Quantitative determination of photorefraction in Mg doped congruent and stoichiometric LiNbO3

Laszlo Palfalvi; Gabor Almasi; Agnes Peter; Katalin Polgar; Janos Hebling

doi:10.1117/12.530065

19 November 2003 Quantitative determination of photorefraction in Mg doped congruent and stoichiometric LiNbO₃

Laszlo Palfalvi, Gabor Almasi, Agnes Peter, Katalin Polgar, Janos Hebling

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.530065
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

Possibility of quantitative determination of photorefraction in Mg doped LiNbO₃ (LN:Mg) by the Z-scan method at the GW/m² intensity level is demonstrated. For the first time, twenty times smaller damage sensitivity (n*_e) is measured for stoichiometric LN:Mg than for congruent one. In the case of congruent and stoichiometric LN:Mg crystals n*_e = -1.2•10^-13 m²/W and .n*_e = 6.6•10^-15 m²/W, and for the nonlinear absorption coefficients β = 2.1•10³ cm/GW and β = 1.7•10³ cm/GW respectively, are measured.

Citation Download Citation

Laszlo Palfalvi, Gabor Almasi, Agnes Peter, Katalin Polgar, and Janos Hebling "Quantitative determination of photorefraction in Mg doped congruent and stoichiometric LiNbO₃", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.530065

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