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This contribution focuses on surface plasmon polaritons at terahertz frequencies. The coupling to surface plasmon polaritons is provided by periodic metal arrays with different structures and distinct dimensions. For these different geometries the generation and propagation of surface plasmon polaritons are studied. A full wave calculation of the interaction of THz radiation with the metal arrays...
We studied coupling of the terahertz radiation to periodically structured metal arrays. The role of polarization, surface plasmon dispersion and attenuation are evaluated experimentally and modeled theoretically.
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