28 November 2013 Investigation of nonlinear refraction and absorption in Mg- and Zr-doped LiNbO3 with the aid of Z-scan techniques
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Proceedings Volume 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013; 906508 (2013) https://doi.org/10.1117/12.2051620
Event: Fundamentals of Laser Assisted Micro- and Nanotechnologies 2013, 2013, St. Petersburg, Russian Federation
Abstract
Using open-aperture (OA) and closed-aperture (CA) Z-scan techniques, the nonlinear absorption and refraction in pure, Mg- and Zr-doped congruent LiNbO3 crystals were evaluated with cw-laser beams. The CA Z-scan technique is used for a study of the strong nonlinearities including thermo-optical and photorefractive nonlinearity in LiNbO3 crystals. Theoretical calculations together with the measurements make possible to characterize quantitatively the thermo-optical nonlinearity and to determine the threshold dopant concentration of the photorefractive damage which is very important for nonlinear optical applications.
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S. M. Kostritskii, S. M. Kostritskii, M. Aillerie, M. Aillerie, E. Kokanyan, E. Kokanyan, "Investigation of nonlinear refraction and absorption in Mg- and Zr-doped LiNbO3 with the aid of Z-scan techniques", Proc. SPIE 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013, 906508 (28 November 2013); doi: 10.1117/12.2051620; https://doi.org/10.1117/12.2051620
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