Fractal metal cluster formation in polymers and nonlinear-optical mechanisms

Todd M. Brown; Constantina Poga; Jenny Severson; Von Jackson; Mark G. Kuzyk; Mark P. Andrews

doi:10.1117/12.187519

23 September 1994 Fractal metal cluster formation in polymers and nonlinear-optical mechanisms

Todd M. Brown, Constantina Poga, Jenny Severson, Von Jackson, Mark G. Kuzyk, Mark P. Andrews

Proceedings Volume 2285, Nonlinear Optical Properties of Organic Materials VII; (1994) https://doi.org/10.1117/12.187519
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

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.

Citation Download Citation

Todd M. Brown, Constantina Poga, Jenny Severson, Von Jackson, Mark G. Kuzyk, and Mark P. Andrews "Fractal metal cluster formation in polymers and nonlinear-optical mechanisms", Proc. SPIE 2285, Nonlinear Optical Properties of Organic Materials VII, (23 September 1994); https://doi.org/10.1117/12.187519

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