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Proceedings Paper

Light-induced thermodiffusion in two-component liquid
Author(s): V. I. Ivanov; G. D. Ivanova; K. N. Okishev; V. K. Khe
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Paper Abstract

We have theoretically studied the optical transmittance response of thin cell with liquid containing absorbing nanoparticles in a Gaussian beam field. The transmittance spatial changing is caused by thermal diffusion phenomenon (Soret effect) which produces the variations of concentration of absorbing nanoparticles. The thickness of optical cell (including windows) is significantly less than the size of the beam. As a result, an exact analytical expression for the one dimensional thermal task is derived, taking into account the Soret feedback that leads to the temperature rising on the axis of a Gaussian beam. We have experimentally studied this phenomenon in carbon nanosuspension.

Paper Details

Date Published: 29 November 2016
PDF: 4 pages
Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 100354Y (29 November 2016); doi: 10.1117/12.2249457
Show Author Affiliations
V. I. Ivanov, Far Eastern State Transport Univ. (Russian Federation)
G. D. Ivanova, Far Eastern State Transport Univ. (Russian Federation)
K. N. Okishev, Far Eastern State Transport Univ. (Russian Federation)
V. K. Khe, Far Eastern State Transport Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10035:
22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Gennadii G. Matvienko; Oleg A. Romanovskii, Editor(s)

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