Optical signal amplifier glasses
US5475528A · kind A · utility
66Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 25, 1994 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Mar 25, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/176
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An optical signal amplifier comprising an optical waveguide fiber integrated by thallium ion exchange in a boron-free silicate glass doped with up to 5 weight % erbium oxide, the glass having a base composition, as calculated in weight percent on an oxide basis, consisting essentially of ______________________________________ SiO.sub.2 38-67 Al.sub.2 O.sub.3 1.5-4.5 Na.sub.2 O 0-20 ZnO 1.5-8 K.sub.2 O 0-25 Li.sub.2 O 0-1 Na.sub.2 O + K.sub.2 O 15-30 PbO 0-37 BaO 0-7 P.sub.2 O.sub.5 0-10 P.sub.2 O.sub.5 + PbO 5-37 ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.