Results 51 to 60 of about 175,630 (355)

Dome‐Patterned Metamaterial Sheets

Advancement of science, 2020
The properties of conventional materials result from the arrangement of and the interaction between atoms at the nanoscale. Metamaterials have shifted this paradigm by offering property control through structural design at the mesoscale, thus broadening ...
Jakob A. Faber, J. P. Udani, Katherine S. Riley, A. Studart, A. F. Arrieta   +4 more
semanticscholar   +1 more source

Coding Metamaterials, Digital Metamaterials and Programming Metamaterials

, 2014
As artificial structures, metamaterials are usually described by macroscopic effective medium parameters, which are named as "analog metamaterials". Here, we propose "digital metamaterials" in two steps. Firstly, we present "coding metamaterials" that are composed of only two kinds of unit cells with 0 and phase responses, which we name as "0" and ...
Cui, Tie Jun, Qi, Mei Qing, Wan, Xiang, Zhao, Jie, Cheng, Qiang   +4 more
openaire   +2 more sources

Hyperbolic metamaterial interfaces: Hawking radiation from Rindler horizons and the "end of time" [PDF]

, 2011
Extraordinary rays in a hyperbolic metamaterial behave as particle world lines in a three dimensional (2+1) Minkowski spacetime. We analyze electromagnetic field behavior at the boundaries of this effective spacetime depending on the boundary orientation.
Hwang, Ehren, Narimanov, Evgenii, Smolyaninov, Igor I.   +2 more
core   +3 more sources

Composite THz materials using aligned metallic and semiconductor microwires, experiments and interpretation

, 2010
We report fabrication method and THz characterization of composite films containing either aligned metallic (tin alloy) microwires or chalcogenide As2Se3 microwires.
Alexandre Dupuis, Anna Mazhorova, Aydin, Bayindir, Boltasseva, Boyle, Brosseau, Chen, Elser, Harris, Hiroaki Minamide, Hiromasa Ito, Hornyak, Hou, Huczko, Jian Feng Gu, Jin, Katsidis, Kondo, Li, Ma, Maksim Skorobogatiy, Marco Peccianti, Markoš, Maslovski, Ming Tang, Minowa, Miyamaru, Ozaki Tsuneyuki, Papasimakis, Pendry, Peng, Podolskiy, Rahachou, Roberto Morandotti, Scheller, Silveirinha, Smith, Takano, Takano, Tuniz, Tyagi, Withayachumnankul, Yahiaoui, Yuye Wang, Zhang   +45 more
core   +1 more source

CMOS compatible metamaterial absorbers for hyperspectral medium wave infrared imaging and sensing applications [PDF]

, 2018
We experimentally demonstrate a CMOS compatible medium wave infrared metal-insulator-metal (MIM) metamaterial absorber structure where for a single dielectric spacer thickness at least 93% absorption is attained for 10 separate bands centred at 3.08, 3 ...
Cumming, David S., Escorcia-Carranza, Ivonne, Grant, James, Kenney, Mitchell, Shah, Yash D.   +4 more
core   +1 more source

Estimating number of group targets arranged in linear array via forward‐backward matrix pencil method

IET Radar, Sonar & Navigation, 2023
An efficient number estimation method is proposed for target detection by using the forward‐backward matrix pencil method. Compared with the traditional parameter estimation methods, the proposed method can work well even for sparse signals.
Xiyuan Sun, Shixi Li, Pengfei Gu, Zi He, Dazhi Ding, Shaoqing Guo, You Li   +6 more
doaj   +1 more source

Tunable Electromagnetically Induced Transparent Window of Terahertz Metamaterials and Its Sensing Performance

Applied Sciences, 2022
The electromagnetically induced transparency effect of terahertz metamaterials exhibits excellent modulation and sensing properties, and it is critical to investigate the modulation effect of the transparent window by optimizing structural parameters. In
Zhenlin Wu, Peiyao An, Menghan Ding, Yanan Qi, Lin Zhang, Shaoshuai Han, Di Lian, Changming Chen, Xin Yang   +8 more
doaj   +1 more source

Customised broadband metamaterial absorbers for arbitrary polarisation

, 2010
This paper shows that customised broadband absorption of electromagnetic waves having arbitrary polarisation is possible by use of lossy cut-wire (CW) metamaterials.
Burokur, Busch, Christos Christopoulos, Dolling, Fang, Govyadinov, Guo, Hiroki Wakatsuchi, Holloway, John Paul, Kern, Kordás, Lai, Luo, Pendry, Pendry, Service, Smith, Soukoulis, Stephen Greedy, Tao, Wen, Zhou, Zhou   +23 more
core   +1 more source

Tunable negative permeability in a three-dimensional superconducting metamaterial [PDF]

, 2015
We report on highly tunable radio frequency (rf) characteristics of a low-loss and compact three dimensional (3D) metamaterial made of superconducting thin film spiral resonators. The rf transmission spectrum of a single element of the metamaterial shows
Anlage, Steven M., Kurter, C., Lan, T., Sarytchev, L.   +3 more
core   +3 more sources

A Health Data Map-Based Ensemble of Deep Domain Adaptation Under Inhomogeneous Operating Conditions for Fault Diagnosis of a Planetary Gearbox

IEEE Access, 2021
A deep learning model trained under a specific operating condition of the gearbox often experiences an overfitting problem, which makes it impossible to diagnose faults under different operating conditions.
Jong Moon Ha, Byeng D. Youn
doaj   +1 more source