Journal
JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS
Volume 7, Issue -, Pages -Publisher
EUROPEAN OPTICAL SOC
DOI: 10.2971/jeos.2012.12040
Keywords
Silver nanocomposites; z-scan measurement; nonlinear refractive index; nonlinear absorption coefficient
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Silver/polyvinyl alcohol (PVA) nanocomposites are prepared via quick precipitation method, using hydrazine as a reducing agent. Preparing of silver/PVA nanocomposites by this method is done for the first time. The samples are characterized by Uv-Visible spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM). Nonlinear optical properties are carried out by Z-scan technique using a blue CW laser beam operated at wavelength 405 nm. It is shown that the synthesized samples have negative nonlinear refractive index and the magnitude is in the order of 10(-8). The nonlinear refractive index increases as amount of reducing agent increases. [DOI: http://dx.doi.org/10.2971/jeos.2012.12040]
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