Color Tuning by Spontaneous Propagation of Gap Surface Plasmons in Epsilon Near Zero Nano-Cavity
Giuseppe Emanuele Lio,
Antonio Ferraro,
Michele Giocondo
et al.
Abstract:This work presents numerical and experimental results of plasmonic Metal-Insulator optical nanocavities. The systems are composed of Silver as metal, polyvinylpyrrolidone or indium tin oxide or zinc oxide as insulator. The proposed nano-cavities exhibit extraordinary effects as colors changing in function of the incident/view angles, enhancement of the experimental real and imaginary parts of the pseudo dielectric constant, an extraordinary transmission of 50% and zero reflection for both polarizations at the … Show more
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