Abstract
Magnesium hydroxide structures were formed by a pulsed copper vapor laser ablation of a magnesium target in water. These structures were characterized by x-ray powder diffraction, scanning electron microscopy, and the Z-scan technique. The measurements of nonlinear optical properties of structures have been performed using a nanosecond Nd:YAG pulse laser at 532 nm by the Z-scan technique. The nonlinear refractive index and absorption coefficient of structures were obtained from closed and open aperture Z-scans of the order of and , respectively. The third-order nonlinear optical susceptibility, , of structures was measured of the order of . The results suggest that structures, in comparison with other materials that are candidates for the nonlinear optical devices, are cheaper and may be promising candidates for nonlinear optical applications.
© 2016 Optical Society of America
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