Calculation of the components of the photoelastic effect in alkali-halide crystals |
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Authors: | A V Pakhnev M P Shaskol'skaya S S Gorbach |
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Institution: | (1) Moscow Institute of Steel and Alloys, USSR |
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Abstract: | Calculations are made to determine the contribution of Lorentz-field and Coulomb-field anisotropy in alkali-halide crystals to the photoelastic coefficients p11–p12 and p44 as well as to the piezopolarizability constants K, K , Kx, Kz, and K0. These calculations are based on Mueller's theory of the photoelastic effect, with data on iron polarizability and photoelastic coefficients. The applicability of Mueller' s theory to the complete series of alkali-halide crystals is analyzed. Criteria are established for the ionicity of bonds in these crystals.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 28–34, December, 1975. |
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