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Nonlinear optical response of colloidal suspensions

Lee, W. M.; El-Ganainy, R.; Christodoulides, D. N.; Dholakia, K.; Wright, E. M.


We experimentally probed the nonlinear optical response of aqueous nano-colloidal suspensions to provide a test of the theoretical approaches that have been proposed for the nonlinearity, namely an exponential model, an artificial Kerr medium, and a non-ideal gas model. The best agreement with experiment is found using the non-ideal gas model for the colloidal suspension which in turn can be used to infer values for the second virial coefficient of the medium and the nonlinear...[Show more]

CollectionsANU Research Publications
Date published: 2009-06-08
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.17.010277


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