FIELD: chemistry.
SUBSTANCE: phosphate laser glass contains P2O5, AlO3, B2O3, SiO2, K2O, Na2O, CaO, SrO, BaO, CeO2 and Nd2O2, with the following ratio of components: (in wt %) P2O5 60-66, Al2O3 4-8.5, B2O3 0.2-3, SiO2 0.5-3, K2O 4.5-11.5, Na2O 0.5-3.5, CaO 0.1-3, SrO 2-17, BaO 0.8-12, CeO2 0.1-1, Na2O3 0.5-5, wherein the ratio of the number of oxygen atoms to phosphorus atoms is in the range of 3-3.1.
EFFECT: technologically effective phosphate laser glass with high heat-resistance, improved crystallisation capacity and a low nonlinear refraction index while preserving key parameters.
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