Nonlinear refraction and nonlinear absorption of an aqueous colloidal solution of chalcogenide As<sub>2</sub>S<sub>3</sub>
R. A. Ganeev'Akadempribor' Research and Production Association, Academy of Science of Uzbekistan, Tashkent, UzbekistanA.I. RyasnyanskyA. Navoi Samarkand State University, Samarkand, UzbekistanT. Usmanov'Akadempribor' Research and Production Association, Academy of Science of Uzbekistan, Tashkent, Uzbekistan
ABI
Abstract
Nonlinear optical characteristics of an aqueous colloidal solution of As2S3 are studied by the Z-scan technique at the wavelength 1064 of a 25-ns Nd:YAG laser. The measured values of the nonlinear refractive index and the third-order nonlinear susceptibility are found to be −2.8 × 10-11 and −4.7 × 10-12 CGSE units, respectively. The nonlinear absorption coefficient of the chalcogenide solution is found to be 1 cm GW-1.
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