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Fluoride crystals with the colquiriite structure LiCaAlF6 doped with Ce3+ ions are used as active media for lasers of ultraviolet spectral range with advantages of laser wavelength tuning range and no photoinduced degradation of laser properties. In this work we show that the multicenter character of Ce3+ segregation in this matrix agrees with the previously known peculiarities. On the basis of spectral-kinetic...
Optical absorption spectroscopy studies have shown that mixed crystals Ce3+:LiCa0,2Sr0,8AlF6 grown by Bridgeman technique exhibit more than 3 times higher absorption coefficient compared to Ce3+:LiCaAlF6 sample. An important result is based on the fact that this enhancement was achieved for two types of Ce3+ centers in a multisite Ce:LiSr0.8Ca0.2AlF6 system.
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