公开(公告)号：US20160002105A1

公开(公告)日：2016-01-07

申请号：US14791624

申请日：2015-07-06

Applicant: FUJIKURA LTD.

Inventor： Hiroki HAMAGUCHI

IPC: C03C25/60 ,  G01M11/00 ,  G02B6/02

CPC classification number: C03C25/607 ,  C03B37/01 ,  C03B2201/22 ,  C03C13/047 ,  C03C25/106 ,  C03C2201/22 ,  C03C2203/54 ,  G02B6/02 ,  Y02P40/57

Abstract: A method of processing an optical fiber of the invention includes: a determination step of determining at least an ambient temperature of conditions of a diffusion treatment that causing an optical fiber to be subjected to an non-oxygen bridging atmosphere; an exposure step of exposing the optical fiber to a gas including an oxygen bridging element that is capable of processing the Non-Bridging Oxygen Hole Centers by being bonded to a non-bridging oxygen in the optical fiber, and causing the oxygen bridging element to infiltrate into the optical fiber; and a diffusion step of subsequently causing the optical fiber to be subjected to the non-oxygen bridging atmosphere in the exposure ambient temperature which is determined by the determination step and at which the optical fiber is subjected to the non-oxygen bridging atmosphere, and thereby diffusing the oxygen bridging element into the optical fiber.

Abstract translation: 一种处理本发明的光纤的方法包括：确定步骤，确定使光纤经受非氧桥接气氛的扩散处理的条件的至少环境温度; 曝光步骤，将光纤暴露于包括氧桥接元件的气体，所述氧桥接元件能够通过与所述光纤中的非桥接氧键合而将所述非桥接氧中心加工，并且使所述氧桥接元件渗透 进入光纤; 以及扩散步骤，随后在由确定步骤确定并且光纤经受非氧桥接气氛的曝光环境温度下使光纤经受非氧桥接气氛，由此 将氧桥接元件扩散到光纤中。

公开(公告)号：US20160161673A1

公开(公告)日：2016-06-09

申请号：US15019416

申请日：2016-02-09

Applicant: FUJIKURA LTD.

Inventor： Hiroki HAMAGUCHI ,  Nobuo KUWAKI

IPC: G02B6/255 ,  G06T7/00 ,  G02B6/02

CPC classification number: G02B6/2555 ,  G02B6/02042 ,  G02B6/2553 ,  G02B6/4221 ,  G06T7/0004

Abstract: An optical fiber alignment device includes an image-capturing device capturing images of end surfaces of two optical fibers; an image-analyzing device obtaining position coordinates of two or more cores in the end surfaces from the image captured by the image-capturing device for each of the two optical fibers; a calculation device substituting the position coordinates of the cores obtained for each of the optical fibers in a theoretical equation that represents a total sum of axial deviation losses at the time of splicing the cores to each other, the calculation device obtaining a positional relationship between the end surfaces of the optical fibers from the theoretical equation such that the total sum of the axial deviation losses becomes a minimum; and a driving device arranging the optical fibers such that the end surfaces of the optical fibers satisfy the positional relationship obtained by the calculation device.

Abstract translation: 光纤对准装置包括拍摄两根光纤的端面的图像的图像拍摄装置; 图像分析装置，从所述图像拍摄装置针对所述两个光纤中的每一个所拍摄的图像获得所述端面中的两个以上的芯的位置坐标; 计算装置，在将芯体拼接时的轴偏差损失的总和的理论式代替在各光纤中获得的芯的位置坐标，计算装置获得 从理论方程的光纤的端面，使得轴向偏差损耗的总和变得最小; 以及布置光纤的驱动装置，使得光纤的端面满足由计算装置获得的位置关系。

公开(公告)号：US20150203326A1

公开(公告)日：2015-07-23

申请号：US14600669

申请日：2015-01-20

Applicant: FUJIKURA LTD.

Inventor： Hiroki HAMAGUCHI ,  Shunichirou HIRAFUNE

IPC: B65H75/44

CPC classification number: B65H75/14 ,  B65H75/28 ,  B65H2701/32 ,  G02B6/4457

Abstract: An optical fiber winding reel of the invention includes: a cylindrical main winding body; main flanges provided at both respective ends of the main winding body in an axis direction thereof; and an auxiliary winding body provided outside at least one of the main flanges, wherein a slit that extends toward a central axis line of a reel is formed at part in a circumferential direction of the main flange at which the auxiliary winding body is provided, and both side portions of a position of the main flange at which the slit is formed are a low rigidity region, the low rigidity region has a rigidity locally lower than that of the other portions in a direction orthogonal to a plate surface of the main flange.

Abstract translation: 本发明的光纤绕线卷轴包括：圆筒形主绕组体; 主凸缘设置在主绕组主体的两端的轴向上; 以及辅助卷绕体，其设置在至少一个所述主凸缘的外侧，其中，在设置有所述辅助卷绕体的所述主凸缘的圆周方向上的一部分形成有朝向卷轴的中心轴线延伸的狭缝， 形成狭缝的主法兰的位置的两侧部都是低刚性区域，低刚性区域在与主凸缘的板面正交的方向上的刚度比其它部分的刚度局部地低。