The resonant frequency of metamaterials structured with split ring resonator (SRR) meta-atoms is determined primarily through the capacitance and inductance of the individual meta-atoms. Two designs that vary inductance incrementally were modeled, simulated, fabricated, and tested to investigate the role inductance plays in metamaterial designs. The designs consisted of strategically adding sections to the SRR to increase the inductance, but in a manner that minimized capacitance variations. Each design showed a shift in resonant frequency that was proportional to the length of the added section. As the length of each section was increased, the resonant frequency shifted from 2.78 GHz to 2.18 GHz.
Langley, D., Coutu, R.A. & Collins, P.J. (2012). Using Inductance as a Tuning Parameter for RF Meta-atoms. Nano-Micro Lett. 4, 103–109, doi: https://doi.org/10.1007/BF03353700
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