Results 11 to 20 of about 36,989 (273)
Mechanochromic Reconfigurable Metasurfaces [PDF]
Advanced Science, 2019 AbstractThe change of optical properties that some usually natural compounds or polymeric materials show upon the application of external stress is named mechanochromism. Herein, an artificial nanomechanical metasurface formed by a subwavelength nanowire array made of molybdenum disulfide, molybdenum oxide, and silicon nitride changes color upon ...
Artemios Karvounis +6 more
openaire +7 more sources
Conformable Holographic Metasurfaces [PDF]
Scientific Reports, 2017 AbstractMetasurface holograms are typically fabricated on rigid substrates. Here we experimentally demonstrate broadband, flexible, conformable, helicity multiplexed metasurface holograms operating in the visible range, offering increased potential for real life out-of-the-lab applications.
James Burch +3 more
openaire +5 more sources
Coherent retroreflective metasurfaces [PDF]
Physical Review Research, 2021 Inhomogeneous metasurfaces have shown possibilities for unprecedented control of wave propagation and scattering. While it is conventional to shine a single incident plane wave from one side of these metastructures, illuminating by several waves simultaneously from both sides may enhance possibilities to control scattered waves, which results in ...
Cuesta, F. S. +4 more
openaire +4 more sources
Organometallic Perovskite Metasurfaces [PDF]
Advanced Materials, 2017 Organometallic perovskites, solution-processable materials with outstanding optoelectronic properties and high index of refraction, provide a platform for all-dielectric metamaterials operating at visible frequencies. Perovskite metasurfaces with structural coloring tunable across visible frequencies are realized through subwavelength structuring ...
Gholipour B. +6 more
openaire +6 more sources
Shaping elastic wavefront through zigzag-folded metasurfaces
Frontiers in Physics, 2023 We present a reconfigurable elastic metasurface design composed of an array of zigzag-folded sheets with parallel corrugations to control the wavefront of the refracted A0 Lamb mode wave.
Zhenkun Lin, Serife Tol
doaj +1 more source
A Differential Modulation Scheme for Metasurface-Based Terahertz Communications
Frontiers in Communications and Networks, 2021 Metasurface-based terahertz (THz) modulators, which carry information by changing the spatial pattern of the metasurface at every symbol time, are an important component to establish low-cost low-energy–consuming THz communication systems.
Shuaishuai Guo, Jia Ye, Peng Zhang
doaj +1 more source
Photoswitchable Anapole Metasurfaces
Advanced Optical Materials, 2021 AbstractNonradiating charge‐current configurations have attracted attention in photonics for the efficient localization of the electromagnetic field. Anapole mode is a unique nonradiating state of light induced by the interference of electric and toroidal dipole that possesses rich physics with potential applications in micro‐nanophotonics.
Wenhao Wang +4 more
openaire +2 more sources
Multifunctional Nonlocal Metasurfaces [PDF]
Physical Review Letters, 2020 15 pages, 4 ...
Adam C. Overvig +2 more
openaire +3 more sources
Controllable Manipulation of Wi-Fi Signals Using Tunable Metasurface
Leida xuebao, 2021 In this paper, we propose the utilization of a programmable metasurface for flexibly manipulating ambient Wi-Fi signals. First, we propose a new and efficient optimization algorithm CWGS (Complex Weighted Gerchberg-Saxton), which is based on an ...
Ya SHUANG +4 more
doaj +1 more source
Design of a wideband random phase gradient metasurface by using line-shaped element
Journal of Advanced Dielectrics, 2020 Based on phase randomization theory, a method for manufacturing metasurface with diffuse scatter performance is proposed. By using the line-shaped elements with random rotate angles and random distributing positions, the metasurface can achieve good ...
Jiangniu Wu +5 more
doaj +1 more source