Rare earth element-halide environments in oxyhalide glasses

Details Rare earth element-halide environments in oxyhalide glasses Rare earth element-halide environments in oxyhalide glasses

C - Chemistry, Metallurgy

03

C

261/19

C03C 3/11 (2006.01) C03C 3/115 (2006.01) C03C 3/118 (2006.01) C03C 3/23 (2006.01)

Patent

CA 2312702

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.% C1, 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.

Matrice de verre à oxyhalogénure qui contient 0-70 moles % de SiO¿2?, 5-35 moles % de Al¿2?O¿3?, 1-50 moles % de B¿2?O¿3?, 5-35 moles % de R¿2?O, 0-12 % en poids de F, 0-12 % en poids de Cl et 0 à 0,2 % en poids d'un élément des terres rares, R étant Li, Na, K, Rb ou Cs. La présente invention concerne en outre un procédé de production de ladite matrice de verre et un procédé de modification des propriétés spectrales d'un verre à oxyhalogénure.

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