A. F. Bunkin, M. A. Davydov, V. G. Mikhalevich, V. N. Streltsov, A. N. Fedorov, S. M. Pershin
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Dynamic Stimulated Low-Frequency Light Scattering in a Nanodispersed Liquid Medium
For the first time, stimulated dynamic scattering of a light wave in a liquid nanodispersed medium is observed, which is caused by phase modulation of the dipole moment of the suspension nanoparticles subjected to acoustically induced vibrations in the electromagnetic field. Experiments have been carried out in an aqueous suspension of amorphous silicon dioxide SiO2 nanospheres ≈100 and ≈350 nm in diameter under stimulated scattering excited by the second-harmonic radiation of the pulsed single-mode Nd3+:YAG laser. In addition to the first Stokes component of the stimulated Brillouin scattering with the frequency shift Ω typical of a solvent, a scattering line with the frequency shift ≈2Ω is observed in full agreement with the theory developed in the work.
期刊介绍：
Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.
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