Stimulated light scattering in synthetic opal filled with dielectrics

We have studied characteristics of stimulated light scattering in synthetic opal crystals made up of silica spheres. This type of light scattering results from interaction between pulsed laser radiation and dielectric nanoparticles, such as silica (SiO 2 ) spheres in the structure of synthetic opal....

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Bibliographic Details
Published in:Inorganic materials 2014-12, Vol.50 (12), p.1217-1221
Main Authors: Gorelik, V. S., Kudryavtseva, A. D., Tareeva, M. V., Tcherniega, N. V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Crystals
Dielectrics
Fluid flow
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Light scattering
Materials Science
Nanoparticles
Porosity
Pulsed lasers
Silicon dioxide
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Summary:We have studied characteristics of stimulated light scattering in synthetic opal crystals made up of silica spheres. This type of light scattering results from interaction between pulsed laser radiation and dielectric nanoparticles, such as silica (SiO 2 ) spheres in the structure of synthetic opal. The Stokes shift in the scattered radiation spectrum was 0.4–1.0 cm −1 . The Stokes shift was determined as a function of scattering geometry, sphere diameter, sample temperature, and the type of dielectric in the opal pores. The results are of interest for assessing the size of nanoparticles in spatially ordered inorganic structures.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168514120073