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Proceedings Paper

Full-field speckle correlometry of non-stationary systems with temperature-dependent scatter dynamics
Author(s): D. A. Zimnyakov; A. A. Isaeva; E. A. Isaeva; L. V. Samoilov
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Paper Abstract

The experimental results of speckle-correlometric analysis of such temperature-governed processes as the sol-gel transition and the foam aging are presented. Analysis of the temperature dependencies of speckle correlation time for solgel systems with embedded scatterers allows the estimation of gelation activation energy. The effect of increase in the speckle correlation time at later stages of the foam structure evolution is presumably caused by the increasing role of local avalanche-like processes in the structure formation.

Paper Details

Date Published: 29 November 2016
PDF: 6 pages
Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 100351L (29 November 2016); doi: 10.1117/12.2248905
Show Author Affiliations
D. A. Zimnyakov, Saratov State Technical Univ. (Russian Federation)
A. A. Isaeva, Saratov State Technical Univ. (Russian Federation)
E. A. Isaeva, Saratov State Technical Univ. (Russian Federation)
L. V. Samoilov, Saratov State Technical 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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