公开(公告)号：US20180299615A1

公开(公告)日：2018-10-18

申请号：US15766837

申请日：2016-10-21

Applicant: FIBERHOME TELECOMMUNICATION TECHNOLOGIES CO., LTD

Inventor： Qi MO ,  Lijie HUANG ,  Huang YU ,  Cheng LIU ,  Wen CHEN ,  Zhiqiang YU ,  Dongxiang WANG ,  Bingfeng CAI ,  Liming CHEN ,  Huiping SHI

IPC: G02B6/036 ,  G02B6/02 ,  G02B1/04

CPC classification number: G02B6/0365 ,  G02B1/046 ,  G02B1/048 ,  G02B6/02395 ,  G02B6/036

Abstract: The present invention relates to the field of single-mode optical fibers and discloses a bending-insensitive, radiation-resistant single-mode optical fiber, sequentially including from inside to outside: a core, inner claddings, and an outer cladding, all made from a quartz material. The inner claddings comprise, from inside to outside, a first fluorine-doped inner cladding and a second fluorine-doped inner cladding. The core and the first fluorine-doped inner cladding are not doped with germanium. The respective concentrations of other metal impurities and phosphorus are less than 0.1 ppm. By mass percent, the core has a fluorine dopant content of 0-0.45% and a chlorine content of 0.01-0.10%; the first fluorine-doped inner cladding has a fluorine concentration of 1.00-1.55%; and the second fluorine-doped inner cladding has a fluorine concentration of 3.03-5.00%.

公开(公告)号：US20160181758A1

公开(公告)日：2016-06-23

申请号：US14909441

申请日：2014-08-21

Applicant: FIBERHOME TELECOMMUNICATION TECHNOLOGIES CO., LTD.

Inventor： Cheng DU ,  Wei CHEN ,  Shiyu LI ,  Yili KE ,  Qi MO ,  Tao ZHANG ,  Wenyong LUO ,  Kun DU ,  Rong DAN

IPC: H01S3/094 ,  C03B37/027 ,  C03B37/012 ,  H01S3/067 ,  C03B37/025

CPC classification number: H01S3/094019 ,  C03B37/01205 ,  C03B37/01228 ,  C03B37/0253 ,  C03B37/027 ,  C03B2201/34 ,  C03B2203/02 ,  C03B2203/10 ,  C03B2203/32 ,  C03B2203/40 ,  C03B2205/40 ,  H01S3/06729 ,  H01S3/06737 ,  H01S3/094053

Abstract: Provided are a high-efficiency parallel-beam laser optical fiber drawing method and optical fiber, the method including the steps of: S1: providing base planes on the side surfaces of both a gain optical fiber preform and a pump optical fiber preform, inwardly processing the base plane of the gain optical fiber preform to make a plurality of ribs protrude, and inwardly providing a plurality of grooves on the base plane of the pump optical fiber preform; S2: embedding the ribs into the grooves, tapering and fixing one end of the combination of the ribs and the grooves to form a parallel-beam laser optical fiber preform; S3: drawing the parallel-beam laser optical fiber preform into parallel-beam laser optical fibers. The process has high repeatability, and the obtained parallel-beam laser achieves peelability of pump optical fibers in a set area, thus facilitating multi-point pump light injection of parallel-beam laser optical fibers.

Abstract translation: 提供了一种高效平行光束激光光纤拉丝方法和光纤，该方法包括以下步骤：S1：在增益光纤预制棒和泵浦光纤预制棒的侧面上设置底面，向内加工 增益光纤预制棒的基面使多个肋突出，并在泵光纤预制棒的基面上向内提供多个凹槽; S2：将肋嵌入凹槽中，锥形并固定肋和凹槽的组合的一端以形成平行光束激光光纤预制件; S3：将平行光束激光光纤预制件绘制成平行光束激光光纤。 该方法具有高重复性，所得到的平行光束激光器在设定区域实现了泵浦光纤的可剥离性，从而促进了平行光束激光光纤的多点泵浦光注入。