Optical glass, are capable of Luminescence RANGE NM 10000-1700, the production process of the glass (Options) and optical fibers

摘要

1. An optical glass having the ability to luminescence in 1000-1700 nm region when excited by radiation having wavelengths in the range 400-900 nm, characterized in that it comprises P2O5 and / or B2O3 as a main glass-forming component and the bismuth in subvalence state as luminescence source. ! 2. Glass according to claim 1, characterized in that the bismuth content is from 0.001% to 50%. ! 3. Glass according to claim 1, characterized in that it further comprises at least one oxide of a monovalent and / or divalent metal and / or rare earth oxide Re2O3, and / or oxides of elements selected from the group consisting of titanium, zirconium, hafnium, niobium, tantalum, tungsten, and thorium. ! 4. Glass according to claim 3, characterized in that the content of oxides of monovalent and / or divalent metals is from 0 to 50%. ! 5. Glass according to claim 3, characterized in that the monovalent metal oxide is selected from the group consisting of Li2O, Na2O, K2O, Rb2O, Cs2O. ! 6. Glass according to claim 3, characterized in that the divalent metal oxide is selected from the group consisting of MgO, CaO, SrO, BaO, ZnO, CdO, PbO. ! 7. Glass according to claim 3, characterized in that the rare earth metal is selected from the group consisting of scandium, yttrium, lanthanum. ! 8. Glass according to claim 3, characterized in that the content of rare earth oxide ranges from 0 to 30%. ! 9. A method for producing optical glass according to claim 1 comprising mixing a glass-forming component and a source of bismuth (III), heating the resulting mixture in air at a rate of about 0,1-2 ° C per minute to a temperature of 400-600 ° C to remove gaseous products getting bismuth subvalence state by reaction sinproportsionirovaniya metal bismuth and bismuth source