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Proceedings Paper

Quantitative determination of photorefraction in Mg doped congruent and stoichiometric LiNbO3
Author(s): Laszlo Palfalvi; Gabor Almasi; Agnes Peter; Katalin Polgar; Janos Hebling
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Paper 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.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.530065
Show Author Affiliations
Laszlo Palfalvi, Univ. of Pecs (Hungary)
Gabor Almasi, Univ. of Pecs (Hungary)
Agnes Peter, Research Institute for Solid State Physics and Optics (Hungary)
Katalin Polgar, Research Institute for Solid State Physics and Optics (Hungary)
Janos Hebling, Univ. of Pecs (Hungary)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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