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Extraordinary light transmission effect through Fabry-Perot cavities in 3D plasmonic crystals consisting of two physically separated metallic nanohole and nanodisk array layers is demonstrated. These cavity resonances are highly sensitive to refractive index changes.
We experimentally demonstrate surface excitation of hybridized plasmons in metallic nanocavities. We developed a quasi-static model connecting this observation to plasmonic antenna behavior for extraordinary light transmission effect.
We demonstrate increased radiative coupling in periodic arrays of metal nanorods embedded below the substrate surface. The radiative interactions are observed to lead to sharp resonances associated with diffraction.
We present an experimental demonstration of polarization controlled extraordinary light transmission in rectangular coaxial aperture arrays at mid-infrared wavelengths. Shape anisotropy is utilized for total suppression of the transmitted light in perpendicular polarizations.
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