| 发明名称 |
Active optical fibre doped with rare earth elements |
| 摘要 |
An active optical fibre (20) having: a silica glass cladding (4), and a glass core (2), doped with a rare -earth, comprising a quantity of SiO2 of at least 50% in weight, and a quantity of an oxide XO not exceeding 40% in weight, wherein the element X is selected from the group comprising Ca, Sr, Ba and Zn. <IMAGE> |
| 申请公布号 |
EP1139518(A1) |
申请公布日期 |
2001.10.04 |
| 申请号 |
EP20000201172 |
申请日期 |
2000.03.30 |
| 申请人 |
OPTICAL TECHNOLOGIES ITALIA S.P.A. |
发明人 |
BAGNASCO, MARA;BODEI, GIORGIO;TAGLIA, ANTONIO;NEGRISOLO, FRANCESCO |
| 分类号 |
C03C13/04;H01S3/067;H01S3/16 |
主分类号 |
C03C13/04 |
| 代理机构 |
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代理人 |
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| 地址 |
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