Terahertz metalens of hyper-dispersion
WebSuper-Oscillatory Metalens at Terahertz for Enhanced Focusing with Reduced Side Lobes Santiago Legaria 1, Victor Pacheco-Peña 2 and Miguel Beruete 1,3,* ... metalens with a … Web7 Apr 2024 · Abstract. Lens is a basic optical element that is widely used in daily life, such as in cameras, glasses, and microscopes. Conventional lenses are designed based on the classical refractive optics, which results in inevitable imaging aberrations, such as chromatic aberration, spherical aberration and coma. To solve these problems, conventional ...
Terahertz metalens of hyper-dispersion
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WebThe dispersion of this hybrid component, characterized by using a Fourier plane imaging microscopy setup, is essentially achromatic over about 150 nm in the visible. Broadband focusing with composite plano-convex metasurface lenses is also proposed. These devices could find applications in numerous consumer optics, augmented reality components ... Web24 Apr 2024 · The advantage of the method is that it provides color correction over a continuous wavelength range. However, the method is limited to small optical powers and/or wavelength ranges 20. Other ...
Web4 Mar 2024 · Metalens, a prominent application of two-dimensional metasurfaces, has demonstrated powerful abilities even beyond traditional optical lenses. By manipulating the phase distribution of metalens composed of appropriately arranged nanoscale building blocks, the wavefront of incident wave can be controlled based on Huygens principle, thus … Web18 May 2024 · The large chromatic dispersion of the metalens made the focal length tunable and by simply switching the incident wavelength they could realize non-motion optical zooming-in and DOF scanning (Fig. 16c–e). They further imaged a biological …
WebIn this work, an all-dielectric tunable terahertz metagrating is demonstrated in theoretical and experimental investigations. The metagrating operating in the 6G communication … Web21 Jan 2024 · Metasurface lenses are typically investigated for a lot of characteristics, but the design method for conventional devices is comparatively simple in terms of …
Web1 Feb 2024 · The terahertz (THz) dielectric properties of super-aligned multi-walled carbon nanotube (MWCNT) films were characterized in the frequency range from 0.1 to 2.5 THz …
WebThe broadband dielectric spin Hall meta-lens is achieved by integrating two geometric phase lenses with different functionalities into one single dynamic phase lens, which manifests the ultracompact, portable, and polarization-dependent features. The broadband spin Hall meta-lens may find important applications in imaging, sensing, and ... north carolina university apparelWeb25 Mar 2024 · Here researchers from the group at Tianjin University reported the achromatic terahertz metalens with excellent performance covering the band from 0.6 to 1.0 THz. … north carolina united methodist church splitWebDesign of terahertz focusing lens based on high-resistivity silicon metasurface Ma Min 1,2,3 , , Jin Lin 2,3 , Qin Hua 2,3 , Sun Jiandong 2,3 , Chen Lixiang 1 , Sun Yunfei 1 , , 1. School of Electronic and Information Engineering, Suzhou University of Science and Technology, Suzhou, Jiangsu 215009, China 2. how to reset hp gaming laptopWeb13 Oct 2024 · As \(\hbox {ZrO}_{2}\) ceramic has a high permittivity \(\varepsilon _{\mathrm{r}} = 32.5\) and a low loss factor of 0.05 in terahertz band 20,21, it is suitable … north carolina university a\u0026tWebWe have demonstrated a hyper-dispersive metalens in the terahertz regime by simultaneously manipulating the phase, GD, and GDD. The proposed hyper-dispersive … how to reset hp monitor to factory settingWeb28 Jan 2024 · With the wide applications of terahertz (THz) devices in future communication technology, THz protection materials are essential to overcome potential threats. Recently, THz metamaterials (MMs) based on two-dimensional (2D) materials (e.g., graphene, MXenes) have been extensively investigated due to their un north carolina underwriters wind hailWeb7 Apr 2024 · The development of efficient broadband electronic frequency multipliers and modulators operating at the technologically important terahertz frequency range and … north carolina university ice hockey