Heavy metal fluoride glass containing indium trifluoride

Details Heavy metal fluoride glass containing indium trifluoride Heavy metal fluoride glass containing indium trifluoride

1995-10-17

1997-05-20

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 37, C03C 332, C03C 1304

Patent

active

056311940

ABSTRACT:
A heavy metal fluoride glass composition for an optical fiber in mole percent, about: 20 to 40% InF.sub.3, 20 to 0% GaF.sub.3, 2 to 10% PbF.sub.2, 0 to 25% ZnF.sub.2, 0 to 25% CdF.sub.2,10 to 25% BaF.sub.2, 0 to 6% NaCl, 0 to 6% NaF, 0 to 7% SrF.sub.2 and 0 to 5% CaF.sub.2 ; the total of InF.sub.3 and GaF.sub.3 being about 40%; the total of BaF.sub.2, SrF.sub.2 and CaF.sub.2 being about 25%; the total of ZnF.sub.2 and CdF.sub.2 being about 25%, and the total of NaCl and NaF being about 6%; said composition being further doped with a lanthanide series heavy metal fluoride in amount up to about 1%.

REFERENCES:
patent: 4749666 (1988-06-01), Lucas et al.
patent: 5309452 (1994-05-01), Ohishi et al.
patent: 5480845 (1996-01-01), Maze et al.

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