Results 41 to 50 of about 10,273 (293)

A Six-Fold Symmetric Metamaterial Absorber [PDF]

open access: yesMaterials, 2015
A novel microwave metamaterial absorber design is introduced along with its manufacturing and characterization. Significant results considering both bandwidth and angular stability are achieved. Parametric analysis and simplified equivalent circuit are provided to give an insight on the key elements influencing the absorber performance.
Humberto Fernández Álvarez   +2 more
openaire   +3 more sources

Infrared perfect absorber based on nanowire metamaterial cavities

open access: yes, 2012
An infrared perfect absorber based on gold nanowire metamaterial cavities array on a gold ground plane is designed. The metamaterial made of gold nanowires embedded in alumina host exhibits an effective permittivity with strong anisotropy, which supports
Deng, Huixu   +5 more
core   +1 more source

Topology Optimization Design for Broadband Water-Based Electromagnetic Metamaterial Absorber with High Absorption Rate

open access: yesPhotonics
In order to establish a general design methodology for water-based electromagnetic metamaterial absorber microstructures, a topology optimization method for water-based metamaterial absorber microstructures design was proposed in this paper. According to
Pengfei Shi   +6 more
doaj   +1 more source

Right-Angle Shaped Elements as Dual-Band Metamaterial Absorber in Terahertz

open access: yesPhotonic Sensors, 2019
Metamaterial absorbers display potential applications in the field of photonics and have been investigated extensively during the last decade. We propose a dual-band resonant metamaterial absorber with right-angle shaped elements (RAEs) in the terahertz ...
Salman Daniel, Prince Bawuah
doaj   +1 more source

Terahertz multi-band absorber and dual-bandwidth polarization converter based on VO2 and graphene

open access: yesResults in Physics, 2023
A terahertz metamaterial with multiple functions is proposed based on patterned graphene, concentric gold rings and gold columns, and vanadium dioxide (VO2).
Yang Jia   +5 more
doaj   +1 more source

Terahertz Saturable Absorption in Superconducting Metamaterials

open access: yes, 2016
We present a superconducting metamaterial saturable absorber at terahertz frequencies. The absorber consists of an array of split ring resonators (SRRs) etched from a 100nm YBaCu3O7 (YBCO) film.
Averitt, Richard D.   +4 more
core   +1 more source

Electromagnetic wave absorption and structural properties of wide-band absorber made of graphene-printed glass-fibre composite [PDF]

open access: yes, 2018
Lightweight composites combining electromagnetic wave absorption and excellent mechanical properties are required in spacecraft and aircraft. A one- dimensional metamaterial absorber consisting of a stack of glass fibre/epoxy layers and graphene ...
Lecini, J.   +4 more
core   +1 more source

A tunable metamaterial absorber using varactor diodes

open access: yesNew Journal of Physics, 2013
We present the design, analysis and measurements of a polarization-insensitive tunable metamaterial absorber with varactor diodes embedded between metamaterial units.
Jie Zhao   +5 more
doaj   +1 more source

Customised broadband metamaterial absorbers for arbitrary polarisation

open access: yes, 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   +23 more
core   +1 more source

Design, modeling, and fabrication of a new compact perfect metamaterial X-band absorber

open access: yesAIP Advances, 2020
In this paper, a perfect metamaterial meander line absorber is designed, fabricated, and characterized by a waveguide measurement technique. The proposed metamaterial absorber of a double metal split ring resonator has a single-band absorption response ...
Ahmed Nagy Asl   +2 more
doaj   +1 more source

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