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SIKDER SUNBEAM ISLAM1,2,* , MD. MEHEDI HASAN1,* , MOHAMMAD RASHED IQBAL FARUQUE1,* , MOHAMMAD TARIQUL ISLAM3,*
- Space Science Centre (ANGKASA), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
- Department of EEE, International Islamic University Chittagong, Chittagong, Bangladesh
- Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
A double-arrow-shaped negative refractive index (NRI) metamaterial is presented that magnetic inclusion was etched by copper over the epoxy resin composite with woven glass fabric, and its performance was investigated for two incidences (xand z-axis) of the metamaterial. The numerical and experimental transmittance (S21) are well compiled at 6.52 GHz, whereas the metamaterial shows double negative characteristics at 7.51 GHz. Further, the NRI metamaterial refractive index curve shows the negative region peaks from 5.01 GHz to 6.06 GHz (nearly 1 GHz bandwidth) and 7.37 GHz to 10 GHz (more than 2 GHz bandwidth) in the microwave regions for the z-axis wave propagation. A circuit model and necessary experimental results were provided to demonstrate the resonant behavior. Besides, the metamaterial displays the NRI property in the region of S-, C- and X-bands for the x-axis transmission with better effective medium properties..
DNG, Metamaterial, NRI.
Submitted at: May 25, 2017
Accepted at: Feb. 12, 2018
SIKDER SUNBEAM ISLAM, MD. MEHEDI HASAN, MOHAMMAD RASHED IQBAL FARUQUE, MOHAMMAD TARIQUL ISLAM, Double arrow shaped negative index metamaterial for tri-band applications, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 1-2, pp. 1-6 (2018)
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