High quality and sensitivity phononic crystal channel drop filter to detect ethyl lactate in mixtures of ethyl lactate and 2-butoxy ethanol DOI Creative Commons
Ehsan Mehdizadeh Omrani, Fakhroddin Nazari

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Oct. 27, 2024

This paper introduces a new sensing approach utilizing solid-solid phononic crystal (PnC) channel drop filter structure for the detection of varying molar fractions Ethyl lactate within mixture and 2-butoxy ethanol. The sensor features two-dimensional PnC constructed from poly methyl methacrylate as background material, incorporating regular arrangement circular Tungsten columns. design integrates bus waveguide linked to two interconnected ring resonators, which are coupled waveguide. Each resonator is equipped with three strategically positioned pillars near coupling region, allowing accommodation concentrations lactate. sensor's performance significantly influenced by resonators integrated pillars. It identifies specific resonance frequencies that shift in response changes resonators. transmission frequency exhibits valuable sensitivity these concentration variations, reflecting unique sound velocities mass densities associated each level effectiveness proposed validated through mode theory, demonstrating close match device's observed behavior. measured range spans 1.972 MHz 1.979 step size 1 Hz. Notably, displays considerable characteristics, including an average quality factor 90,613, 3816 Hz, figure merit 172, signal-to-noise ratio 137, resolution 22 damping 0.56 × 10− 5, limit 34 5. These results underscore potential accurate high sensitivity. can effectively identify variations levels, prevalent various applications, pharmaceuticals food additives.

Language: Английский

Magnetically tunable 4 × 2 Encoder utilizing Terfenol-D-embedded phononic crystal ring resonators DOI Creative Commons
Ehsan Mehdizadeh Omrani, Fakhroddin Nazari

Journal of Science Advanced Materials and Devices, Journal Year: 2025, Volume and Issue: unknown, P. 100861 - 100861

Published: Feb. 1, 2025

Language: Английский

Citations

1
Magnetically adjustable AND/XOR logic gates using Terfenol-D in phononic crystal DOI Creative Commons
Ehsan Mehdizadeh Omrani, Fakhroddin Nazari

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: April 9, 2025

This study present novel configurations for magnetically tunable AND/XOR logic gates, employing ring resonators, cross-shaped waveguides, and Terfenol-D cylinders integrated into a solid-solid phononic crystal. The proposed design provides the varying magnetic field intensities of within MHz frequency spectrum. These gates boast an ultra-compact with footprint measuring just 249× [Formula: see text] m² 129× m², featuring two input waveguides one output waveguide, each outfitted resonators. Each resonator integrates three utilized that enable modulation Young's modulus. symmetrical configuration structures facilitates creation unique resonant frequencies adapting identically to variations in intensities. are designed be influenced by external fields, utilizing modulus occur magnetostrictive materials under various tunability operational efficiency these greatly play crucial role enhancing resonance numbers resonators dynamic properties. Tunability experiments were conducted at several values Terfenol-Ds, corresponding intensities, resulting 1.5030 MHz, 1.5032 1.5033 AND gate 1.5040 1.5044 1.5047 XOR gate. performance was appraised using finite element method, which yielded average contrast ratio 11.59 dB 12.15 gate, respectively. suggested simple yet efficient solution acoustic communication systems, networks, digital computing circuits.

Language: Английский

Citations

0
A Constrained Plane Wave Expansion Approach For Reconfigurable Interface Split-Ring Resonators DOI

Xingran Li,

Yapeng Li, Yung Boon Chong

et al.

Published: Jan. 1, 2025

Language: Английский

Citations

0
High quality and sensitivity phononic crystal channel drop filter to detect ethyl lactate in mixtures of ethyl lactate and 2-butoxy ethanol DOI Creative Commons
Ehsan Mehdizadeh Omrani, Fakhroddin Nazari

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Oct. 27, 2024

This paper introduces a new sensing approach utilizing solid-solid phononic crystal (PnC) channel drop filter structure for the detection of varying molar fractions Ethyl lactate within mixture and 2-butoxy ethanol. The sensor features two-dimensional PnC constructed from poly methyl methacrylate as background material, incorporating regular arrangement circular Tungsten columns. design integrates bus waveguide linked to two interconnected ring resonators, which are coupled waveguide. Each resonator is equipped with three strategically positioned pillars near coupling region, allowing accommodation concentrations lactate. sensor's performance significantly influenced by resonators integrated pillars. It identifies specific resonance frequencies that shift in response changes resonators. transmission frequency exhibits valuable sensitivity these concentration variations, reflecting unique sound velocities mass densities associated each level effectiveness proposed validated through mode theory, demonstrating close match device's observed behavior. measured range spans 1.972 MHz 1.979 step size 1 Hz. Notably, displays considerable characteristics, including an average quality factor 90,613, 3816 Hz, figure merit 172, signal-to-noise ratio 137, resolution 22 damping 0.56 × 10− 5, limit 34 5. These results underscore potential accurate high sensitivity. can effectively identify variations levels, prevalent various applications, pharmaceuticals food additives.

Language: Английский

Citations

3