Self-Assembly 3D Metamaterials

Stress-Driven Split-Ring Resonators

We demonstrate a self-assembly strategy for fabricating three dimensional (3D) metamaterials. This strategy represents the desired 3D curving prongs of the split ring resonators (SRRs) erected by metal stress force with appropriate thin film parameters. Transmittance spectra and field patterns corresponding to each resonance modes are calculated by finite element method (FEM). The eigen-modes of the SRRs can be excited by normal illumination with polarization state parallel to the erected SRRs, which are unlike for the cases of planar SRRs. This method opens a promising fabrication process for the application of tailored 3D SRRs.

Fabrication of three dimensional split ring resonators by stress-driven assembly method

C. C. Chen, C. T. Hsiao, S. L. Sun, K.-Y. Yang,P. C. Wu, W. T. Chen, Y. H. Tang, Y.-F. Chau, E. Plum, G.-Y. Guo, N. I. Zheludev, D. P. Tsai

Optics Express 20(9), 115-120 (2012) [Link]

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