Results 51 to 60 of about 42,935 (288)

Microelectromechanical Maltese-cross metamaterial with tunable terahertz anisotropy

, 2012
Dichroic polarizers and waveplates exploiting anisotropic materials have vast applications in displays and numerous optical components, such as filters, beamsplitters and isolators. Artificial anisotropic media were recently suggested for the realization
Zhu, W.M., Zhang, X.H., Bourouina, T., Kwong, D.L., Tsai, D.P., Liu, A.Q., Lo, G.Q., Zheludev, N.I., Teng, J.H.   +8 more
core   +1 more source

Structural design and optimization of double-cross shape broadband absorption metamaterial based on CB-ABS

Frontiers in Materials, 2022
This work presents a novel broadband double-cross shape metamaterial structure based on the Carbon Black-Acrylonitrile-Butadiene-Styrene (CB-ABS) composite material.
Mengzhou Chen, Liuying Wang, Gu Liu, Chaoqun Ge, Long Wang, Kejun Xu, Weichao Wang   +6 more
doaj   +1 more source

Microwave modes of ambidextrous helices

Scientific Reports
This work presents an investigation into the electromagnetic properties of ambidextrous helices, structures composed of equal numbers of left- and right-handed turns, operating in the gigahertz frequency range.
J. Gudge-Brooke, N. Clow, A. P. Hibbins, A. W. Powell, J. R. Sambles   +4 more
doaj   +1 more source

Transmission Enhancement through Sub-Wavelength Aperture Based on Regulable Water-Based Metamaterial

Photonics, 2023
A realization form of the Mie resonance with adjustable characteristics based on a water-based metamaterial is proposed. A novel local electromagnetic field coupling mechanism based on a water-based metamaterial is established, which is used for ...
Pengfei Shi, Xiaodong Li, Hongge Zhao, Youfu Tang, Jingwei Zhu, Renjing Gao, Shutian Liu   +6 more
doaj   +1 more source

A tunable splitter upon a planar hyperbolic metamaterial [PDF]

Радиофизика и электроника, 2020
Subject and Purpose. The paper presents the development and testing of a microwave splitter based on a planar hyperbolic metamaterial with a structural defect.
M.А. Miliaiev, S.V. Nedukh, S.I. Tarapov   +2 more
doaj   +1 more source

Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading

Advanced Engineering Materials, EarlyView.
This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev, Noah‐Lean Roschlaub, Anne Jung   +2 more
wiley   +1 more source

Zero electromagnetic coupling of closely spaced identical helical resonators

Scientific Reports
The interaction between closely spaced elements in an electromagnetic array typically leads to significant inter-element coupling, altering the resonance properties of each element.
J. Gudge-Brooke, N. Clow, A. P. Hibbins, A. W. Powell, J. R. Sambles   +4 more
doaj   +1 more source

Emulation of metamaterial waveguides

Algerian Journal of Signals and Systems, 2018
In this work, we are interested by emulating metamaterial microwave waveguides which behave like conventional metallic ones. We use metamaterial layers based on two types of unit cells.
Khedidja BOURAS, Abdelhadi LABIAD, Chaker SALEH, Mouloud BOUZOUAD   +3 more
doaj   +1 more source

Rotary 3D Printing With Integrated Electroplating

Advanced Engineering Materials, EarlyView.
A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria, Nicola Larovere, Moslem Mohammadi, Gianluca Percoco, Ali Zolfagharian, Gianni Stano   +5 more
wiley   +1 more source

Nonlocal phase-change metaoptics for reconfigurable nonvolatile image processing

Light: Science & Applications
The next generation of smart imaging and vision systems will require compact and tunable optical computing hardware to perform high-speed and low-power image processing.
Guoce Yang, Mengyun Wang, June Sang Lee, Nikolaos Farmakidis, Joe Shields, Carlota Ruiz de Galarreta, Stuart Kendall, Jacopo Bertolotti, Andriy Moskalenko, Kairan Huang, Andrea Alù, C. David Wright, Harish Bhaskaran   +12 more
doaj   +1 more source