The detection of chemical samples having close dielectric response is a big challenge as the principle driven by variations in parameters investigated samples. In current work, new metamaterial-based sensor designed and fabricated order to be used for liquid chemicals frequency range from 8 12 GHz. Several designs were tested using genetic algorithm, which embedded CST microwave studio, optimize desired dimensions resonator. simulation experimental results showed that proposed working well...

In this paper, a new metamaterials-based hypersensitized liquid sensor integrating omega-shaped resonator with microstrip transmission line is proposed. Microwave responses to industrial energy-based liquids are investigated intensively from both numerical and experimental point of view. Simulation results concerning three-dimensional electromagnetic fields have shown that the coefficient could be monitored by magnetic coupling between omega resonator. This structure has been examined...

In this paper, a terahertz (THz) metamaterial absorber (MTMA), incorporating surface Pythagorean tree fractal resonators, was designed and experimentally fabricated on the flexible substrate of polyethylene terephthalate. The design presented two peaks with strong absorption more than 97% at 0.49 0.69 THz. dual-band were seen to be shifted change in refractive index surrounding medium, corresponding sensitivity 0.0968 0.1182 THz/RIU. spectral shift reflection resonance dip utilized as an...

A triple band metamaterial absorber in the terahertz range, incorporating a three closed circle ring resonator, was designed and fabricated on flexible polyethylene terephthalate “PET” substrate. The proposed design investigated theoretically experimentally. Computer simulation technology “CST” used to study structure, while lithography technique fabricate time-domain spectroscopy utilized measure reflectivity. Results showed presence of intensive peaks at resonance frequencies ‘0.43, 0.61,...

In this work, a new metamaterial design is proposed to yield an ultra-thin and dual band metamaterials perfect absorber (MPA) be operated in the frequency range from 15 35 THz. The structure consisted of copper resonator deposited on very thin Zinc Selenide ZnSe (0.6 μm) substrate, where backside covered with metal plate block transmission electromagnetic waves. Computer Simulation Technology (CST) was used investigate structure. absorption response found high enough absorptivity 98.44 99.28...

The detection of branded and unbranded chemical materials is essential for the quality control assessment. In this work, a metamaterial inspired sensor designed fabricated, which incorporates oval-shaped wing resonators, in order to use detect diesels X-band frequency region. simulation studies were carried out by using Computer Simulation Technology (CST) Microwave studio. A transmission line was introduced into design genetic algorithm used optimize proposed structure. Parametric study...

In this paper, square-shaped water metamaterial is reported, which can be used as a perfect absorber for ultra-broadband absorption in the microwave frequency range. Computer Simulation Technology (CST) software was to investigate results numerically, while 3D printing technology fabricate proposed design. The simulated and experimental showed that structure achieved of more than 90% range from 10.4 30 GHz. Moreover, metamaterial-based system able show polarization insensitivity maintain...

Abstract In this work, a triple-band polarization-insensitive metamaterial structure with perfect absorption is proposed by incorporating zinc selenide (ZnSe) spacer. The was optimally designed varying the type of spacer and unit cell dimensions. simulated using finite integration technique, results showed that design achieved near-perfect about 99%, 100% at 22.50, 28.98, 35.14 THz, respectively. Its characteristics were insensitive to polarization angle wide range incidence angles, making...

In this research work, a symmetrical four-capacitance loaded complementary circular split ring resonator is proposed, which uses an ultra-thin Zinc Selenide (ZnSe) substrate to realize low-profile triple-band metamaterial (MTM) perfect absorber for application in the terahertz (THz) frequency range. The electromagnetic properties of proposed structure were calculated and investigated using Finite Integration Technique (FIT). exhibited three highly absorptive (nearly perfect) peaks at...

In this work, the impact of substrate type and design dimensions on bow-tie microstrip antenna performance bandwidth improvement is presented both numerically experimentally at 4–8 GHz. The finite integration technique (FIT)-based high-frequency electromagnetic solver, CST Microwave Studio, was used for simulation analysis. For purpose, four antennas were designed, fabricated, measured upon using different materials thicknesses. Precise results achieved simulated experimental showed a good...

Improvement in the antenna gain is usually achieved at expense of bandwidth and vice versa. This where realization this enhancement can be made through compromising profile. In work, we propose a new design incorporating periodic metasurface array to enhance while keeping low-profile scheme. The proposed was simulated fabricated order validate results operating frequency range from 10 MHz 43.5 GHz. Computer simulation technology (CST) microwave studio software used simulate antenna, LPKF...

In this work, a new design for real-time noninvasive metamaterial sensor, based on corona-shaped resonator, is proposed. The sensor was designed numerically and fabricated experimentally in order to be utilized efficient detection of glucose aqueous solutions such as water blood. inspired by corona in-plane-shaped with the presumption that its circular structure might produce broader interaction electromagnetic waves samples. A clear shift resonance frequency observed various samples, which...

In this study, a novel broadband metamaterial (MTM) absorber is proposed, which based on vanadium dioxide (VO 2 ) resonators coated onto flexible polyamide substrate. The VO resonator in the form of quatrefoil and circle-loaded complementary square split ring (CSSRR), fine tuned to operate terahertz range. MTM design simulation were carried out using Computer Simulation Technology (CST) software, by different layouts investigated achieve optimum structure. results showed presence two...

In this work, a novel sensor based on printed circuit board (PCB) microstrip rectangular patch antenna is proposed to detect different ratios of ethanol alcohol in wines and isopropyl disinfectants. The was designed by finite integration technique (FIT) high-frequency electromagnetic solver (CST) fabricated Proto Mat E33 machine. To implement the numerical investigations, dielectric properties samples were first measured probe kit then uploaded into simulation program. Results showed linear...

A broadband coplanar waveguide (CPW)-fed monopole antenna based on conventional CPW-fed integration with an organic solar cell (OSC) of 100% insolation is suggested for Ku band satellite communication. The proposed configuration was designed to allow the OSC, thereby improving performance antenna. device structure fabricated using a Leiterplatten-Kopierfrasen (LPKF) prototyping Printed circuit board (PCB) machine, while vector network analyzer utilized measure return loss. simulated results...

Due to increasing robbery and intrusion, establishing home-security system has become a correlated part of the modern houses, buildings, offices. As family members are not at home all time, traditional security system, which makes alarm sound only, may be efficient enough. Alternatively, Global System for Mobile communications (GSM) based can provide higher level convenience compared traditionally used systems. The main objective current paper is design implement cost-efficient reliable...

In this paper, a new design of high gain and wide bandwidth microstrip patch antenna array containing double meander dipole structure is proposed. Two in-phase resonant frequencies in the Ku-band (12–18 GHz) could be achieved structure, which lead to enhance impedance without costing extra section. Besides, further enhanced 2 dBi over entire operating frequency range has been by introducing double-layer substrate technique. The proposed fabricated using E33 model LPKF prototyping PCB...

In this research a novel design of monopole microstrip antenna is introduced. The proposed has compact size 2.1 × 1.5 3.175 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> with simple structure consisting semi-triangular patch shape coplanar waveguide (CPW) feed line. provides wide bandwidth covering frequencies from 4. 5 GHz to 15 an input reflection coefficient (S11) smaller than -10 dB over the entire range. obtained percentage...

In this paper, a new sensor structure is presented based on printed circuit board (PCB) monopole antenna with operating frequency of f= 2 GHz. Numerical investigation was performed in order to determine the ethanol alcohol ratio wine and isopropyl disinfectants (sanitizers). Finite Integration Technique (FIT) commercial high-frequency electromagnetic solver CST Microwave Studio has been used for simulation study. The loss tangent values dielectric constants samples current study were...

We propose a new technique of utilizing metamaterials-based sensor for rapid diagnosis covid-19 through electromagnetic-stimulated analysis the blood drawn from patient. The was inspired by coronavirus in plane-shaped design with presume that its circular structure might produce broader interaction electromagnetic waves sample. designed numerically and tested experimentally evaluating variations reflection coefficient (S11) transmission (S21) at resonant frequency. Results relevant sample...