| 发明名称 | Multicore fiber | ||
| 摘要 | A multicore fiber includes a plurality of core elements; and a clad surrounding an outer periphery surface of each of the core elements, and each of the core elements includes a core, a first clad surrounding the outer periphery surface of the core and a second clad surrounding an outer periphery surface of the first clad, and when a refractive index of the core is n1, a refractive index of the first clad is n2, a refractive index of the second clad is n3 and a refractive index of the clad is n4, all of n1>n2>n3, n1>n4 and n3<n4 are satisfied. | ||
| 申请公布号 | US8971685(B2) | 申请公布日期 | 2015.03.03 |
| 申请号 | US201313875851 | 申请日期 | 2013.05.02 |
| 申请人 | Fujikura Ltd.;National University Corporation Hokkaido University | 发明人 | Matsuo Shoichiro;Takenaga Katsuhiro;Saitoh Kunimasa;Koshiba Masanori |
| 分类号 | G02B6/02;G02B6/036 | 主分类号 | G02B6/02 |
| 代理机构 | Westerman, Hattori, Daniels & Adrian, LLP | 代理人 | Westerman, Hattori, Daniels & Adrian, LLP |
| 主权项 | 1. A multicore fiber comprising: a plurality of core elements; and a clad surrounding an outer periphery surface of each of the core elements, wherein each of the core elements comprises a core, a first clad surrounding the outer periphery surface of the core and a second clad surrounding an outer periphery surface of the first clad, and when a refractive index of the core is n1, a refractive index of the first clad is n2, a refractive index of the second clad is n3 and a refractive index of the clad is n4, all of n1 >n2 >n3, n1 >n4, n3 <n4 and n2 >n4 are satisfied. | ||
| 地址 | Tokyo JP | ||