High spatiotemporal resolution optoacoustic sensing with photothermally induced acoustic vibrations in optical fibres

Optoacoustic sensing applications are limited by weak electrostrictive force. Here, the authors induce photothermally acoustic vibrations with a focused pulsed laser, and via scanning demonstrate sensing of acoustic impedance at 10 µm spatial resolution, allowing for visualisation of diffusion dynam...

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Autores principales: Yizhi Liang, Huojiao Sun, Linghao Cheng, Long Jin, Bai-Ou Guan
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/a0a45c6ce88a42e5afbab0698c4c8248
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