Investigation of nonlinear refraction and absorption in Mg- and Zr-doped LiNbO3 with the aid of Z-scan techniques

S. M. Kostritskii; M. Aillerie; E. Kokanyan

doi:10.1117/12.2051620

28 November 2013 Investigation of nonlinear refraction and absorption in Mg- and Zr-doped LiNbO₃ with the aid of Z-scan techniques

S. M. Kostritskii, M. Aillerie, E. Kokanyan

Author Affiliations +

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.

Citation Download Citation

S. M. Kostritskii, M. Aillerie, and 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); https://doi.org/10.1117/12.2051620

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