公开(公告)号：US20120195563A1

公开(公告)日：2012-08-02

申请号：US13403539

申请日：2012-02-23

申请人： Katsuhiro Takenaga ,  Ning Guan ,  Syouji Tanigawa

发明人： Katsuhiro Takenaga ,  Ning Guan ,  Syouji Tanigawa

IPC分类号： G02B6/02

CPC分类号： G02B6/02042

摘要： The multicore fiber comprises 7 or more cores, wherein diameters of the adjacent cores differ from one another, wherein each of the cores performs single-mode propagation, wherein a relative refractive index difference of each of the cores is less than 1.4%, wherein a distance between the adjacent cores is less than 50 μm, wherein, in a case where a transmission wavelength of each of the cores is λ, the distance between the adjacent cores is , a mode field diameter of each of the cores is MFD, and a theoretical cutoff wavelength of each of the cores is λc, (/MFD)·(2λc/(λc+λ))≧3.95 is satisfied, and wherein a distance between the outer circumference of the coreand an outer circumference of the clad is 2.5 or higher times as long as the mode field diameter of each of the cores.

摘要翻译： 多核纤维包括7个或更多个芯，其中相邻芯的直径彼此不同，其中每个芯执行单模传播，其中每个芯的相对折射率差小于1.4％，其中 相邻芯之间的距离小于50μm，其中，在每个芯的透射波长为λ的情况下，相邻芯之间的距离为每个芯的模场直径为MFD，并且 每个芯的理论截止波长为λc，（/MFD）·（2λc/（λc+λ））≥3.95满足，并且其中芯的外周与包层的外周之间的距离为2.5或 只要每个芯的模场直径就更高。

公开(公告)号：US08285094B2

公开(公告)日：2012-10-09

申请号：US13403539

申请日：2012-02-23

申请人： Katsuhiro Takenaga ,  Ning Guan ,  Syouji Tanigawa

发明人： Katsuhiro Takenaga ,  Ning Guan ,  Syouji Tanigawa

IPC分类号： G02B6/44

CPC分类号： G02B6/02042

摘要： The multicore fiber comprises 7 or more cores, wherein diameters of the adjacent cores differ from one another, wherein each of the cores performs single-mode propagation, wherein a relative refractive index difference of each of the cores is less than 1.4%, wherein a distance between the adjacent cores is less than 50 μm, wherein, in a case where a transmission wavelength of each of the cores is λ, the distance between the adjacent cores is , a mode field diameter of each of the cores is MFD, and a theoretical cutoff wavelength of each of the cores is λc, (/MFD)·(2λc/(λc+λ))≧3.95 is satisfied, and wherein a distance between the outer circumference of the coreand an outer circumference of the clad is 2.5 or higher times as long as the mode field diameter of each of the cores.

摘要翻译： 多芯纤维包括7个或更多个芯，其中相邻芯的直径彼此不同，其中每个芯执行单模传播，其中每个芯的相对折射率差小于1.4％，其中 相邻芯之间的距离小于50μm，其中，在每个芯的透射波长为λ的情况下，相邻芯之间的距离为每个芯的模场直径为MFD，并且 每个芯的理论截止波长为λc，（/MFD）·（2λc/（λc+λ））≥3.95满足，并且其中芯的外周与包层的外周之间的距离为2.5或 只要每个芯的模场直径就更长。