Multiple stimulated Raman scattering (SRS) and cascaded nonlinear χ(3) ↔ χ(2) generation in tetragonal non-centrosymmetric Li2B4O7 crystal were observed under picosecond Nd3+:Y3Al5O12 laser excitation. All registered Stokes and anti-Stokes lasing components in the visible and near-IR were identified and attributed to the SRS-promoting vibration modes of the studied crystal. We classify the Li2B4O7 crystals as a promising media for up- and down-Raman laser-frequency converters. In the work a brief review of nonlinear-laser properties of SRS-active borate crystals is given.
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Каминский et al. (2006) studied this question.
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