Results 1 to 10 of about 27,248 (265)

Graphene-Based Magnetically Tunable Broadband Terahertz Absorber

open access: yesIEEE Photonics Journal, 2022
This study proposes a broadband absorber based on graphene and one-dimensional photonic crystal (1DPC) to achieve magnetically tunable broadband absorption in the terahertz (THz) frequency range.
Zhenyan Wei   +4 more
doaj   +1 more source

Ultra-broadband mid-infrared absorber based on hyperbolic α-MoO3

open access: yesResults in Physics, 2023
Owing to their broad operational bandwidth, broadband absorbers are extensively used in various applications, such as solar cells, microbolometers, and light modulators.
Jiaqi Zhu   +6 more
doaj   +1 more source

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

open access: yesFrontiers 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   +6 more
doaj   +1 more source

Ultra-broadband long-wave infrared metasurface absorber based on Peano fractal curve

open access: yesResults in Physics, 2022
Fractals have emerged as a promising platform for realizing broadband absorption metasurfaces. In this paper, we propose an ultra-broadband absorber with high absorption operational in the long-wave infrared regime by means of a second-order Peano ...
Yue Liang   +5 more
doaj   +1 more source

Design and Analysis of a Broadband Microwave Metamaterial Absorber

open access: yesIEEE Photonics Journal, 2023
In this article, a broadband metamaterial absorber suitable for the S, C, and X bands is designed and manufactured. The absorber is made of FR-4 substrate, resonant metal structure, lumped resistance, and metal backplate, has a unit size of 0.11λL,
Yufei Zhang   +3 more
doaj   +1 more source

Realization of broadband terahertz metamaterial absorber using an anti-symmetric resonator consisting of two mutually perpendicular metallic strips

open access: yesAPL Materials, 2022
This paper presents a scheme to achieve a broadband metamaterial absorber in the terahertz region, which is consisted of an anti-symmetric T-shaped resonator (formed by two mutually perpendicular metallic strips) on top of a metallic back layer separated
Ben-Xin Wang   +3 more
doaj   +1 more source

Dual-band switchable terahertz metamaterial absorber based on metal nanostructure

open access: yesResults in Physics, 2019
In this paper, a tunable terahertz metamaterial absorber with two bands is proposed. It is composed of Au reflector, dielectric layer and periodic array of Au. By adjusting different materials and optimizing parameters, it can achieve the characteristics
Yubin Zhang   +9 more
doaj   +1 more source

Terahertz broadband near-perfect absorber with a single-layer coating on doped semiconductor

open access: yesAIP Advances, 2023
We demonstrate that a single-layer coating on a doped GaAs or Si substrate enables broadband antireflection and, hence, broadband perfect absorption in the terahertz frequency range.
Fenghua Shi, Yihang Chen, Chi-Wah Leung
doaj   +1 more source

Investigation of Broadband Optical Nonlinear Absorption and Transient Dynamics in Orange IV Containing Azobenzene

open access: yesMolecules, 2023
Broadband reverse saturable absorption is systematically investigated via Z-scan, transient absorption spectrum (TAS). The excited state absorption and negative refraction of Orange IV are observed in the Z-scan experiment at 532 nm.
Quanhua Wu   +9 more
doaj   +1 more source

Titanium nanoholes meta-surface for ultra-broadband infrared absorption

open access: yesResults in Physics, 2019
Wideband absorbers are desirable for optoelectronics. Nevertheless, the absorption platforms are usually with broad spectral absorption but complex structure or narrowband absorption but simple design. Herein, a new infrared broadband absorption platform
Xiaoshan Liu   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy