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散射介质中通过多个超声波实现光的频移

Frequency shifting of light via multiple ultrasound waves in scattering media.

作者信息

Kinos Adam

机构信息

Department of Physics, Lund University, P.O. Box 118, SE-22100 Lund, Sweden.

Deep Light Vision AB, Gasverksgatan 3A, SE-22929 Lund, Sweden.

出版信息

Biomed Opt Express. 2024 Nov 27;15(12):7066-7076. doi: 10.1364/BOE.541721. eCollection 2024 Dec 1.

DOI:10.1364/BOE.541721
PMID:39679403
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11640561/
Abstract

We derive analytical expressions to describe how light is frequency-shifted when interacting with ultrasound within scattering media, due to the modulation of the refractive index induced by the ultrasound pressure waves. The model is validated through Monte Carlo simulations, works for high ultrasound pressures, and allows for many simultaneous ultrasound waves or frequency components, which is important due to the non-linear propagation effects in tissue. We also provide critical insights into how the ultrasound properties can be optimized for an enhanced efficiency of the light to be frequency-shifted, facilitating applications in ultrasound optical tomography and other photonic diagnostic techniques.

摘要

我们推导了分析表达式，以描述光在散射介质中与超声相互作用时由于超声压力波引起的折射率调制而发生的频移情况。该模型通过蒙特卡罗模拟得到验证，适用于高超声压力，并且允许存在多个同时的超声波或频率分量，这在组织中的非线性传播效应方面很重要。我们还深入洞察了如何优化超声特性以提高光频移的效率，这有助于超声光学断层扫描和其他光子诊断技术的应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/7925d26f71bb/boe-15-12-7066-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/dcd9c8a01346/boe-15-12-7066-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/fc0a1df153aa/boe-15-12-7066-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/b72189e1c42f/boe-15-12-7066-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/33c8ab9eb327/boe-15-12-7066-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/846830bbcbda/boe-15-12-7066-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/7925d26f71bb/boe-15-12-7066-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/dcd9c8a01346/boe-15-12-7066-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/fc0a1df153aa/boe-15-12-7066-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/b72189e1c42f/boe-15-12-7066-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/33c8ab9eb327/boe-15-12-7066-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/846830bbcbda/boe-15-12-7066-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb2/11640561/7925d26f71bb/boe-15-12-7066-g006.jpg

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本文引用的文献

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Acousto-optic interaction strengths in optically scattering media using high pressure acoustic pulses.使用高压声脉冲研究光散射介质中的声光相互作用强度
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Investigating ultrasound-light interaction in scattering media.研究散射介质中的超声-光相互作用。
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