Nonresonant 104 Terahertz Field Enhancement with 5-nm Slits


Transmission of Terahertz (THz) electromagnetic wave through a substrate is encumbered because of scattering, multiple reflections, absorption, and Fabry-Perot effects when the wave interacts with the substrate. We present the experimental realization of nonresonant electromagnetic field enhancement by a factor of almost 104 in substrate-free 5-nm gold… (More)
DOI: 10.1038/srep45638

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