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New surface waves in gradient-index metasurfacesLei Zhou
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Recently, metasurfaces have been proven to be effective and compact devices for the design of arbitrary wavefronts. Metasurfaces are planar metamaterials with a subwavelength thickness that allows wavefront shaping by introducing in-plane variations, namely, gradients, in the spatial wave response of...
Design, simulation and measurement of a broadband epsilon-near-zero (ENZ)\nmetasurface-based gradient refractive index (GRIN) Luneberg lens has been\nprese... SP Narjala,VR Anitha,K Ramanaidu - 《International Journal of Communication Systems》 被引量: 0发表: 2022年 加载更多0...
In this paper, a method to transfer and control multi-beam reflections from a normal incident wave using a gradient-index metasurface is presented. By tuning properly the phase difference over the gradient-index metasurface, multi-beam anomalous reflections can be achieved, where the beam wavefront...
Pfeiffer, C.; Grbic, A. Planar lens antennas of subwavelength thickness: Collimating leaky-waves with metasurfaces.IEEE Trans. Antennas Propag.2015,63, 3248–3253. [Google Scholar] [CrossRef] Papathanasopoulos, A.; Rahmat-Samii, Y.; Garcia, N.C.; Chisum, J.D. A novel collapsible flat...
In this letter, two planar lenses are respectively proposed to control the beam direction of the horn antenna by using a gradient refractive index (GRIN) metamaterial and a gradient phase (GRPH) metasurface. It is shown that the antenna beam direction can be steered by controlling the refractive...
In this letter, two planar lenses are respectively proposed to control the beam direction of the horn antenna by using a gradient refractive index (GRIN) metamaterial and a gradient phase (GRPH) metasurface. It is shown that the antenna beam direction can be steered by controlling the refractive...
A new type of a refractive index sensor based on all-dielectric gradient metasurface was proposed and analyzed with making use of the finite element method (FEM). A new method of optical data processing which is based on intensity distribution over several diffraction orders was suggested. The ...