| 摘要 |
<p>A heavy metal fluoride glass composition for an optical fiber in mole percent, about: 20 to 40 % InF3, 20 to 0 % GaF3, 2 to 10 % PbF2, 0 to 25 % ZnF2, 0 to 25 % CdF2, 10 to 25 % BaF2, 0 to 6 % NaCl, 0 to 6 % NaF, 0 to 7 % SrF2, and 0 to 5 % CaF2; the total of InF3 and GaF3 being about 40 %; the total of BaF2, SrF2 and CaF2 being about 25 %; the total of ZnF2 and CdF2 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 an amount up to about 1 %.</p> |
