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Transparent oxyfluoride germanosilicate glass-ceramics containing Er:PbF2 nanocrystals is synthesized on the basis of SiO2–GeO2–PbO–PbF2 initial glass doped with Er2O3. The glass-ceramics is characterized by yellow-green luminescence, the intensity of which is ~12-times higher than that for the initial glass. The redistribution of the intensity between green and red emission bands after the glass...
Transparent glass-ceramics of the lithium gallium aluminosilicate system based on cobalt-doped Li(Al, Ga)5O8 spinel nanosized crystals were developed. Their structure and optical properties were evaluated. Passive Q-switching of an Er, Yb:glass laser with 1 mJ/45 ns pulses at ∼1.54 μm is realized.
Transparent glass-ceramics based on Co2+:ZnO nanocrystals are synthesized in cobalt-doped glasses of the K2O-ZnO-Al2O3-SiO2 system. Passive Q-switching of an Er, Yb:glass laser with 0.37 mJ/100 ns pulses at ∼1.54 μm is realized.
We report on synthesis, structure, optical spectroscopy, nonlinear properties and passive Q-switching performance of novel transparent potassium zinc aluminosilicate glass-ceramics containing a mixture of cobalt-doped β-willemite, Co:Zn2SiO4 and zinc oxide, Co:ZnO.
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