Phosphate glass useful in lasers
AssigneeSchott Glass Technologies, Inc.
InventorJoseph S. Hayden
Life of this patent
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Abstract
A glass consisting essentially of (on an oxide composition basis): ______________________________________ Mole % ______________________________________ P.sub.2 O.sub.5 50-70 Al.sub.2 O.sub.3 4-13 Na.sub.2 O 10-35 La.sub.2 O.sub.3 0-6 Ln.sub.2 O.sub.3 >0-6 Sum R'O 0-20 (R' = Mg, Ca, Sr, Ba, Zn and Pb) Sum R.sub.2 O 0-18 (R = Li, K, Rb, Cs) ______________________________________ wherein Ln.sub.2 O.sub.3 represents the sum of the oxides of active lasing lanthanides of atomic number 58-71.
Claims9
A glass consisting essentially of:
- ______________________________________ Mole % ______________________________________ P.sub.2 O.sub.5 50-70 Al.sub.2 O.sub.3 4-7 Na.sub.2 O 10-35 La.sub.2 O.sub.3 0.1 Ln.sub.2 O.sub.3 >0-1.5 Sum R'O 0-20 (R' = Ca, Sr, Ba, Zn and Pb) Sum R.sub.2 O 0-18 (R = K, Rb and Cs) ______________________________________
- wherein
- Ln.sub.2 O.sub.3 represents the sum of the oxides of active lasing lanthanides of atomic number 58-71, the amount of MgO is 0, and the amount of Li.sub.2 O is 0.
A glass consisting essentially of:
- ______________________________________ Wt. % ______________________________________ P.sub.2 O.sub.5 69.28 Na.sub.2 O 11.93 Al.sub.2 O.sub.3 10.78 La.sub.2 O.sub.3 5.96 Nd.sub.2 O.sub.3 2.05, ______________________________________
- wherein
- the MgO content is 0, and
- the Li.sub.2 O content is 0.
A glass consisting essentially of (on an oxide composition basis):
- ______________________________________ Mole % ______________________________________ P.sub.2 O.sub.5 50-70 Al.sub.2 O.sub.3 12-13 Na.sub.2 O 10-35 La.sub.2 O.sub.3 [0-6] 0.1-6 Ln.sub.2 O.sub.3 [>0-6] >0-1.5 Sum R'O 0-20 (R' = [Mg,] Ca, Sr, Ba, Zn and Pb) Sum R.sub.2 O 0-18 (R = [Li,] K, Rb and Cs) ______________________________________
- wherein
- Ln.sub.2 O.sub.3 represents the sum of the oxides of active lasing lanthanides of atomic number 58-71,
- the MgO content is 0, and
- the Li.sub.2 O content is 0.
Dependencies are inferred from the claim text.