Abstract

A numerical maximization of the intensity of the generated radiation of second harmonic–sum frequency from a thin spherical layer is carried out. It is found that, for all the considered anisotropy types and any size of the spherical layer, the maximum of the intensity is observed at the same parameters of the problem, and an increase in the particle size leads to an increase in generated spatial power density. It is shown that, for large particle sizes, the intensity of the generated radiation is proportional to the fourth power of the particle radius. The distribution law of the generated power density is found analytically for one of the anisotropy types in the case of codirectional incidence of waves on a spherical particle of small radius.

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