Raman scattering from an assembly of partially oriented scatterers

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Abstract
In a previous paper (see J. Polym. Sci. (Polymer Physics Edn.), vol.10, p.2135 (1972)) it was shown that it is possible to obtain detailed information about the distribution of orientations of an assembly of Raman scatterers from suitable measurements of the intensity of the scattered radiation. The treatment was given in terms of Raman tensors referred to principal axes. The present paper gives a more general treatment in which tensors are referred to the symmetry axes of the scatterers and in which scattering from degenerate modes is explicitly considered. The distribution of orientations is assumed, as previously, to have three mutually perpendicular two-fold rotation axes and the information that can be obtained for such a distribution, and the measurements required, are discussed in detail for scatterers of all point groups and particular attention is given to helical molecules.

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