Laser-Pulse Excitation of Coherent Vibrations of Dielectric Nanospheres in an Aqueous Suspension

Excitation of coherent vibrations of different-sized polystyrene nanospheres at their acoustic eigenmodes in aqueous suspensions is observed in the laser pulse field. To substantiate the observed features, a model of interaction of an electromagnetic field with a dielectric in heterogenous media is...

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Bibliographic Details
Published in:Physics of wave phenomena 2019-07, Vol.27 (3), p.187-191
Main Authors: Bunkin, A. F., Davydov, M. A., Pershin, S. M., Suyazov, N. V., Fedorov, A. N.
Format: Article
Language:English
Subjects:
Acoustics
Electromagnetic fields
Excitation
Laser Spectroscopy
Nanospheres
Physics
Physics and Astronomy
Polystyrene resins
Quantum Optics
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Summary:Excitation of coherent vibrations of different-sized polystyrene nanospheres at their acoustic eigenmodes in aqueous suspensions is observed in the laser pulse field. To substantiate the observed features, a model of interaction of an electromagnetic field with a dielectric in heterogenous media is developed which allows eigenmodes of nanospheres in a suspension to be calculated. The estimations are in satisfactory agreement with the experimental data.
ISSN:1541-308X
1934-807X
DOI:10.3103/S1541308X19030038