Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination

We introduce a spectral analysis method in picosecond ultrasonics to derive strain pulse shapes in a opaque sample with known optical properties. The method makes use of both the amplitude and phase of optical transient relative reflectance changes obtained, for example, by interferometry. We demons...

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Detalles Bibliográficos
Autores principales: Tachizaki, Takehiro, Baumberg, Jeremy J., Matsuda, Osamu, Tomoda, Motonobu, Ogi, Hirotsugu, Wright, Oliver B.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2023
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10651667/
https://www.ncbi.nlm.nih.gov/pubmed/38027527
http://dx.doi.org/10.1016/j.pacs.2023.100566
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author Tachizaki, Takehiro
Baumberg, Jeremy J.
Matsuda, Osamu
Tomoda, Motonobu
Ogi, Hirotsugu
Wright, Oliver B.
author_facet Tachizaki, Takehiro
Baumberg, Jeremy J.
Matsuda, Osamu
Tomoda, Motonobu
Ogi, Hirotsugu
Wright, Oliver B.
author_sort Tachizaki, Takehiro
collection PubMed
description We introduce a spectral analysis method in picosecond ultrasonics to derive strain pulse shapes in a opaque sample with known optical properties. The method makes use of both the amplitude and phase of optical transient relative reflectance changes obtained, for example, by interferometry. We demonstrate this method through numerical simulation and by analysis of experimental results for a chromium film.
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spelling pubmed-106516672023-10-29 Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination Tachizaki, Takehiro Baumberg, Jeremy J. Matsuda, Osamu Tomoda, Motonobu Ogi, Hirotsugu Wright, Oliver B. Photoacoustics Research Article We introduce a spectral analysis method in picosecond ultrasonics to derive strain pulse shapes in a opaque sample with known optical properties. The method makes use of both the amplitude and phase of optical transient relative reflectance changes obtained, for example, by interferometry. We demonstrate this method through numerical simulation and by analysis of experimental results for a chromium film. Elsevier 2023-10-29 /pmc/articles/PMC10651667/ /pubmed/38027527 http://dx.doi.org/10.1016/j.pacs.2023.100566 Text en © 2023 The Author(s) https://creativecommons.org/licenses/by/4.0/This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Research Article
Tachizaki, Takehiro
Baumberg, Jeremy J.
Matsuda, Osamu
Tomoda, Motonobu
Ogi, Hirotsugu
Wright, Oliver B.
Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination
title Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination
title_full Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination
title_fullStr Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination
title_full_unstemmed Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination
title_short Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination
title_sort spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10651667/
https://www.ncbi.nlm.nih.gov/pubmed/38027527
http://dx.doi.org/10.1016/j.pacs.2023.100566
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