The schematic diagram of the proposed dual-band near-infrared plasmonic absorber is illustrated in Fig. 3. The difference between this structure and the single-band plasmonic absorber in Fig. 1 is that a new rectangle nanoresonator is introduced to be side-coupled with the air groove. The groo...
Furthermore, it is found out that negative refractive index, permeability and permittivity are dependent upon the width of the wire and the gap between resonators at near-infrared range. This work will be helpful for the fabrication and design of double negative metamaterials structure having ...
A blue-shift tunable metamaterial (MM) exhibiting a double-negative refractive index based on topological insulator (Bismuth Selenide, BiSe) has been demonstrated in the near-infrared (N-IR) spectral region. The potential of BiSeas a dielectric interlayer of the multilayer MM is explored. The opt...
51Citations 1Altmetric Metrics Abstract All-dielectric nanostructures have recently opened exciting opportunities for functional nanophotonics, owing to their strong optical resonances along with low material loss in the near-infrared range. Pushing these concepts to the visible range is hindered by their...
We can see a repulsive force in a wavelength range spanning a considerable part of the infrared spectrum (1:1{2:9 mm), which corresponds to a frequency range 100–270 THz. This constitutes a huge fractional bandwidth well beyond the possibilities of narrowband isotropic e-near-zero materials,...
Both zero refractive index and high refractive index can be achieved by double-sided coupling effect of metamaterials. Importantly, the experimental results about high and near zero refractive index metamaterials are implemented to confirm the results of theoretical design....
Sol’s light, severely red-shifted, would have moved into the infrared and would be invisible to human eyes. If the destination is Alpha Centauri that star would also be invisible, having been blue-shifted up into the ultraviolet range. As velocity increases still more, a growing zone of ...
The topic of active metamaterials and metafilm has recently attracted significant attention20–26, and active absorption tuning in the mid-infrared has been accomplished with graphene-based metasurface devices21–24. Up to now the changes in the magnitude of the absorption per applied volt have ...
etc. are some prominent applications of the metamaterial. Metamaterials can be classified as either single negative or double negative based on the fact that any one of permeability or permittivity is negative or both are negative. Artifical metamaterial can be constructed with metalic rings in associ...
[42] S. Zhang, W. Fan, K. J. Malloy, and S. R. J. Brueck, "Near-infrared double negative metamaterials," Optics Express, vol. 13, pp. 4922-4930, June,2005. [43] S. Zhang, W. Fan, K. J. Malloy, S. R. J. Brueck, N. C. Panoiu, and R. ...