| 发明名称 | Optical transmission medium and optical amplifier | ||
| 摘要 | An optical transmission medium includes: a plurality of cores; a first cladding that covers each of the plurality of cores; a second cladding that covers a plurality of first claddings; and a reflection layer that covers the second cladding and has reflection characteristics with respect to a wavelength band of multimode light. | ||
| 申请公布号 | US9250385(B1) | 申请公布日期 | 2016.02.02 |
| 申请号 | US201514746010 | 申请日期 | 2015.06.22 |
| 申请人 | FUJITSU LIMITED | 发明人 | Onaka Miki |
| 分类号 | G02B6/02;H01S3/30;G02B6/036 | 主分类号 | G02B6/02 |
| 代理机构 | Staas & Halsey LLP | 代理人 | Staas & Halsey LLP |
| 主权项 | 1. A multimode optical transmission medium, comprising: a plurality of cores; a first cladding that covers each of the plurality of cores; a second cladding that covers a plurality of first claddings; and a reflection layer that covers the second cladding and has reflection characteristics with respect to a wavelength band of multimode light, the reflection layer being a metal film of one of Invar alloy or Kovar alloy. | ||
| 地址 | Kawasaki JP | ||