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Laser-Generated Scholte Waves in Floating Microparticles
This study aims to demonstrate the generation and detection of Scholte waves inside polystyrene microparticles. This was proven using both experimental analysis and COMSOL simulation. Microspheres of different sizes were excited optically with a pulsed laser (532 nm), and the acoustic signals were d...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9961672/ https://www.ncbi.nlm.nih.gov/pubmed/36850374 http://dx.doi.org/10.3390/s23041776 |
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author | Ranjan, Abhishek Ahmad, Azeem Ahluwalia, Balpreet Singh Melandsø, Frank |
author_facet | Ranjan, Abhishek Ahmad, Azeem Ahluwalia, Balpreet Singh Melandsø, Frank |
author_sort | Ranjan, Abhishek |
collection | PubMed |
description | This study aims to demonstrate the generation and detection of Scholte waves inside polystyrene microparticles. This was proven using both experimental analysis and COMSOL simulation. Microspheres of different sizes were excited optically with a pulsed laser (532 nm), and the acoustic signals were detected using a transducer (40 MHz). On analyzing the laser-generated ultrasound signals, the results obtained experimentally and from COMSOL are in close agreement both in the time and frequency domain. A simplified analysis of Scholte wave generation by laser irradiation for homogeneous, isotropic microspheres is presented. The theoretical wave velocity of the Scholte wave was calculated and found close to our experimental results. A representation of pressure wave motion showing the Scholte wave generation is presented at different times. |
format | Online Article Text |
id | pubmed-9961672 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-99616722023-02-26 Laser-Generated Scholte Waves in Floating Microparticles Ranjan, Abhishek Ahmad, Azeem Ahluwalia, Balpreet Singh Melandsø, Frank Sensors (Basel) Article This study aims to demonstrate the generation and detection of Scholte waves inside polystyrene microparticles. This was proven using both experimental analysis and COMSOL simulation. Microspheres of different sizes were excited optically with a pulsed laser (532 nm), and the acoustic signals were detected using a transducer (40 MHz). On analyzing the laser-generated ultrasound signals, the results obtained experimentally and from COMSOL are in close agreement both in the time and frequency domain. A simplified analysis of Scholte wave generation by laser irradiation for homogeneous, isotropic microspheres is presented. The theoretical wave velocity of the Scholte wave was calculated and found close to our experimental results. A representation of pressure wave motion showing the Scholte wave generation is presented at different times. MDPI 2023-02-04 /pmc/articles/PMC9961672/ /pubmed/36850374 http://dx.doi.org/10.3390/s23041776 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Ranjan, Abhishek Ahmad, Azeem Ahluwalia, Balpreet Singh Melandsø, Frank Laser-Generated Scholte Waves in Floating Microparticles |
title | Laser-Generated Scholte Waves in Floating Microparticles |
title_full | Laser-Generated Scholte Waves in Floating Microparticles |
title_fullStr | Laser-Generated Scholte Waves in Floating Microparticles |
title_full_unstemmed | Laser-Generated Scholte Waves in Floating Microparticles |
title_short | Laser-Generated Scholte Waves in Floating Microparticles |
title_sort | laser-generated scholte waves in floating microparticles |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9961672/ https://www.ncbi.nlm.nih.gov/pubmed/36850374 http://dx.doi.org/10.3390/s23041776 |
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