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Unveiling bulk and surface radiation forces in a dielectric liquid

Precise control over light-matter interactions is critical for many optical manipulation and material characterization methodologies, further playing a paramount role in a host of nanotechnology applications. Nonetheless, the fundamental aspects of interactions between electromagnetic fields and mat...

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Autores principales: Astrath, N. G. C., Flizikowski, G. A. S., Anghinoni, B., Malacarne, L. C., Baesso, M. L., Požar, T., Partanen, M., Brevik, I., Razansky, D., Bialkowski, S. E.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9021243/
https://www.ncbi.nlm.nih.gov/pubmed/35443703
http://dx.doi.org/10.1038/s41377-022-00788-7
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author Astrath, N. G. C.
Flizikowski, G. A. S.
Anghinoni, B.
Malacarne, L. C.
Baesso, M. L.
Požar, T.
Partanen, M.
Brevik, I.
Razansky, D.
Bialkowski, S. E.
author_facet Astrath, N. G. C.
Flizikowski, G. A. S.
Anghinoni, B.
Malacarne, L. C.
Baesso, M. L.
Požar, T.
Partanen, M.
Brevik, I.
Razansky, D.
Bialkowski, S. E.
author_sort Astrath, N. G. C.
collection PubMed
description Precise control over light-matter interactions is critical for many optical manipulation and material characterization methodologies, further playing a paramount role in a host of nanotechnology applications. Nonetheless, the fundamental aspects of interactions between electromagnetic fields and matter have yet to be established unequivocally in terms of an electromagnetic momentum density. Here, we use tightly focused pulsed laser beams to detect bulk and boundary optical forces in a dielectric fluid. From the optical convoluted signal, we decouple thermal and nonlinear optical effects from the radiation forces using a theoretical interpretation based on the Microscopic Ampère force density. It is shown, for the first time, that the time-dependent pressure distribution within the fluid chiefly originates from the electrostriction effects. Our results shed light on the contribution of optical forces to the surface displacements observed at the dielectric air-water interfaces, thus shedding light on the long-standing controversy surrounding the basic definition of electromagnetic momentum density in matter.
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spelling pubmed-90212432022-04-28 Unveiling bulk and surface radiation forces in a dielectric liquid Astrath, N. G. C. Flizikowski, G. A. S. Anghinoni, B. Malacarne, L. C. Baesso, M. L. Požar, T. Partanen, M. Brevik, I. Razansky, D. Bialkowski, S. E. Light Sci Appl Article Precise control over light-matter interactions is critical for many optical manipulation and material characterization methodologies, further playing a paramount role in a host of nanotechnology applications. Nonetheless, the fundamental aspects of interactions between electromagnetic fields and matter have yet to be established unequivocally in terms of an electromagnetic momentum density. Here, we use tightly focused pulsed laser beams to detect bulk and boundary optical forces in a dielectric fluid. From the optical convoluted signal, we decouple thermal and nonlinear optical effects from the radiation forces using a theoretical interpretation based on the Microscopic Ampère force density. It is shown, for the first time, that the time-dependent pressure distribution within the fluid chiefly originates from the electrostriction effects. Our results shed light on the contribution of optical forces to the surface displacements observed at the dielectric air-water interfaces, thus shedding light on the long-standing controversy surrounding the basic definition of electromagnetic momentum density in matter. Nature Publishing Group UK 2022-04-20 /pmc/articles/PMC9021243/ /pubmed/35443703 http://dx.doi.org/10.1038/s41377-022-00788-7 Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Astrath, N. G. C.
Flizikowski, G. A. S.
Anghinoni, B.
Malacarne, L. C.
Baesso, M. L.
Požar, T.
Partanen, M.
Brevik, I.
Razansky, D.
Bialkowski, S. E.
Unveiling bulk and surface radiation forces in a dielectric liquid
title Unveiling bulk and surface radiation forces in a dielectric liquid
title_full Unveiling bulk and surface radiation forces in a dielectric liquid
title_fullStr Unveiling bulk and surface radiation forces in a dielectric liquid
title_full_unstemmed Unveiling bulk and surface radiation forces in a dielectric liquid
title_short Unveiling bulk and surface radiation forces in a dielectric liquid
title_sort unveiling bulk and surface radiation forces in a dielectric liquid
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9021243/
https://www.ncbi.nlm.nih.gov/pubmed/35443703
http://dx.doi.org/10.1038/s41377-022-00788-7
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