Graphene‐based tunable near‐infrared absorber
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31712
Abstract: We propose design of tunable high sensitive absorber for infrared spectrum using graphene layer. Proposed absorber structure is tunable over near‐infrared region of 900‐1000 nm. Tunability of reflector is achieved by different chemical potential of graphene.… read more here.
Keywords: tunable near; absorber; chemical potential; graphene based ... See more keywords
An approach for circuit modeling of a multiband resonators based planar metamaterial absorber
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32549
Abstract: In this article, a metamaterial absorber structure is analyzed using the transmission line method (TLM) considering the normal incidence of the wave. The unit cell of the presented absorber structure is a composite geometry providing… read more here.
Keywords: absorber structure; absorber; metamaterial absorber; circuit ... See more keywords
Broadband terahertz metamaterial absorber based on coplanar multi-strip resonators
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-7651-6
Abstract: Broadband terahertz metamaterial absorber formed by four different-shaped metallic strips and a dielectric layer on top a metallic ground plane is theoretically demonstrated. The combination of the four metallic strips structure gives rise to an… read more here.
Keywords: terahertz metamaterial; absorber based; metamaterial absorber; absorber ... See more keywords
Broadband LWIR and MWIR absorber by trapezoid multilayered grating and SiO2 hybrid structures
Sign Up to like & getrecommendations! Published in 2018 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-018-1713-8
Abstract: A broadband metamaterial absorber with high absorption simultaneously in mid-wave infrared (MWIR) and long-wave infrared (LWIR) was proposed. In the MWIR, the absorption higher than 0.8 is from 4 to 6.3 µm, while the absorption in… read more here.
Keywords: absorption; absorber; multilayered grating; trapezoid ... See more keywords
New compact of absorber thermal surface
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02483-6
Abstract: Frequency-selective heat infrared (IR) detectors are promising for numerous new apps such as solar cell detection, gas analysis, multi-color imaging, multi-channel detector, recognition of artificial objects in a natural setting, but these features involve extra… read more here.
Keywords: frequency; surface; compact absorber; absorber thermal ... See more keywords
Investigation of substrate materials for graphene oxide absorber loaded antenna array increased ambient temperature
Sign Up to like & getrecommendations! Published in 2020 at "Photonic Network Communications"
DOI: 10.1007/s11107-020-00908-6
Abstract: Integration of electromagnetic (EM) wave absorber with patch antenna array on single substrate provides a very efficient way to improve the radiation pattern of array by reducing mutual coupling effect. The placing of absorber on… read more here.
Keywords: array; temperature; antenna array; absorber ... See more keywords
A Compact Design of Multiband Terahertz Metamaterial Absorber with Frequency and Polarization Tunability
Sign Up to like & getrecommendations! Published in 2018 at "Plasmonics"
DOI: 10.1007/s11468-018-0698-2
Abstract: A new and simple design of quad-band metamaterial absorber for terahertz frequency has been proposed. The unit cell of the absorber is composed of a top metallic patch having H-shaped slot and a ground metallic… read more here.
Keywords: frequency; polarization; absorber; metamaterial absorber ... See more keywords
A Simple Multi-band Metamaterial Absorber with Combined Polarization Sensitive and Polarization Insensitive Characteristics for Terahertz Applications
Sign Up to like & getrecommendations! Published in 2018 at "Plasmonics"
DOI: 10.1007/s11468-018-0852-x
Abstract: This paper presents a simple multi-band metamaterial absorber for terahertz applications. The unit cell of the proposed structure consists of a single square ring having gaps at the centers on three of its sides. The… read more here.
Keywords: absorption; simple multi; polarization; multi band ... See more keywords
A Band Enhanced Tunable Ultra-Broadband Absorber Based on Loading the Lumped Resistors and Cavity Resonance
Sign Up to like & getrecommendations! Published in 2018 at "Plasmonics"
DOI: 10.1007/s11468-018-0854-8
Abstract: In this paper, we present and demonstrate a band enhanced tunable ultra-broadband absorber (TUA) based on loading the lump resistors (LRs) and cavity resonance. The absorber’s each cell integrates four split ring-shaped solid state plasma… read more here.
Keywords: absorber; ultra broadband; cavity resonance;
Creating Multiband and Broadband Metamaterial Absorber by Multiporous Square Layer Structure
Sign Up to like & getrecommendations! Published in 2019 at "Plasmonics"
DOI: 10.1007/s11468-019-00953-6
Abstract: Since the metamaterial perfect absorber (MPA) is composed of electromagnetic resonance structures, the main operational mechanism of the MPA is electromagnetic resonance. In this work, we use Finite Integration Technique (FIT)–based simulation to study a… read more here.
Keywords: layer structure; layer; absorber; metamaterial absorber ... See more keywords
Plasmonic Broadband Perfect Absorber for Visible Light Solar Cells Application
Sign Up to like & getrecommendations! Published in 2019 at "Plasmonics"
DOI: 10.1007/s11468-019-01087-5
Abstract: Solar radiation is mainly concentrated in visible light region (50%), to achieve the perfect absorption of this spectral band is significant for many energy-related fields include solar cells, hot-electron devices, and perfect cloaking. In this… read more here.
Keywords: absorption; visible light; perfect absorber; absorber ... See more keywords