申请日期 | 2025-06-26 | 申请号 | US12511311 |
公开(公告)号 | USRE044288E | 公开(公告)日 | 2013-06-11 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | Ronald L Kimball; Robert A Knowlton; Joseph E McCarthy; Ji Wang; Donnell T Walton; Luis A Zenteno | ||
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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