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30 April 2009 THz plasmonic modes in metal-clad planar multilayer waveguides
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Abstract
This paper studies the role of plasmonic modes for guided-wave propagation of THz/far infrared in metalclad planar waveguides, including metal-dielectric interfaces, dielectric-loaded metal slabs and parallel plate waveguides. The dispersion of modal characteristics of the plasmonic guided waves, such as the effective index, attenuation constant and the field confinement, as a function of geometrical features for different consisting materials and wavelengths are examined. Moreover, comparison is made between the THz plasmonic modes to their optical counterparts at visible/near infrared within the similar physical structures. Peculiar features of each structure are highlighted and regimes of interest are distinguished.
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Behnood G. Ghamsari and A. Hamed Majedi "THz plasmonic modes in metal-clad planar multilayer waveguides", Proc. SPIE 7311, Terahertz Physics, Devices, and Systems III: Advanced Applications in Industry and Defense, 73110B (30 April 2009); https://doi.org/10.1117/12.820122
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