A relatively broadband, polarization-insensitive, and tunable graphene-based metamaterial absorber in the THz ranges
Masoumeh Aghazadeh, Mina Noori, Hadi Hashemnezhad · IOP Publishing · 2025
A new graphene-based metamaterial absorber achieves high efficiency and broad bandwidth for terahertz waves, overcoming limitations of traditional absorbers.
Plain English summary
Why this matters
Key findings
- Achieves over 90% power absorption in the 0.81 THz to 1.75 THz range.
- Demonstrates a broad absorption bandwidth from 0.1 THz to 10 THz.
- Insensitivity to incident angle and polarization from 0° to 75°.
- Introduces a figure of merit for optimal structural design.
- Utilizes a simpler structural design compared to existing absorbers.
What's new
The introduction of a tunable graphene-based metamaterial absorber with a broad absorption bandwidth and high efficiency is a significant advancement over traditional absorbers.
Limitations
The abstract does not provide details on practical applications or commercial readiness of the proposed absorber.
Commercial context
The research is still in the laboratory phase and does not indicate commercial availability.
Publication
- Publisher
- IOP Publishing
- Publication date
- October 1, 2025
- Research type
- Paper
- License
- https://publishingsupport.iopscience.iop.org/iop-standard/v1
Tags
More on Electromagnetic Metamaterials
See all →An electrically isolated Josephson junction array as a tunable metamaterial
This study explores a tunable electromagnetic metamaterial based on an electrically isolated Josephson junction array, demonstrating its nonlinear response.
Dorsiventrally Bicolored Leaf‐Inspired Metamaterial Absorbers for Tailorable Electromagnetic Absorption
This research proposes a bioinspired metamaterial that achieves high-performance, tailorable electromagnetic absorption across a broad frequency range.
Tunable broadband terahertz metamaterial absorber using V3O5
A tunable terahertz metamaterial absorber using V3O5 shows over 90% absorption across two frequency bands, adaptable for various applications.
Tunable graphene-based multiband terahertz metamaterial perfect absorber for sensing applications
This research presents a tunable graphene-based terahertz metamaterial absorber with high absorption efficiency and potential for sensing applications.
Tailored Multi‐Scale and Flexible Metamaterial for Broadband Electromagnetic Wave Absorption and Infrared Stealth
This research presents a flexible metamaterial absorber that achieves radar-IR compatible stealth with enhanced electromagnetic wave absorption.
Multi-Resonant Metamaterial Absorber for Electromagnetic Absorption in S-, C-, X-, and Ku- Bands
This study presents a multi-resonant metamaterial absorber achieving over 97% electromagnetic absorption across several microwave frequency bands.
Recently published
Latest research →Bio-inspired re-entrant honeycomb metamaterial with programmable dual-plateau mechanical response
A bio-inspired re-entrant honeycomb mechanical metamaterial is described as having a programmable dual-plateau mechanical response.
Modelling the thermo-mechanical responses and shape recovery performance of particle-reinforced shape memory polymer composites in cold and hot programming
A study focused on modeling thermo-mechanical behavior and shape recovery of particle-reinforced shape-memory polymer composites when programmed in cold versus hot conditions.
Functional Shape Recovery Response of Heat-Treated NiTiCu SHAPE Memory Alloy Wire
Heat treatment of NiTiCu shape memory alloy wires enhances their shape recovery response, achieving a high recovery ratio.
A Deformable Robot Based on Shape Memory Alloy and Phase Change Metal
This research presents a novel deformable robot that integrates Shape Memory Alloys and phase change metals for enhanced adaptability and locomotion.
