Abstract
This paper proposes a tunable dual-band polarization-sensitive absorber that displays two distinct absorptance peaks for two different polarized incident lights. The proposed absorber uses graphene as the material for the metasurface to utilize its tunable surface conductivity for achieving a tunable resonant frequency. The tunable absorber displayed two distinct absorption peaks for two separately polarized incident waves. For x-polarized incident light, the proposed absorber displayed perfect absorptance for a tunable bandwidth of 3 THz between 2.85 THz and 5.85 THz, and for y-polarized incident light, the proposed absorber displayed perfect absorptance for a tunable bandwidth of 1.5 THz between 11 THz and 12.5 THz. Numerical computations were performed with extremely fine mesh quality to study the absorptance spectrum of the proposed absorber for different Fermi energy levels, incident angles, and azimuthal angle of incidence. The proposed absorber displays appreciative characteristics which makes it a suitable candidate for energy harvesting, polarization detection, and polarization conversion of unpolarized light.
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Research ethics: Not applicable.
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Informed consent: Informed consent was obtained from all individuals included in this study.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
References
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© 2025 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Accurate channel estimation of on-grid partially coherent compressive phase retrieval for mmWave massive MIMO systems
- Bandwidth enhancement of resonating absorber using a lossy dielectric layer for RCS reduction in X-band
- Graphene-based tunable dual-band polarization sensitive absorber for applications in the terahertz regime
- Graphene-based compact polarization-insensitive broadband terahertz absorber for sensing applications
- Broadband metasurface-based reflective polarization converter
- Using one-dimensional thinned antenna arrays to form a two-dimensional MIMO antenna array
- Dual-resonance dielectric resonator-based MIMO antenna for Sub-6 GHz 5G and IoT applications
- Implantable F-shaped antenna with 93.32 Mbps speed for Intra-body communications
- Frequency and pattern reconfigurable arrow shape patch antenna with a PIN diode
- Data driven modeling for linearization of particle accelerator RF power source
Artikel in diesem Heft
- Frontmatter
- Accurate channel estimation of on-grid partially coherent compressive phase retrieval for mmWave massive MIMO systems
- Bandwidth enhancement of resonating absorber using a lossy dielectric layer for RCS reduction in X-band
- Graphene-based tunable dual-band polarization sensitive absorber for applications in the terahertz regime
- Graphene-based compact polarization-insensitive broadband terahertz absorber for sensing applications
- Broadband metasurface-based reflective polarization converter
- Using one-dimensional thinned antenna arrays to form a two-dimensional MIMO antenna array
- Dual-resonance dielectric resonator-based MIMO antenna for Sub-6 GHz 5G and IoT applications
- Implantable F-shaped antenna with 93.32 Mbps speed for Intra-body communications
- Frequency and pattern reconfigurable arrow shape patch antenna with a PIN diode
- Data driven modeling for linearization of particle accelerator RF power source