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✦   LIBER   ✦

Molecular dynamics simulation study of nonlinear optical response of fluids

✍ Scribed by Lynn C. Geiger; Branka M. Ladanyi

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
649 KB
Volume
159
Category
Article
ISSN
0009-2614

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✦ Synopsis

We present a molecular theory and molecular dynamics simulation of the transient nonlinear optical response measured in impulsive stimulated light scattering (ISS) and optical Kerr effect (OKE) experiments. The dipole-induced-dipole model is used to calculate the interaction-induced polarizability and ISS and OKE dynamic response functions of liquid CSI and compressed supercritical COr. We find that rotational relaxation dominates the long-time response and that "collision-induced" polarixability dynamics influences strongly the subpicosecond response of both fluids. These "collision-induced" effects are emphasized in the ISS signal, where they account for most of the peak intensity in the case of the hiiy polarizable CSI,

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