Lines of various forms of stimulated scattering have been revealed in the scattering spectrum excited by pulsed second-harmonic radiation of a YAG:Nd3+ laser in an initially homogeneous aqueous colloidal solution (suspension) of polystyrene nanoballs. Dynamic light scattering measurements have shown that the laser-stimulated coagulation of some nanoballs with the formation of particles with an order-of-magnitude larger size occurs in the solution. An explanation of this phenomenon has been proposed.
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This work was supported in part by the Russian Foundation for Basic Research (project nos. 18-52-16016, 19-02-00013, and 20-02-00172).
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Davydov, M.A., Fedorov, A.N., Chaikov, L.L. et al. Features of Stimulated Scattering in a Colloidal Solution with Physicochemical Properties Changed under Laser Irradiation. Jetp Lett. 113, 423–427 (2021). https://doi.org/10.1134/S0021364021070055
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DOI: https://doi.org/10.1134/S0021364021070055