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Proceedings Paper

Fractal metal cluster formation in polymers and nonlinear-optical mechanisms
Author(s): Todd M. Brown; Constantina Poga; Jenny Severson; Von Jackson; Mark G. Kuzyk; Mark P. Andrews
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Paper Abstract

Fractal clusters are known to act as electric field enhancers at the microscopic level. The inclusion of such clusters within a nonlinear material can greatly magnify the nonlinearity of the material. We have theoretically investigated the role an electrostrictive response, in an electrooptic type of measurement, where the index of refraction is altered by the electric field induced deformations of the spherical metal inclusions and how the surface plasmon resonance plays a role in the magnitude of the nonlinearity. We report on the fabrication of such clusters in a PMMA host material, and how linear absorption measurements can be used to probe the formation of metal particles and the aggregation of the particles into a cluster.

Paper Details

Date Published: 23 September 1994
PDF: 8 pages
Proc. SPIE 2285, Nonlinear Optical Properties of Organic Materials VII, (23 September 1994); doi: 10.1117/12.187519
Show Author Affiliations
Todd M. Brown, Washington State Univ. (United States)
Constantina Poga, Washington State Univ. (United States)
Jenny Severson, Washington State Univ. (United States)
Von Jackson, Washington State Univ. (United States)
Mark G. Kuzyk, Washington State Univ. (United States)
Mark P. Andrews, McGill Univ. (Canada)

Published in SPIE Proceedings Vol. 2285:
Nonlinear Optical Properties of Organic Materials VII
Gustaaf R. Moehlmann, Editor(s)

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