申请日期 | 2025-06-28 | 申请号 | US11039041 |
公开(公告)号 | US7139458B2 | 公开(公告)日 | 2006-11-21 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | Joohyun Koh; Christine L Tennent; Donnell T Walton; Ji Wang; Luis A Zenteno | ||
简介 | An optical fiber comprising : (i) a silica based, rare earth doped core having a first index of refraction n1; (ii) a silica based inner cladding surrounding the core having a second index of refraction n2, such that n1>n2; (iii) a silica based outer cladding surrounding the inner cladding having a third index of refraction n3 such that n2>n3, wherein inner cladding diameter is at least 125 μm. |
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