Finite-thickness effects in plasmonic films with periodic cylindrical anisotropy
arXiv:1810.07303 · doi:10.1364/OME.9.000285
Abstract
Finite-thickness effects are analyzed theoretically for the plasma frequency and associated dielectric response function of plasmonic films formed by periodically aligned, infinitely thin, identical metallic cylinders. The plasma frequency of the system is shown to have the unidirectional square-root-of-momentum and quasilinear momentum spatial dispersion for the thick and ultrathin films, respectively. This spatial dispersion and the unidirectional dielectric response nonlocality associated with it can be adjusted not only by the film material composition but also by varying the film thickness, the cylinder length, the cylinder-radius-to-film-thickness ratio, and by choosing the substrates and superstrates of the film appropriately. Application of the theory developed to the finite-thickness periodically aligned carbon nanotube films is discussed.
arXiv comment14 pages, 3 figures
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- Far- and Near-Field Heat Transfer in Transdimensional Plasmonic Film Systems
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- Controlling Single-Photon Emission with Ultrathin Transdimensional Plasmonic Films
- Confinement-Induced Nonlocality and Casimir Force in Transdimensional Systems
- Anisotropic Photon Emission Enhancement near Carbon Nanotube Metasurfaces
- Goos-Hänchen effect singularities in transdimensional plasmonic films