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Zakery A, Ebrahimi M. Nonlinear Optical And Optical Limiting Properties Of Suspensions Of GO In Ethanol And Water. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :541-544
URL: http://opsi.ir/article-1-1598-en.html
URL: http://opsi.ir/article-1-1598-en.html
1- Department of Physics, College of Sciences, Shiraz University
Abstract: (2324 Views)
In this paper we have investigated the nonlinear optical and optical limiting properties of suspensions of Graphene oxide nanoparticles in both water and ethanol environments. Using a low power laser diode at a 532 nm wavelength, the nonlinear absorption was determined by an open aperture Z-scan technique. Results showed that graphene oxide dispersed in water and in continuous regime does not exhibit significant nonlinear absorption properties. While on the other hand, graphene oxide dispersed in ethanol shows high nonlinear absorption properties. The optical limiting effect of these samples were also investigated using the 2nd harmonics of a pulsed Nd-YAG laser at 532 nm. As it was predictable from our results in continuous regime, Graphene oxide nanoparticles that were dispersed in ethanol had higher limiting properties compared to the other sample which was dispersed in water.
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