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Polarized absorption and linear dichroism spectra of chromium and manganese doped gallogermanate (Ca_{3}Ga_{2}Ge_{4}O_{14}) crystals were measured and analyzed. Electronic transitions were identified and crystal field parameters have been determined. The value of linear dichroism obtained at the wavelength of 633 nm was compared with polarimetric measuring data for chromium doped Ca_{3}Ga_{2}Ge_{4}O_{14}...
Validation of a modified four-parameter model describing temperature effect on liquid crystal refractive indices is being reported in the present article. This model is based upon the Vuks equation. Experimental data of ordinary and extraordinary refractive indices for two liquid crystal samples MLC-9200-000 and MLC-6608 are used to validate the above-mentioned theoretical model. Using these experimental...
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