LIGHT DIFFUSION IN A MEDIUM WITH NANOSCALE HETEROGENEITIES

. , . , . , O. . Andreeva, D. . Temnova, V. . Lesnichiy, V. . Almyashev, S. . Kirillova, S. A. Chivilikhin, I. Y. Popov, V. Gusarov


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Abstract

A method for determining the characteristic size of nanoparticles or other nanoscale heterogeneities is proposed. The method is based on comparing of experimental and theoretical spectral dependences of light attenuation coefficient during the light propagation through heterogeneous medium. One of the possible applications of this method is the analysis of nanoparticle sizes produced in the process of hydrothermal synthesis. The porous glass with known size of pores was chosen as a model of medium.


Keywords: light scattering, diffusion approximation, nanoparticles, hydrothermal synthesis, porous glass
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