analyze the effect of splits position on resonance frequency. The SRR reflectarray which covered highest frequency bandwidth at Ku-band is fabricated and tested. In the fabrication, FR4 substrate is used. The S-parameter measurements of the fabricated reflectarray are performed by waveguide method. The obtained results have good reflection characteristics for a wide frequency range from 12 GHz to 16.5 GHz in Ku-band. The maximum value of reflection is achieved approximately at 15.3 GHz frequency
Highlights
In recent years the split ring resonators (SRR) played a vital role in radio frequency and microwave applications and their importance have increased with the advent of metamaterials
We present computation and experimental validation of the effect of gap position and orientation of gap with respect to the incident wave and neighboring elements on the resonance frequency and bandwidth using the waveguide method
The six different designs are simulated to investigate the effect of slit orientation on bandwidth enhancement of SRR
Summary
In recent years the split ring resonators (SRR) played a vital role in radio frequency and microwave applications and their importance have increased with the advent of metamaterials. A study is presented in [5] to analyze the miniaturization performance of SRR loaded antenna due to the split ring arrangement and slit position. Effective properties of SRR from its scattering parameters are determined using free space method for 8 GHz to 26 GHz frequency band in [7]. The numerical and experimental validation of individual, two and four coupled element single ring SRRs having one, two and four gaps, the orientation of gaps with respected to incident wave is presented in [16]. We present computation and experimental validation of the effect of gap position and orientation of gap with respect to the incident wave and neighboring elements on the resonance frequency and bandwidth using the waveguide method. The design covering a wide frequency range in Ku-band is fabricated and its transmission and reflection characteristics are calculated from the S-parameters measured with the help of network analyzer
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