| 申请日期 | 2026-03-14 | 申请号 | US11058309 |
| 公开（公告）号 | US7203407B2 | 公开（公告）日 | 2007-04-10 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | George Edward Berkey; Xin Chen; Joohyun Koh; Ming Jun Li; Daniel Aloysius Nolan; Donnell Thaddeus Walton; Ji Wang; Luis Alberto Zenteno | ||
| 简介 | An optical fiber, comprising : (i) a rare earth doped silica based elongated core with a first refractive index (n1) with an aspect ratio of 1 : 5 to 1; (ii) a silica based moat abutting and at least substantially surrounding the core, the moat having a refractive index n2, wherein n2n3; and n3>n2; (iv) a silica based outer cladding surrounding said inner cladding, the outer cladding having a fourth refractive index (n4), such that n4 | ||
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