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A number of features of stimulated thermal Rayleigh scattering (STRS) in pure liquids and nanoparticle solutions are investigated in this work. It is shown that scattering efficiency is not reduced in the case of wide spectral bandwidth pump radiation. It is shown experimentally that the frequency shift of the scattered signal relative to the pump frequency greatly exceeds the theoretical value. It is also shown theoretically that the frequency shift value does not depend on the linewidth of the pump.

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