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Pirouzfar S, Salmani S. Analyzing moiré pattern for calculating nonlinear refractive index in an Azo dye . ICOP & ICPET _ INPC _ ICOFS 2018; 24 :393-396
URL: http://opsi.ir/article-1-1579-en.html
URL: http://opsi.ir/article-1-1579-en.html
1- Photonics lab, Department of Physics, Kharazmi University, Tehran, Iran
Abstract: (2256 Views)
In this paper, the change of moiré pattern by a nonlinear sample (Disperse Orange 25) has been studied. By analyzing the intensity distribution graph of moiré pattern, in MATLAB software, a microscopic rotation of 0.0017radian was measured respect to linear regime. Furthermore we have calculated the nonlinear refractive index of
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