Rare earth element-halide environments in oxyhalide glasses
AssigneeCorning Incorporation
InventorsJames E. Dickinson, Adam J. G. Ellison
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Abstract
The present invention relates to an oxyhalide glass matrix including 0-70 mol. % SiO2, 5-35 mol. % Al2O3, 1-50 mol. % B2O3, 5-35 mol. % R2O, 0-12 wt. % F, 0-12 wt. % Cl, and 0 to 0.2 mol. % rare earth element, wherein R is Li, Na, K, Rb, or Cs. The present invention further relates to a method of producing the glass matrix and to a method of modifying the spectral properties of an oxyhalide glass.
Claims9
An oxyhalide host glass for a rare earth element, the glass having a composition consisting essentially of 0-70 mol. % SiO2, 5-35 mol. % Al2O3, 1-50 mol. % B2O3, 5-35 mol. % R2O where R is Li, Na, K, Rb or Cs, and an amount up to 0.2 mol. % rare earth element, and in wt. %, an amount up to 12% of F, Cl or mixtures.
An oxyhalide glass matrix comprising 0-70 mol. % SiO2, 5-35 mol. % Al2O3, 1-50 mol. % B2O3, 5-35 mol. % R2O, an amount up to 12 wt.% F, 0-12 wt. % Cl, and 0 and 0.2 mol. % rare earth element, wherein R is Li, Na, K, Rb or Cs wherein the fluorine is present in Al2F6.
An oxyhalide glass matrix comprising 0-70 mol. % SiO2, 5-35 mol. % Al2O3, 1-50 mol. % B2O3, 5-35 mol. % R2O, 0-12 wt. % F, an amount up to 12 wt. % Cl, and 0 and 0.2 mol. % rare earth element, wherein R is Li, Na, K, Rb or Cs wherein the chlorine is present in Al2Cl6.
Dependencies are inferred from the claim text.