Yellow-light Negative-index Metamaterials
Shumin Xiao, Uday K. Chettiar, Alexander V. Kildishev, Vladimir P., Drachev, and Vladimir M. Shalaev
TL;DR
This paper reports the development of a miniaturized silver fishnet metamaterial that exhibits a negative refractive index of -0.25 at 580 nm, demonstrating a significant advancement in optical negative-index materials.
Contribution
The study presents a novel miniaturized design of a silver fishnet metamaterial functioning at visible wavelengths, specifically at yellow light, with experimental and simulation validation.
Findings
Negative refractive index of -0.25 at 580 nm
Miniaturization of fishnet structure for visible light
Agreement between experimental and simulated results
Abstract
A well-established, silver fishnet design has been further miniaturized to function as a negative-index material at the shortest wavelength to date. By studying the transmittance, reflectance, and corresponding numerical simulations of the sample, we report in this paper a negative refractive index of -0.25 at the yellow-light wavelength of 580 nm.
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