E. Yu. Erushin, N. Yu. Kostyukova, A. A. Boyko, I. B. Miroshnichenko, D. M. Verbovaty, A. Yu. Kiryakova
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Investigation of the Nonlinear Refractive Index of Polycrystalline Zinc Selenide by Single-Beam Z-Scan
This article presents an automated setup for studying the nonlinear optical properties of crystals by single-beam Z-scan with the pulse duration of 5.3 ns. The scheme has been successfully applied to study the nonlinear refractive index of a polycrystalline ZnSe window. The experimental setup and data analysis are described in detail. The measured value of the nonlinear refractive index n2 was (1.01 ± 0.09) × 10–11 esu. The developed experimental setup can be used to study the nonlinear optical characteristics of new nonlinear crystals.
期刊介绍：
Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.
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