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Mostrando ítems 31-35 de 35
Artículo
Excitation of Discrete and Continuous Spectrum in Subdiffraction Wire-Medium Type Lenses
(Institute of Electrical and Electronics Engineers, 2016)
Subwavelength imaging of the near field of a magnetic line-source excitation is studied for several wire-medium (WM) lens topologies using complex-plane analysis of the radiation integral. Nonlocal homogenization is used ...
Artículo
Dynamical Equivalent Circuit for 1-D Periodic Compound Gratings
(Institute of Electrical and Electronics Engineers, 2016)
Metallic compound gratings are studied in this work by means of an analytical equivalent circuit approach in order to obtain its transmission and reflection properties when illuminated by a TM-polarized plane wave. A ...
Artículo
Roadmap on metasurfaces
(IOP Publishing, 2019)
Metasurfaces are thin two-dimensional metamaterial layers that allow or inhibit the propagation of electromagnetic waves in desired directions. For example, metasurfaces have been demonstrated to produce unusual scattering ...
Artículo
Artículo
Dual capacitive-inductive nature of periodic graphene patches: Transmission characteristics at low-terahertz frequencies
(American Physical Society, 2013)
We report on the dual nature (capacitive and inductive) of the surface impedance of periodic graphene patches at low-terahertz frequencies. The transmission spectra of a graphene-dielectric stack shows that patterned ...