Compact modified rectangular split ring resonator for tri-band satellite applications DOI Creative Commons

Abderraouf Fadhel,

Souad Berhab,

Rahma Aloulou

et al.

AIMS Electronics and Electrical Engineering, Journal Year: 2024, Volume and Issue: 8(4), P. 456 - 477

Published: Jan. 1, 2024

<p>This paper contributes to the design of a modified rectangular-shaped metamaterial with tri-band coverage for reflection and transmission coefficients. Two symmetrical rectangular split ring resonators (SRR) were carefully engineered then connected by their edges along axis (Ox) substantial C-shaped structure, experiencing peak surface current value near magnetic resonances, causing proposed unit cell resonate at 5.73 GHz, 8.67 13.78 where it exhibited negative effective permittivity (ENG), permeability (DNG), (MNG), respectively. A total 6 × mm<sup>2</sup> SRR was printed on Rogers RO3006 achieve better medium ratio (EMR) in C band (4.55-6.27 GHz), X (7.81-9.45 Ku (13.15-14.37 comprehensive parametric analysis performed illustrate effect crucial parameter h scattering parameters (S<sub>11</sub>, S<sub>21</sub>) resonant structure (MRSRR) specified frequency ranges. Structure underwent additional testing 1 2, 2 1, 4 arrays, yielding results that demonstrated sufficient concordance consideration [4-8 GHz], [8-12 [12-18 GHz] satellite applications. Computer Simulation Technology (CST) Microwave Studio utilized reach characteristics, specifically permeability, via Nicolson–Ross–Weir (NRW) approach, executed through MATLAB code. The examined, corresponding circuit model confirmed utilizing Advanced Design System (ADS) software, compared against CST simulation outcomes.</p>

Language: Английский

Enhancement of Third-Harmonic Generation Through Plasmonic Gap and Cavity Resonance Modes in Bilayer Graphene/Dielectric/Graphene Metasurfaces DOI Creative Commons
Chung-Ting Chou Chao, Sy‐Hann Chen, Roshan Thotagamuge

et al.

Plasmonics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 11, 2025

Language: Английский

Citations

3
Boosting Second Harmonic Generation Efficiency and Nonlinear Susceptibility via Metasurfaces Featuring Split-Ring Resonators and Bowtie Nanoantennas DOI Creative Commons
Yuan‐Fong Chou Chau

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(8), P. 664 - 664

Published: April 11, 2024

This work investigates a metasurface design to achieve remarkable second harmonic generation (SHG) conversion efficiency and enhance effective nonlinear susceptibility using the finite element method. The elements of designed structure are composed rectangular split-ring resonator Ag film, bowtie-shaped nanoantenna, pair Bi bars that induce optical phenomena due nonuniform distribution electric magnetic fields within device surface. simulation results agree perfectly with theory demonstrate outstanding achievements in terms SHG (η) (χeff(2)). Specifically, reaches peak η value 4.544×10−8 an 3.4×104 pm/V. presents novel versatile high χeff(2) metasurface.

Language: Английский

Citations

5
Light Plasmon Coupling in Graphene-Wrapped Cylindrical Waveguide Filled with Lithium Fluoride (LiF) DOI

Mohamed Shaban,

Zahraa Jafaar Mohammed,

Matheel D. Al-Sabti

et al.

Plasmonics, Journal Year: 2025, Volume and Issue: unknown

Published: March 6, 2025

Language: Английский

Citations

0
Ultra-high-efficiency circularly polarized reflector based on the dislocated double rectangle arrays DOI
Bo Cheng, Botao Jiang, Yuxiao Zou

et al.

Optik, Journal Year: 2025, Volume and Issue: unknown, P. 172329 - 172329

Published: March 1, 2025

Language: Английский

Citations

0
Compact modified rectangular split ring resonator for tri-band satellite applications DOI Creative Commons

Abderraouf Fadhel,

Souad Berhab,

Rahma Aloulou

et al.

AIMS Electronics and Electrical Engineering, Journal Year: 2024, Volume and Issue: 8(4), P. 456 - 477

Published: Jan. 1, 2024

<p>This paper contributes to the design of a modified rectangular-shaped metamaterial with tri-band coverage for reflection and transmission coefficients. Two symmetrical rectangular split ring resonators (SRR) were carefully engineered then connected by their edges along axis (Ox) substantial C-shaped structure, experiencing peak surface current value near magnetic resonances, causing proposed unit cell resonate at 5.73 GHz, 8.67 13.78 where it exhibited negative effective permittivity (ENG), permeability (DNG), (MNG), respectively. A total 6 × mm<sup>2</sup> SRR was printed on Rogers RO3006 achieve better medium ratio (EMR) in C band (4.55-6.27 GHz), X (7.81-9.45 Ku (13.15-14.37 comprehensive parametric analysis performed illustrate effect crucial parameter h scattering parameters (S<sub>11</sub>, S<sub>21</sub>) resonant structure (MRSRR) specified frequency ranges. Structure underwent additional testing 1 2, 2 1, 4 arrays, yielding results that demonstrated sufficient concordance consideration [4-8 GHz], [8-12 [12-18 GHz] satellite applications. Computer Simulation Technology (CST) Microwave Studio utilized reach characteristics, specifically permeability, via Nicolson–Ross–Weir (NRW) approach, executed through MATLAB code. The examined, corresponding circuit model confirmed utilizing Advanced Design System (ADS) software, compared against CST simulation outcomes.</p>

Language: Английский

Citations

0