Abstract
The growth features of trigonal La3Ga5SiO14 and Nd3Ga5SiO14 crystals and their solid solutions from the melt by Czochralski technique are studied. Optimal conditions are found and oriented (La1−xNdx)3 Ga5SiO14 single crystals are grown with 28 mm in diameter and 280 g by weight, of optical quality perfect to carry out excitation experiments on Nd3+ ion stimulated emission as well as investigations of acoustooptic and electromechanical properties of La3Ga5SiO14 crystals. Structural peculiarties and desorderness of La1−xNdx)3Ga5SiO14 crystals are considered. Crystal optics of La3Ga5SiO14 – linear dichroism and dispersion of refractive indexes (by a modified prism method), optical activity, and other optical characteristics are investigated. A comparison is made of some optical properties of La3Ga5SiO14 crystals and crystalline SiO2. [Russian Text Ignored.]
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