Refraction
*.The refractive index is retrieved from direct phase and amplitude measurements for transmission and reflection, which are all in excellent agreement with simulations.
*.When light moves from one medium to another as in the figure to the right, it changes direction, it is refracted.
*.A double-periodic array of pairs of parallel gold nanorods is shown to have a negative refractive index in the optical range.
*.Such behavior results from the plasmon resonance in the pairs of nanorods for both the electric and the magnetic components of light.
Reflectivity
*.Apart from the transmitted light there is also a reflected part.
*.The reflection angle is equal to the incidence angle, and the amount of light that is reflected is determined by the reflectivity of the surface.
*.The refractive index is retrieved from direct phase and amplitude measurements for transmission and reflection, which are all in excellent agreement with simulations.
*.When light moves from one medium to another as in the figure to the right, it changes direction, it is refracted.
*.A double-periodic array of pairs of parallel gold nanorods is shown to have a negative refractive index in the optical range.
*.Such behavior results from the plasmon resonance in the pairs of nanorods for both the electric and the magnetic components of light.
Reflectivity
*.Apart from the transmitted light there is also a reflected part.
*.The reflection angle is equal to the incidence angle, and the amount of light that is reflected is determined by the reflectivity of the surface.
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