Low-Frequency Stimulated Scattering in an Aqueous Suspension of Dielectric Nanospheres
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A low-frequency stimulated scattering (LFSS) signal caused by pulsations of nanospheres under an electromagnetic field is detected in an aqueous suspension of dielectric nanospheres of three diameters (∼74 nm, ∼292 nm, and ∼540 nm) at various particle concentrations. The frequency shifts of the scattering line, calculated based on the developed model, are in good agreement with the measurement results.
Keywordsstimulated scattering acoustic mode frequency shift nanoparticle suspension
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This study was supported in part by the Russian Foundation for Basic Research, projects nos. 18-52-16016 and 19-02-00013.
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