Enhanced light focusing inside scattering media with shaped ultrasound

Light focusing is the primary enabler of various scientific and industrial processes including laser materials processing and microscopy. However, the scattering of light limits the depth at which current methods can operate inside heterogeneous media such as biological tissue, liquid emulsions, and...

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Detalles Bibliográficos
Autores: Mestre Torà, Blanca, Duocastella, Martí
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/201840
Acceso en línea:https://hdl.handle.net/2445/201840
Access Level:acceso abierto
Palabra clave:Òptica
Làsers
Propietats òptiques
Optics
Lasers
Optical properties
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spelling Enhanced light focusing inside scattering media with shaped ultrasoundMestre Torà, BlancaDuocastella, MartíÒpticaLàsersPropietats òptiquesOpticsLasersOptical propertiesLight focusing is the primary enabler of various scientific and industrial processes including laser materials processing and microscopy. However, the scattering of light limits the depth at which current methods can operate inside heterogeneous media such as biological tissue, liquid emulsions, and composite materials. Several approaches have been developed to address this issue, but they typically come at the cost of losing spatial or temporal resolution, or increased invasiveness. Here, we show that ultrasound waves featuring a Bessel-like profile can locally modulate the optical properties of a turbid medium to facilitate light guiding. Supported by wave optics and Monte Carlo simulations, we demonstrate how ultrasound enhances light focusing a factor of 7 compared to conventional methods based on placing optical elements outside the complex medium. Combined with point-by-point scanning, images of samples immersed in turbid media with an optical density up to 15, similar to that of weakly scattering biological tissue, can be reconstructed. The quasi-instantaneous generation of the shaped-ultrasound waves, together with the possibility to use transmission and reflection architectures, can pave the way for the real-time control of light inside living tissue.Nature Publishing Group2023202320232023info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion9 p.application/pdfapplication/pdfhttps://hdl.handle.net/2445/201840Articles publicats en revistes (Física Aplicada)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.1038/s41598-023-38598-5Scientific Reports, 2023, vol. 13, p. 1-9https://doi.org/10.1038/s41598-023-38598-5cc-by (c) Mestre Torà, Blanca et al., 2023https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:recercat.cat:2445/2018402026-05-29T05:05:01Z
dc.title.none.fl_str_mv Enhanced light focusing inside scattering media with shaped ultrasound
title Enhanced light focusing inside scattering media with shaped ultrasound
spellingShingle Enhanced light focusing inside scattering media with shaped ultrasound
Mestre Torà, Blanca
Òptica
Làsers
Propietats òptiques
Optics
Lasers
Optical properties
title_short Enhanced light focusing inside scattering media with shaped ultrasound
title_full Enhanced light focusing inside scattering media with shaped ultrasound
title_fullStr Enhanced light focusing inside scattering media with shaped ultrasound
title_full_unstemmed Enhanced light focusing inside scattering media with shaped ultrasound
title_sort Enhanced light focusing inside scattering media with shaped ultrasound
dc.creator.none.fl_str_mv Mestre Torà, Blanca
Duocastella, Martí
author Mestre Torà, Blanca
author_facet Mestre Torà, Blanca
Duocastella, Martí
author_role author
author2 Duocastella, Martí
author2_role author
dc.subject.none.fl_str_mv Òptica
Làsers
Propietats òptiques
Optics
Lasers
Optical properties
topic Òptica
Làsers
Propietats òptiques
Optics
Lasers
Optical properties
description Light focusing is the primary enabler of various scientific and industrial processes including laser materials processing and microscopy. However, the scattering of light limits the depth at which current methods can operate inside heterogeneous media such as biological tissue, liquid emulsions, and composite materials. Several approaches have been developed to address this issue, but they typically come at the cost of losing spatial or temporal resolution, or increased invasiveness. Here, we show that ultrasound waves featuring a Bessel-like profile can locally modulate the optical properties of a turbid medium to facilitate light guiding. Supported by wave optics and Monte Carlo simulations, we demonstrate how ultrasound enhances light focusing a factor of 7 compared to conventional methods based on placing optical elements outside the complex medium. Combined with point-by-point scanning, images of samples immersed in turbid media with an optical density up to 15, similar to that of weakly scattering biological tissue, can be reconstructed. The quasi-instantaneous generation of the shaped-ultrasound waves, together with the possibility to use transmission and reflection architectures, can pave the way for the real-time control of light inside living tissue.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/201840
url https://hdl.handle.net/2445/201840
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1038/s41598-023-38598-5
Scientific Reports, 2023, vol. 13, p. 1-9
https://doi.org/10.1038/s41598-023-38598-5
dc.rights.none.fl_str_mv cc-by (c) Mestre Torà, Blanca et al., 2023
https://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by (c) Mestre Torà, Blanca et al., 2023
https://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 9 p.
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Nature Publishing Group
publisher.none.fl_str_mv Nature Publishing Group
dc.source.none.fl_str_mv Articles publicats en revistes (Física Aplicada)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812455

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