Light generated bubble for microparticle propulsion

Abstract Light activated motion of micron-sized particles with effective forces in the range of micro-Newtons is hereby proposed and demonstrated. Our investigation shows that this exceptional amount of force results from accumulation of light-generated heat by a micron-sized particle that translate...

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Autores principales:	Ido Frenkel, Avi Niv
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e35f6a2ecc4e4f8b92226eb51f4dc91f
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spelling	oai:doaj.org-article:e35f6a2ecc4e4f8b92226eb51f4dc91f2021-12-02T15:05:28ZLight generated bubble for microparticle propulsion10.1038/s41598-017-03114-z2045-2322https://doaj.org/article/e35f6a2ecc4e4f8b92226eb51f4dc91f2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03114-zhttps://doaj.org/toc/2045-2322Abstract Light activated motion of micron-sized particles with effective forces in the range of micro-Newtons is hereby proposed and demonstrated. Our investigation shows that this exceptional amount of force results from accumulation of light-generated heat by a micron-sized particle that translates into motion due to a phase transition in the nearby water. High-speed imagery indicates the role of bubble expansion and later collapse in this event. Comparing observations with known models reveals a dynamic behavior controlled by polytropic trapped vapor and the inertia of the surrounding liquid. The potential of the proposed approach is demonstrated by realization of disordered optical media with binary light-activated switching from opacity to high transparency.Ido FrenkelAvi NivNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ido Frenkel Avi Niv Light generated bubble for microparticle propulsion
description	Abstract Light activated motion of micron-sized particles with effective forces in the range of micro-Newtons is hereby proposed and demonstrated. Our investigation shows that this exceptional amount of force results from accumulation of light-generated heat by a micron-sized particle that translates into motion due to a phase transition in the nearby water. High-speed imagery indicates the role of bubble expansion and later collapse in this event. Comparing observations with known models reveals a dynamic behavior controlled by polytropic trapped vapor and the inertia of the surrounding liquid. The potential of the proposed approach is demonstrated by realization of disordered optical media with binary light-activated switching from opacity to high transparency.
format	article
author	Ido Frenkel Avi Niv
author_facet	Ido Frenkel Avi Niv
author_sort	Ido Frenkel
title	Light generated bubble for microparticle propulsion
title_short	Light generated bubble for microparticle propulsion
title_full	Light generated bubble for microparticle propulsion
title_fullStr	Light generated bubble for microparticle propulsion
title_full_unstemmed	Light generated bubble for microparticle propulsion
title_sort	light generated bubble for microparticle propulsion
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/e35f6a2ecc4e4f8b92226eb51f4dc91f
work_keys_str_mv	AT idofrenkel lightgeneratedbubbleformicroparticlepropulsion AT aviniv lightgeneratedbubbleformicroparticlepropulsion
_version_	1718388862667980800

Light generated bubble for microparticle propulsion

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