Nonlinear rotation of the polarization of the intense femtosecond laser radiation in BaF2 |
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Authors: | V. M. Gordienko P. M. Mikheev V. S. Syrtsov |
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Affiliation: | (1) Moscow State University, Vorob’evy gory, Moscow, 119992, Russia |
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Abstract: | The dependence of the polarization plane rotation angle in the BaF2 crystal on the intensity of the femtosecond laser radiation with 0.62 μm wavelength in the ω = ω + ω ? ω process on cubical nonlinearity χ(3) is investigated. An anomalous increase in the efficiency of the cross-polarized radiation generation at I > 2 × 1012 W cm2 is observed for the first time. The 10% efficiency of the orthogonal component generation at the ~3 × 1012 W cm2 intensity is obtained. |
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