申请日期 | 2025-06-30 | 申请号 | EP01129318 |
公开(公告)号 | EP1220385A3 | 公开(公告)日 | 2005-06-08 |
公开国别 | EP | 申请人省市代码 | 全国 |
申请人 | FUJITSU LIMITED | ||
简介 | A rare earth element doped fiber forming an optical amplifier is pumped with a plurality of pumping lights to prevent drop of the inversion population ratio in the length direction of the rare earth element doped fiber. |
您还没有登录,请登录后查看下载地址
|