Split Ring Resonator Arrays on a DNA Substrate
Inexpensive synthesis of custom DNA sequences has enabled the design of nanoscale structures that self-assemble with high yield  and high precision. Traditional “top-down” fabrication techniques, such as electron beam lithography, require costly equipment and are unsuitable for high-volume manufacturing due to limited throughput. To demonstrate the flexibility of DNA-based nanoscale structures, we designed and synthesized the Boise State “B” using 169 unique strands of DNA (Fig. 1a). Building on this success, we synthesized DNA crystals (Fig. 1b)  as scaffolds for the self-assembly of split ring resonators (SRRs – Fig. 1c,d). SRRs are gapped, conducting rings with negative permeability . Potential applications of split ring resonators include enhanced medical imaging, “super lenses” that can operate below the diffraction limit, and energy efficient interconnects for semiconductors . Here we describe the design and experimental progress in array synthesis and characterization.
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