| 申请日期 | 2025-07-07 | 申请号 | US11540099 |
| 公开（公告）号 | US7502539B2 | 公开（公告）日 | 2009-03-10 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Stuart Gray; Donnell Thaddeus Walton; Ji Wang; Luis Alberto Zenteno | ||
| 简介 | An optical fiber including : (i) a silica based, Yb doped core having a first index of refraction n1, said core comprising more than 1 wt % of Yb, said core having less than 5 dB/km loss at a wavelength situated between 1150 nm and 1350 nm and less than 20 dB/km loss at the wavelength of 1380 nm and slope efficiency of over 0.8; and (ii) at least one silica based cladding surrounding the core and having a second index of refraction n2, such that n1>n2. | ||
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