Trial-beam scheme for the light lens diagnostics of nanosuspensions

Galina D. Ivanova; Valery I. Ivanov

doi:10.1117/12.2542127

18 December 2019 Trial-beam scheme for the light lens diagnostics of nanosuspensions

Galina D. Ivanova, Valery I. Ivanov

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1120863 (2019) https://doi.org/10.1117/12.2542127
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

We present a new pump-probe laser beams configuration of the thermal lens method for the nonlinear optical diagnostics of nanosuspensions. Trial-beam scheme eliminates the influence of the electrostrictive and light pressure effects and thus provides the more precise determination of thermodiffusion coefficient of nanoparticles. A mathematical model has been introduced to describe the thermo- and mass transfer in a nanofluid in a dual-pump beam field. The results are relevant to the study of the radiation self-action in the nanosuspension and optical diagnostics of such materials.

Citation Download Citation

Galina D. Ivanova and Valery I. Ivanov "Trial-beam scheme for the light lens diagnostics of nanosuspensions", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1120863 (18 December 2019); https://doi.org/10.1117/12.2542127

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