4 October 1999 Nonlinear optical effect in asphaltene solutions
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Abstract
In the present work an application of z-scan technique to the study of asphaltenes is presented in order to determine their nonlinear properties. For asphaltenes toluene solution a high value of nonlinear refraction index (n2 equals 6.04 X 10-12) it is obtained. Strong dependence of the two photon absorption coefficient ((beta) ) with the input intensity was observed for higher solutions concentration, which can be explained by molecular aggregation.
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Jimmy A. Castillo, Jimmy A. Castillo, Jannett Hung, Jannett Hung, Alberto Fernandez, Alberto Fernandez, V. Mujica, V. Mujica, } "Nonlinear optical effect in asphaltene solutions", Proc. SPIE 3798, Power-Limiting Materials and Devices, (4 October 1999); doi: 10.1117/12.363875; https://doi.org/10.1117/12.363875
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