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Journal Articles Optics Express Year : 2013

Nanobubble evolution around nanowire in liquid

Abstract

The evolution of the shape and size of a bubble around a nanowire immersed in a liquid can be studied as a light absorption problem and consequently can directly be related to the distribution of the temperature around the nanowire. Such a physical phenomenon can be seen as the photo-thermal coupled problem of nanowire illuminated by an electromagnetic wave. The resolution of the multiphysic model allows to compute the variation of the temperature and consequently the evolution of the created bubble. An advanced adaptive remeshing process is developed to solve the numerical model using Finite Element Method. An optimization process is applied to solve the coupled problem and is used to detect the size of the produced bubble around nanowire under illumination. The adaptive remeshing process permits to control the convergence of the numerical solution relatively to the evolution of the temperature field. The process allows to study the evolution of the shape and size of the bubble. We show the influence of the laser parameters on the evolution of the bubble. The informations about the geometry of the nanowire can be deduced from the size and shape of the bubble.

Dates and versions

hal-00936623 , version 1 (27-01-2014)

Identifiers

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Anis Chaari, Thomas Grosges, Laurence Giraud-Moreau, Dominique Barchiesi. Nanobubble evolution around nanowire in liquid. Optics Express, 2013, 21 (22), pp.26942-26954. ⟨10.1364/OE.21.026942⟩. ⟨hal-00936623⟩
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