V. V. Sanina, K. Subbotin, D. Lis, V. Voronov, E. Zharikov
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Spectroscopic Characteristics of Cr:Mg2SiO4 Laser Crystals Grown from Non-Stoichiometric Melts
The series of Cr:Mg2SiO4 laser crystals grown from non-stoichiometric melts has been studied. According to the polarized optical absorption spectra, the content of Cr4+ ions in the crystals increases with increment of MgO excess in the melt, whereas the concentration of parasitic Cr3+ ions passes through a maximum in this series.