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Proceedings Paper

Nonlinear optical effect in asphaltene solutions
Author(s): Jimmy A. Castillo; Jannett Hung; Alberto Fernandez; V. Mujica
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Paper 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.

Paper Details

Date Published: 4 October 1999
PDF: 7 pages
Proc. SPIE 3798, Power-Limiting Materials and Devices, (4 October 1999); doi: 10.1117/12.363875
Show Author Affiliations
Jimmy A. Castillo, Univ. Central de Venezuela (Venezuela)
Jannett Hung, Univ. Central de Venezuela (Venezuela)
Alberto Fernandez, Univ. Central de Venezuela (Venezuela)
V. Mujica, Univ. Central de Venezuela (Venezuela)

Published in SPIE Proceedings Vol. 3798:
Power-Limiting Materials and Devices
Christopher M. Lawson, Editor(s)

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