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13 December 2018 Self-focusing of the radiation in a nanosuspension
V. I. Ivanov, A. V. Myagotin
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Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108331U (2018) https://doi.org/10.1117/12.2504390
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation
Abstract
It was analyzed the self-focusing regime of the Gaussian beam in the nanosuspension with electrostrictive nonlinearity. The theoretical analysis of the light-induced mass transfer in the nanosuspension was carried out for large intensities of the Gaussian beam radiation, when the concentration change is comparable to the primary. The nonlinear lens in this mode is the exponential function of the incident light intensity. It is shown that the critical power value decreases significantly for high intensity beam. The results are relevant to the study of the radiation self-action in the nanosuspension and optical diagnostics of such materials.
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V. I. Ivanov and A. V. Myagotin "Self-focusing of the radiation in a nanosuspension", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108331U (13 December 2018); https://doi.org/10.1117/12.2504390
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KEYWORDS
Refractive index
Nanoparticles
Gaussian beams
Particles
Nonlinear optics
Diffusion
Liquids
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