[HTML][HTML] Terahertz metamaterials for spectrum modulation: structural design, materials and applications

L Tan, D Wang, KD Xu - Materials & Design, 2024 - Elsevier
Metamaterials, an artificial electromagnetic (EM) material, have exhibited unique
characteristics, enabling innovations in terahertz (THz) wavefront shaping, polarization …

Wideband microwave absorber comprising metallic split-ring resonators surrounded with E-shaped fractal metamaterial

RMH Bilal, MA Baqir, PK Choudhury… - IEEE …, 2021 - ieeexplore.ieee.org
A specially designed metallic E-shaped fractal-based perfect metamaterial absorber (PMA)
with fairly wideband absorptivity in the K-and Ka-bands of the microwave regime was …

[HTML][HTML] Ultrathin broadband metasurface-based absorber comprised of tungsten nanowires

RMH Bilal, MA Baqir, PK Choudhury, MA Naveed… - Results in Physics, 2020 - Elsevier
An ultrathin broadband metasurface-based absorber, comprised of tungsten nanowires, was
studied under the normal and oblique incidence of transverse electric (TE) and transverse …

[HTML][HTML] The tunable single-/narrow-band terahertz metamaterial absorber through photoconductivity

S Liu, X Yin, H Zhao - Results in Physics, 2022 - Elsevier
In this work, a photo-excited terahertz metamaterial absorber (PETMA) switched between
single-band and narrow-band absorption is reported. Such an absorber includes three …

A novel omega shaped microwave absorber with wideband negative refractive index for C-band applications

RMH Bilal, MA Baqir, A Iftikhar, MM Ali, AA Rahim… - Optik, 2021 - Elsevier
This paper reports a polarization controllable and angle-insensitive perfect metamaterial
absorber (PMA). The proposed PMA consists of periodically arranged asymmetric omega …

Design, fabrication and optimization of electromagnetic absorption metamaterials

Q Lou, XD Zhang, MG Xia - Chinese Physics B, 2023 - iopscience.iop.org
For decades, the rapid development of wireless communication has provided people a
smarter way of living. However, a significant increase in electromagnetic pollution is an …

A photoexcited switchable tristate terahertz metamaterial absorber

S Yuan, R Yang, J Tian, W Zhang - International Journal of RF …, 2020 - Wiley Online Library
In this study, we propose a photoexcited tristate terahertz metamaterial absorber which can
switch between single‐/single‐/dual‐band absorption modes in terahertz regime. The unit …

Broadening of resonance with the bending of strongly coupled strip resonators in a planar terahertz metamaterial

BS Chouhan, B Barman, LK Vaswani… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
This research article focuses on investigating the broadening of fundamental resonance in a
terahertz metamaterial via the bending of strip resonators placed in close proximity. The two …

Tree-shaped fractal metamaterial multiband absorber for C-and X-band applications

MB Abbas, MA Baqir, O Altintaş… - Journal of …, 2023 - Taylor & Francis
Recently, multiband metamaterial absorbers have gained considerable attention from
research and development communities due to their applications in filtering, stealth, and …

Switchable absorbing, reflecting, and transmitting metasurface by employing vanadium dioxide on the same frequency

Y Liu, L Dong, J Zheng, MFM Sabri, NA Majid… - Superlattices and …, 2022 - Elsevier
In this work, we proposed a switchable metasurface based on phase transmission material
of vanadium dioxide (VO 2) with metal and insulation mode. Simulation results …