Geodesic
All-optical beams control in defocusing photorefractive crystals
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 149 (2007) no. 1, pp. 51-57 Cet article a éte moissonné depuis la source Math-Net.Ru

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We first consider nonlinear reflection of a weak tilted optical wave from a power laser beam in defocusing photorefractive crystals like LiNbO$_{3}$. The theoretical model is developed. Media and beams parameters yielded reflection in the case of pump beam defocusing are found. Theoretical results are confirmed by numerical simulation. 
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I. V. Kabakova; A. P. Sukhorukov. All-optical beams control in defocusing photorefractive crystals. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 149 (2007) no. 1, pp. 51-57. http://geodesic.mathdoc.fr/item/UZKU_2007_149_1_a7/

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