ArticleMaterials (Basel, Switzerland)2018
Design of a Broadband Tunable Terahertz Metamaterial Absorber Based on Complementary Structural Graphene.
Article in Materials (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Broadband absorption using all-graphene grating-coupled nanoparticles on a reflector.Scientific reports · 2020Article
- Tunable Broadband THz Waveband Absorbers Based On Graphene for Digital Coding.Nanomaterials (Basel, Switzerland) · 2020Article
- A Broadband Tunable Terahertz Metamaterial Absorber Based on Single-Layer Complementary Gammadion-Shaped Graphene.Materials (Basel, Switzerland) · 2020Article
- A Simple and Efficient Method for Designing Broadband Terahertz Absorber Based on Singular Graphene Metasurface.Nanomaterials (Basel, Switzerland) · 2019Article
- Nonlinear Modulation of Plasmonic Resonances in Graphene-Integrated Triangular Dimers at Terahertz Frequencies.Materials (Basel, Switzerland) · 2019Article
- Graphene-Based Perfect Absorption Structures in the Visible to Terahertz Band and Their Optoelectronics Applications.Nanomaterials (Basel, Switzerland) · 2018Review
- 3D-Printed Low-Cost Dielectric-Resonator-Based Ultra-Broadband Microwave Absorber Using Carbon-Loaded Acrylonitrile Butadiene Styrene Polymer.Materials (Basel, Switzerland) · 2018Article
- Control of the Spin Angular Momentum and Orbital Angular Momentum of a Reflected Wave by Multifunctional Graphene Metasurfaces.Materials (Basel, Switzerland) · 2018Article
Corrections and comments
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Authors and funding
6 authors.
Funding
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Abstract
We present a simple design for a broadband tunable terahertz (THz) metamaterial absorber (MMA) consisting of a complementary cross-oval-shaped graphene (CCOSG) structure and dielectric substrate placed on a continuous metal film. Both numerical simulation and theoretical calculation results indicate that the absorbance is greater than 80% from 1.2 to 1.8 THz, and the corresponding relative bandwidth is up to 40%. Simulated electric field and power loss density distributions reveal that the broadband absorption mainly originates from the excitation of continuous surface plasmon resonance (SPR) on the CCOSG. In addition, the MMA is polarization-insensitive for both transverse-electric (TE) and transverse-magnetic (TM) modes due to the geometry rotational symmetry of the unit-cell structure. Furthermore, the broadband absorption properties of the designed MMA can be effectively tunable by varying the geometric parameters of the unit-cell and chemical potential of graphene. Our results may find promising applications in sensing, detecting, and optoelectronic-related devices.
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