申请日期 | 2025-07-10 | 申请号 | US11056870 |
公开(公告)号 | US20050271347A1 | 公开(公告)日 | 2005-12-08 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | KIMBALL RONALD L; KNOWLTON ROBERT A; MCCARTHY JOSEPH E; WANG JI; WALTON DONNELL T; ZENTENO LUIS A | ||
简介 | According to one example of the invention an optical fiber comprises : (i) silica based, rare earth doped core having a first index of refraction n1; (ii) at least one silica based cladding surrounding the core and having a second index of refraction n2, such that n1>n2; wherein at least one of the core or cladding is doped with Al2O3, such that the ratio of max wt % to min wt % of Al2O3 concentration is less than 2 : 1 |
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