Application of the Polarization Diagram Method to Studies of Uniaxial Crystals
The method of luminescence polarization diagrams was extended to biréfringent (uniaxial) crystals. Formulas were derived for polarization diagrams applicable to different orientations of radiators. A study was made of the influence of absorption (including dichroism) and of various depolarizing factors. The general form of a dipole radiator was considered on the assumption that it consisted of a linear electric dipole and and a rotator sharing the axis with the dipole. This model was checked against the results of an investigation of the blue luminescence centers in zinc sulfide. Differences were found between the statistical weights of radiators oriented at different angles with respect to the stacking fault plane.
KeywordsPolarization Diagram Zinc Sulfide Luminescence Center Energy Migration Electric Vector
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