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Ghasempour Ardakani A, Keshavarznasab F, Sadeghi N, Ebrahimi M, Zakery A. Measurement of linear and nonlinear optical properties of Zinc Oxide sheets grown by electrochemical deposition method . ICOP & ICPET _ INPC _ ICOFS 2018; 24 :421-424
URL: http://opsi.ir/article-1-1556-en.html
URL: http://opsi.ir/article-1-1556-en.html
Abbas Ghasempour Ardakani * 
1, Fatemeh Keshavarznasab1 , Niloofar Sadeghi1 , Mojtaba Ebrahimi1 , Abdolnaser Zakery1
1, Fatemeh Keshavarznasab1 , Niloofar Sadeghi1 , Mojtaba Ebrahimi1 , Abdolnaser Zakery1
1- Physics Department, Shiraz University, Shiraz, Iran
Abstract: (2136 Views)
In this paper zinc oxide sheets are grown on a FTO substrate using electrochemical method. The nonlinear optical coefficients of these sheets are determined using the z-scan technique. In this method, a cw Nd-YAG laser with wavelength of 532 nm is applied as the radiation source. Our experimental results indicate that the ZnO sheets have positive nonlinear refractive index and exhibit the nonlinear self-focusing phenomenon. Furthermore, the z-scan results reveal that ZnO sheets grown in this paper possess saturated absorption. Finally, the third order nonlinear susceptibility is obtained for ZnO sheets by using the measured nonlinear refractive index and nonlinear absorption coefficient.
Keywords: zinc oxide sheets, electrochemical method, z-scan technique, nonlinear optical properties.
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