| Method and apparatus for optical delivery fiber having cladding with absorbing regions | |
| MINELLY, JOHN D.; HENRIE, JASON D. | |
| 2010-11-16 | |
| 著作权人 | LOCKHEED MARTIN CORPORATION |
| 专利号 | US7835608 |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Method and apparatus for optical delivery fiber having cladding with absorbing regions |
| 英文摘要 | Apparatus and method for distributed absorption of pump light over a length of delivery fiber that is, for example in some embodiments, fusion spliced to an end of a multiply clad gain fiber that has significant unused pump light at the end of the gain fiber. In some embodiments, this includes coupling a fiber amplifier to a passive-core delivery fiber that includes a distributed pump dump. In some embodiments, at an output end of the amplifying fiber there is still a significant amount of pump power. If all this pump power is dumped in one small place (e.g., at a splice between the amplifying fiber and a passive delivery fiber) a hot spot will result, leading to unreliable devices that fail (have catastrophic changes in operating performance). The present invention provides a distributed pump dump built into a delivery fiber that is passive to the signal in its core. |
| 公开日期 | 2010-11-16 |
| 申请日期 | 2007-03-20 |
| 状态 | 授权 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/37305]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | LOCKHEED MARTIN CORPORATION |
| 推荐引用方式 GB/T 7714 | MINELLY, JOHN D.,HENRIE, JASON D.. Method and apparatus for optical delivery fiber having cladding with absorbing regions. US7835608. 2010-11-16. |
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