Resonance control of mid-infrared metamaterials using arrays of split-ring resonator pairs

Weisheng Yue, Zhihong Wang, John Whittaker, Fredrik Schedin, Zhipeng Wu, Jiaguang Han

    Research output: Contribution to journalArticlepeer-review

    10 Scopus citations


    We present our design, fabrication and characterization of resonance-controllable metamaterials operating at mid-infrared wavelengths. The metamaterials are composed of pairs of back-to-back or face-to-face U-shape split-ring resonators (SRRs). Transmission spectra of the metamaterials are measured using Fourier-transform infrared spectroscopy. The results show that the transmission resonance is dependent on the distance between the two SRRs in each SRR pair. The dips in the transmission spectrum shift to shorter wavelengths with increasing distance between the two SRRs for both the back-to-back and face-to-face SRR pairs. The position of the resonance dips in the spectrum can hence be controlled by the relative position of the SRRs. This mechanism of resonance control offers a promising way of developing metamaterials with tunability for optical filters and bio/chemical sensing devices in integrated nano-optics.
    Original languageEnglish (US)
    Pages (from-to)055303
    Issue number5
    StatePublished - Jan 11 2016


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