Results 61 to 70 of about 11,020 (243)

The Dawn of Metadevices: From Contemporary Designs to Exotic Applications

Advanced Devices & Instrumentation, 2022
In recent years, metamaterials and metasurfaces have prospered in many fields of “science and technology,” covering the entire electromagnetic spectrum.
Sumbel Ijaz, Ahsan Sarwar Rana, Zubair Ahmad, Muhammad Zubair, Yehia Massoud, Muhammad Qasim Mehmood   +5 more
doaj   +1 more source

Multifunctional Cascaded Metamaterials: Integrated Transmitarrays

, 2016
Control of electromagnetic waves using engineered materials is very important in a wide range of applications, therefore there is always a continuous need for new and more efficient solutions. Known natural and artificial materials and surfaces provide a
Asadchy, Viktar S., Elsakka, Amr A., Faniayeu, Ihar A., Tcvetkova, Svetlana N., Tretyakov, Sergei A.   +4 more
core   +1 more source

Coupling of Er3+ ions and Plasmonic Modes in Vertical Nanocavities for Spectral Broadening in Telecom Bands

Advanced Materials Technologies, EarlyView.
Left: Illustration of the glass & nanostructures system and the NIR emission at 1.5 µm, where the colored spheres represent the Er3+ ions within the doped glass. Right: Representation of the Stark splitting of the 4I13/2 and 4I15/2 manifolds of the Er3+, illustrating how the plasmonic modes facilitate the emission from the broader Stark manifold ...
Gaston Lozano Calderón, Víctor Anthony García Rivera, Stéphan Cagnon, Souleymane Toubou Bah, Younès Messaddeq, Euclydes Marega Junior   +5 more
wiley   +1 more source

Large-area cost-effective lithography-free infrared metasurface absorbers for molecular detection

APL Materials, 2019
The implementation of metasurface absorbers for advanced sensing applications in the infrared spectral range is gaining prominence. Nevertheless, scale-up is challenging because their subwavelength features require complex fabrication techniques.
U. T. D. Thuy, N. T. Thuy, N. T. Tung, E. Janssens, N. Q. Liem   +4 more
doaj   +1 more source

Multi‐Dielectric Metasurfaces for Ultrabright, Tunable Structural Color and Reconfigurable Optical Filtering with Extraordinarily Large Color Span

Advanced Optical Materials, EarlyView.
Structural color generation is an emerging field for digital display and printing applications. This report presents a novel truncated‐cone design and the first use of GaP sandwiched between two layers of TiO2, demonstrating ultra‐bright, tunable colors with a record color gamut.
Md Rumon Miah, Yavuz Selim Aydın, Hilmi Volkan Demir   +2 more
wiley   +1 more source

Double-Layered Metasurfaces Fabricated by Single-Step Lithography for Efficient Phase Control

IEEE Access
A metasurface is an ultrathin-layered artificial material which consists of an array of nanoscaled optical element and is capable of manipulating light by adjusting the phase in subwavelength scale.
Yeong Hak Kim, Il Hoon Song, Sang Tae Jeon, Soo Jin Kim   +3 more
doaj   +1 more source

Dielectric Resonator Metasurface for Dispersion Engineering

, 2016
We introduce a practical dielectric metasurface design for microwave frequencies. The metasurface is made of an array of dielectric resonators held together by dielectric connections thus avoiding the need of a mechanical support in the form of a ...
Achouri, Karim, Caloz, Christophe, Gupta, Shulabh, Rmili, Hatem, Yahyaoui, Ali   +4 more
core   +1 more source

Gold-Nanocluster-Assisted Nanotransfer Printing Method for Metasurface Hologram Fabrication [PDF]

Scientific Reports, 2019
AbstractGiven the development of nano/microscale patterning techniques, efforts are being made to use them for fabricating metasurfaces. In particular, by using abrupt phase discontinuities, it is possible to generate holographic images from two-dimensional nanoscale-patterned metasurfaces.
Soon Hyoung Hwang, Jaebum Cho, Sohee Jeon, Hyeok-Jung Kang, Zhi-Jun Zhao, Sungjae Park, Yohan Lee, Jonghyun Lee, Mugeon Kim, Joonku Hahn, Byoungho Lee, Jun Ho Jeong, Hwi Kim, Jae Ryoun Youn   +13 more
openaire   +2 more sources

Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering

Advanced Photonics Research, Volume 6, Issue 5, May 2025.
Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik, Fedor Kovalev, Mingkai Liu, Michal Zawierta, Dilusha Silva, Lorenzo Faraone, Mariusz Martyniuk, Ilya Shadrivov   +7 more
wiley   +1 more source

Highly scalable machine vision enabled with meta-optics-based ultra-wide neural network

eLight
Optical neural networks (ONNs) offer a route to low-latency, energy-efficient AI, but scaling them to modern model sizes is constrained by two practical bottlenecks: training large ONNs is computationally prohibitive, and implementing or tuning millions ...
Mingcheng Luo, Meirui Jiang, Bhavin J. Shastri, Nansen Zhou, Wenfei Guo, Jianmin Xiong, Dongliang Wang, Renjie Zhou, Chester Shu, Qi Dou, Chaoran Huang   +10 more
doaj   +1 more source