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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Original Russian Text © V.M. Gordienko, P.M. Mikheev, V.S. Syrtsov, 2007, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2007, Vol. 71, No. 1, pp. 127–130.
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Gordienko, V.M., Mikheev, P.M. & Syrtsov, V.S. Nonlinear rotation of the polarization of the intense femtosecond laser radiation in BaF2 . Bull. Russ. Acad. Sci. Phys. 71, 122–125 (2007). https://doi.org/10.3103/S1062873807010315
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DOI: https://doi.org/10.3103/S1062873807010315