Thin perfect absorbers for electromagnetic waves: theory, design, and realizations
Y Ra'di, CR Simovski, SA Tretyakov - Physical Review Applied, 2015 - APS
With recent advances in nanophotonics and nanofabrication, considerable progress has
been achieved in realizations of thin composite layers designed for full absorption of …
been achieved in realizations of thin composite layers designed for full absorption of …
Simulation and lithographic fabrication of a triple band terahertz metamaterial absorber coated on flexible polyethylene terephthalate substrate
YI Abdulkarim, M Xiao, HN Awl… - Optical Materials …, 2021 - opg.optica.org
A triple band metamaterial absorber in the terahertz range, incorporating a three closed
circle ring resonator, was designed and fabricated on flexible polyethylene terephthalate …
circle ring resonator, was designed and fabricated on flexible polyethylene terephthalate …
Exchanging ohmic losses in metamaterial absorbers with useful optical absorption for photovoltaics
Using metamaterial absorbers, we have shown that metallic layers in the absorbers do not
necessarily constitute undesired resistive heating problem for photovoltaics. Tailoring the …
necessarily constitute undesired resistive heating problem for photovoltaics. Tailoring the …
Six-band terahertz metamaterial absorber based on the combination of multiple-order responses of metallic patches in a dual-layer stacked resonance structure
This paper reports on a numerical study of the six-band metamaterial absorber composed of
two alternating stack of metallic-dielectric layers on top of a continuous metallic plane. Six …
two alternating stack of metallic-dielectric layers on top of a continuous metallic plane. Six …
Tunable near-infrared plasmonic perfect absorber based on phase-change materials
A tunable plasmonic perfect absorber with a tuning range of∼ 650 nm is realized by
introducing a 20 nm thick phase-change material Ge_2Sb_2Te_5 layer into the metal …
introducing a 20 nm thick phase-change material Ge_2Sb_2Te_5 layer into the metal …
Infrared non-planar plasmonic perfect absorber for enhanced sensitive refractive index sensing
We present a non-planar all-metal plasmonic perfect absorber (PA) with response
polarization independent in infrared region, which can be served as a sensor for enhanced …
polarization independent in infrared region, which can be served as a sensor for enhanced …
Enhancing intensity and refractive index sensing capability with infrared plasmonic perfect absorbers
An infrared refractive index sensor based on plasmonic perfect absorbers for glucose
concentration sensing is experimentally demonstrated. Utilizing substantial absorption …
concentration sensing is experimentally demonstrated. Utilizing substantial absorption …
All-metal frequency-selective absorber/emitter for laser stealth and infrared stealth
L Zhao, H Liu, Z He, S Dong - Applied Optics, 2018 - opg.optica.org
In this paper, an all-metal nanostructure is designed with a large frequency ratio (∼ 6) and a
large bandwidth ratio (∼ 32), and consists of period slit-box cavities and nanodisk clusters. It …
large bandwidth ratio (∼ 32), and consists of period slit-box cavities and nanodisk clusters. It …
Design of a five-band terahertz perfect metamaterial absorber using two resonators
T Meng, D Hu, Q Zhu - Optics Communications, 2018 - Elsevier
We present a polarization-insensitive five-band terahertz perfect metamaterial absorber
composed of two metallic circular rings and a metallic ground film separated by a dielectric …
composed of two metallic circular rings and a metallic ground film separated by a dielectric …
Graphene-based ultra-wideband absorber for terahertz applications using hexagonal split ring resonators
In this paper, a hexagonal split ring ultra-wideband absorber is proposed at THz frequency.
The proposed structure consists of four graphene based hexagonal split rings, a dielectric …
The proposed structure consists of four graphene based hexagonal split rings, a dielectric …