| 申请日期 | 2025-07-07 | 申请号 | US10755009 |
| 公开（公告）号 | US6978078B2 | 公开（公告）日 | 2005-12-20 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | William A Wood | ||
| 简介 | According to the present invention, a rare earth doped fiber coil comprises a rare earth doped optical fiber having a rare-earth doped core surrounded by a cladding. The outer clad diameter is less than 100 μm. The rare earth doped optical fiber has a length of 10 m to 50 m and is coiled with a bend radius of less than 40 mm. | ||
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