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When metamaterials are arranged in a stretchable platform, their practical applications (e.g., reconfigurable optoelectronic devices and biological sensors) can be greatly extended. B. Min and co‐workers take inspiration from the wrinkled structures of various bio‐organisms to develop a generic strategy for reversibly stretchable metamaterials. The structural integrities of the wrinkled THz metamaterials...
The use of wrinkling provides a generic route to stretchable metamaterials, with unprecedented terahertz tunability. The wrinkled metamaterial can be stretched reversibly up to 52.5%; the structural integrity can be maintained during at least 100 stretching/relaxing cycles. Importantly, the wrinkling of meta‐atoms offers a deterministic way to achieve controlled broadening of electrical resonance...
We demonstrate extremely high indices of refraction from large-area, freestanding, flexible terahertz metamaterials. The measured refractive index was greater than 20 at the quasi-static limit and 38.64 at its peak.
We fabricated two-dimensionally isotropic high index metamaterials composed of hexagonal/square metallic ring and demonstrated polarization-insensitive effective refractive indices in the terahertz frequency range.
We demonstrate extremely high indices of refraction from large-area, freestanding, flexible terahertz metamaterials. The highest index of refraction of 33.22 is obtained from a multilayer metamaterial at a frequency of 0.851 THz.
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