Band shapes of the electronic spectra of anisotropic centers in uniaxial crystals recorded in non-polarized light |
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Authors: | Anan'ev Vladimir |
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Institution: | Department of Analytical Chemistry, Kemerovo State University, Krasnaya 6, Kemerovo 650043, Russia. eprlab@kemsu.ru |
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Abstract: | The impurity absorption band shape (in UV or visible region) in a uniaxial crystal recorded in non-polarized light has been found to depend on the technique of recording the optical spectrum and the parameters of each component recorded in polarized light. With the optical density increase in the maximum of the impurity absorption band the number of points of inflection can change from two to four. With the impurity concentration increase one can observe the shift of the impurity absorption band maximum. The impurity absorption band calculated as the difference between a total spectrum and host matrix absorption spectrum has one or two maxima. |
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