We present a general theoretical method for deriving effective susceptibilities for (non)linear optical scattering processes of arbitrary order using the reciprocity principle. This method allows us to formulate a generalized treatment of nonlinear optical scattering and deduce selection rules independent of the precise mechanism of light-matter interaction. We particularize this approach to second-order sum frequency scattering from an inhomogeneous medium and consider the limiting cases of small particle scattering, refractive index matched (Rayleigh-Gans-Debye) scattering, small refractive index contrast (Wentzel-Kramers-Brillouin) scattering and correlated scattering. We compare the derived expressions to experimental results of sum frequency scattering from monodisperse particles in suspension with varying sizes.

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Persistent URL dx.doi.org/10.1103/physrevb.70.115106
Journal Phys. Rev. B
Citation
Roke, S, Bonn, M, & Petukhov, A.V. (2004). Nonlinear optical scattering: the concept of effective susceptibility. Phys. Rev. B, 70(11, Article number: 115106), 1–10. doi:10.1103/physrevb.70.115106