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Proceedings Paper

Light-induced dynamics of metal aggregated nanoparticles
Author(s): Sergey V. Perminov; Vladimir P. Drachev; Sergei G. Rautian
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Paper Abstract

The light-induced forces in the aggregates of metal nanoparticles are studied with the Newton's and coupled dipole equations. The simulations imply a linear intrinsic optical response of the particles and host medium. Large and relatively fast third-order optical nonlinearity of such a nanocomposite is shown to originate from the light-induced motion of the particles. The nonlinear absorption coefficients of an artificial medium composed of 5-particles aggregates are simulated at different intensities and frequencies of the incident light. The calculated nonlinear absorption appears to be of the same order of magnitude as typically measured for the silver colloids.

Paper Details

Date Published: 10 April 2007
PDF: 8 pages
Proc. SPIE 6613, Laser Optics 2006: Wavefront Transformation and Laser Beam Control, 66130J (10 April 2007); doi: 10.1117/12.739998
Show Author Affiliations
Sergey V. Perminov, Institute of Semiconductor Physics (Russia)
Vladimir P. Drachev, Purdue Univ. (United States)
Sergei G. Rautian, P.N. Lebedev Physical Institute (Russia)

Published in SPIE Proceedings Vol. 6613:
Laser Optics 2006: Wavefront Transformation and Laser Beam Control
Leonid N. Soms, Editor(s)

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