Abstract
A new type of stimulated scattering of light (stimulated low-frequency Raman scattering (SLFRS)) is found. SLFRS appears as a result of interaction of laser pulses with acoustic vibrations of structural elements of nanostructured materials. SLFRS is shown to arise in materials with different compositions and different degrees of morphology, both ordered and random. Frequency shifts of SLFRS components are measured. A number of practical applications of the effect are proposed, in particular, biharmonic pumping with the help of SLFRS.
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