Induced guided acoustic waves in waveguides and resonators

Khattab, Moulay Said; Kadmiri, Ilyass El; Ben-Ali, Youssef; Barkani, Jamal; Yousfi, Jamal; Bria, Driss

doi:10.1016/j.matpr.2022.07.444

Cited by 4 publications

(3 citation statements)

References 12 publications

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“…Concurrently, the quantity of discrete modes also witnesses an upsurge. This observed trend aligns with findings from previous studies on acoustic star waveguide structures, as cited in [10,11].…”

Section: Discrete Modes Of a Single Cellulesupporting

confidence: 92%

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Multi-channel Electromagnetic Filters Based on EIT and Fano Resonances through Parallel Segments and Asymmetric Resonators

Khattab,

Touiss,

El Kadmiri

et al. 2024

PIER Letters

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In this study, we investigate electromagnetically induced transparency (EIT) and Fano resonances, focusing on the propagation of electromagnetic waves in a system of parallel waveguides associated with asymmetric resonators. Our design includes five waveguides and two resonators, generating discrete modes influenced by their respective lengths. The EIT resonance is characterized by a prominent transmission peak flanked by two transmission zeros, while the Fano resonance is characterized by a pronounced transmission peak adjacent to a transmission zero. Using the transfer matrix method (TMM), we calculate transmission and reflection rates. Our results indicate that the EIT resonance appears when the resonator lengths show slight differences, whereas the Fano resonance appears when the resonator lengths are identical. Both resonances are sensitive to resonator lengths and permittivity indices. Consequently, the geometrical parameters of the system must be carefully selected according to the application in question, whether waveguiding or multi-channel electromagnetic filtering.

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Section: Discrete Modes Of a Single Cellulesupporting

confidence: 92%

“…Mouadili et al ex-perimentally crafted a photonic device leveraging EIT and Fano resonances [7]. Other notable works include investigations by Islam et al on double slot waveguides [8], El Kadmiri et al on multi-channel acoustic filters [9], and Khattab et al on acoustically induced transparency [10,11].…”

Section: Introductionmentioning

confidence: 99%

Multi-channel Electromagnetic Filters Based on EIT and Fano Resonances through Parallel Segments and Asymmetric Resonators

Khattab,

Touiss,

El Kadmiri

et al. 2024

PIER Letters

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“…PnCs are manufactured shapes with periodic variations in material properties such as mass, stiffness, tension, etc. 21,22 . This regular change in acoustic properties leads to a phononic band gap (PnBG) analogous to the PBG in PCs 23,24 .…”

mentioning

confidence: 99%

Periodic open and closed resonators as a biosensor using two computational methods

Zaky,

Al-Dossari,

Hendy

et al. 2024

Sci Rep

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The volatile particles and molecules in our dry exhaled breath can reveal enormous information about the health of any person, such as the person’s respiratory and metabolic functioning. Beyond the carbon dioxide level is an indicator of life, it provides important health-related data like people’s metabolic rate. This study considers periodic open and closed resonators for measuring carbon dioxide concentration in dry exhaled breath. Transfer matrix and green methods are used to simulate the interaction between acoustic waves and the proposed sensor. The band gaps using the green method coincide with the transmittance spectra by the transfer matrix. The suggested sensor recorded a sensitivity of $$5.3 Hz.{m}^{-1}.s$$ 5.3 H z . m - 1 . s , a figure of merit of 10,254 $${m}^{-1}.s$$ m - 1 . s , a detection limit of $$5\times {10}^{-6} m.{s}^{-1}$$ 5 × 10 - 6 m . s - 1 , and a quality factor of $$3\times {10}^{6}$$ 3 × 10 6 . Furthermore, the efficiency shows that the proposed design is appropriate as a diagnostic sensor for different diseases such as chronic obstructive pulmonary. Besides, cylindrical-adapted sensors are urgently needed in medicine, industry, and biology because they can simultaneously be used for fluid transport and detection.

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Design of phononic crystal using open resonators as harmful gases sensor

Zaky

Hendy

Aly

2023

Sci Rep

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This paper investigates the ability to use a finite one-dimensional phononic crystal composed of branched open resonators with a horizontal defect to detect the concentration of harmful gases such as CO2. This research investigates the impact of periodic open resonators, defect duct at the center of the structure, and geometrical parameters such as cross-sections and length of the primary waveguide and resonators on the model's performance. As far as we know, this research is unique in the sensing field. Furthermore, these simulations show that the investigated finite one-dimensional phononic crystal composed of branched open resonators with a horizontal defect is a promising sensor.

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Induced guided acoustic waves in waveguides and resonators

Cited by 4 publications

References 12 publications

Multi-channel Electromagnetic Filters Based on EIT and Fano Resonances through Parallel Segments and Asymmetric Resonators

Multi-channel Electromagnetic Filters Based on EIT and Fano Resonances through Parallel Segments and Asymmetric Resonators

Periodic open and closed resonators as a biosensor using two computational methods

Design of phononic crystal using open resonators as harmful gases sensor

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