Cascaded second-harmonic generation, summation of the wave vectors of the bulk defect-deformation waves, and generation of multimode micro- and nanostructures by laser irradiation of solidsстатья
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Аннотация:We consider for the érst time three-wave
interactions of bulk quasi-static defect-deformation (DD)
waves (generation of the second DD harmonic and summation
of the wave vectors), similar to three-wave interactions in
nonlinear optics and acoustics, leading to cascaded broad-
ening of the spectrum of spatial DD harmonics. Based on the
theory developed, we interpret the recently observed effect of
laser-induced generation of the bulk periodic structure of
silver nanoparticles with a discrete spatial spectrum, extend-
ing from micro- to nanometres.
DOI:10.1070/QE2011v041n02ABEH014468