Depolarized Components of Light Scattered by Glasses. III. Scattering from General Strain Systems, with Applications to Neutron-Damaged Vitreous Silica

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Abstract
The influence of elastic strains, such as will arise around regions in a glass that have undergone an arbitrary volume expansion, on the components of scattered light of various polarizations is calculated here. The results show that the effect of strains on the scattered intensities can be experimentally separated from the influence of size and shape of the scattering regions. Data on scattering from neutron-damaged vitreous silica are analyzed. The strain scattering is well described by assigning a reasonable value to an optical parameter that appears in the theory. Examination of that component of scattered light associated with the size and shape of the damaged regions reveals some peculiarities perhaps explicable in terms of a wide separation of damaged regions produced by a single primary recoil atom.

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