Magnetically tunable 4 × 2 Encoder utilizing Terfenol-D-embedded phononic crystal ring resonators

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

Published: Feb. 1, 2025

Language: Английский

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Full-range acoustic modulator based on magnetically-driven phononic crystal

Physica Scripta, Journal Year: 2025, Volume and Issue: 100(5), P. 055906 - 055906

Published: April 3, 2025

Abstract This paper proposes a solid–liquid phononic crystal-based acoustic modulator which can be effectively controlled by an external magnetic field. design is particularly well-suited for communication systems. The consists of square lattice steel cylinders embedded in water as the substrate. By selectively removing specific rods, symmetric Mach–Zehnder interferometer (MZI) formed. ferromagnetic material Terfenol-D inserted into sensing (upper) arm MZI inclusion. Applying fields varying intensities alters Young’s modulus material. change elastic induces phase difference output modulator. proposed achieves complete range transmission from minimum (0%) to maximum (100%). Additionally, high extinction ratio 28.09 dB reported, highlighting excellent performance structure.

Language: Английский

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Magnetically adjustable AND/XOR logic gates using Terfenol-D in phononic crystal

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

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Magnetically Tunable Acoustic Add-Drop Filter via Terfenol-D

Physica Scripta, Journal Year: 2024, Volume and Issue: 99(10), P. 105924 - 105924

Published: Aug. 23, 2024

Abstract This article introduces a new approach to provide magnetically tunable add-drop filter structure based on solid–solid phononic crystal by varying the magnetic field intensities of Terfenol-D in GHz frequency range. The system is prepared with two-dimensional composed Nylon as base material, connected square array circular Molybdenum cylinders. plan includes bus waveguide single-ring resonator and drop waveguide. ring embraces six embedded cylinders that control their Young’s modulus values, strategically they are placed both sides resonator. designed be manipulated an outside field, capitalizing changes magnetostrictive materials response different intensities. tunability proposed elastic output achieved through dynamic modulus. resonance these within it critical filter’s performance. acts frequencies particular resonator, utilizing method manipulates interposition acoustic waves using external configuration. Furthermore, efficiency has been endorsed coupled mode theory. Additionally, demonstrates suitable performance notable average quality factor 10502, minimal insertion loss 1.5 dB, damping ratio 4.5 × 10 −5 . suggested straightforward for communication systems networks.

Language: Английский

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A magnetically switchable demultiplexer via Terfenol-D in phononic crystal

Journal of Magnetism and Magnetic Materials, Journal Year: 2024, Volume and Issue: 609, P. 172484 - 172484

Published: Sept. 1, 2024

Language: Английский

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Ethyl Lactate Fano Resonance-Based Sensor Utilizing Phononic Crystal Notch-Filter

Sensing and Imaging, Journal Year: 2024, Volume and Issue: 26(1)

Published: Dec. 25, 2024

Language: Английский

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