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    Apparatus and method for carrying out a plasma deposition process
    12.
    发明授权
    Apparatus and method for carrying out a plasma deposition process 有权
    用于进行等离子体沉积工艺的装置和方法

    公开(公告)号：US09593037B2

    公开(公告)日：2017-03-14

    申请号：US14715726

    申请日：2015-05-19

    Applicant: Draka Comteq B.V.

    Inventor： Igor Milicevic ,  Mattheus Jacobus Nicolaas Van Stralen ,  Johannes Antoon Hartsuiker ,  Gertjan Krabshuis

    IPC: C03B37/018 ,  C23C16/04 ,  C23C16/40 ,  C23C16/511

    CPC classification number: C03B37/0183 ,  C03B37/018 ,  C03B2201/12 ,  C03B2201/31 ,  C23C16/045 ,  C23C16/401 ,  C23C16/511

    Abstract: A method for carrying out a plasma deposition process including the steps of providing a substrate tube, supplying dopant-containing glass-forming gases to the substrate including a main gas flow and one or more secondary gas flows, inducing a plasma in the substrate tube, moving a reaction zone back and forth in strokes between a reversal point near the supply side and a reversal point near the discharge side, and interrupting the secondary gas flow during a portion of each stroke, each interruption having a start point and an end point within the same stroke.

    Abstract translation: 一种用于进行等离子体沉积工艺的方法，包括以下步骤：提供衬底管，将包含主气流和一个或多个二次气流的含掺杂剂的玻璃形成气体供应到衬底，在衬底管中引入等离子体， 在供应侧附近的反转点和排出侧附近的反转点之间的冲程中来回移动反应区，并且在每次冲程的一部分期间中断二次气流，每个中断具有起始点和终点 相同的行程。

    METHOD OF MAKING UPDOPED CLADDING BY USING SILICON TERTRACHLORIDE AS THE DOPANT
    14.
    发明申请
    METHOD OF MAKING UPDOPED CLADDING BY USING SILICON TERTRACHLORIDE AS THE DOPANT 审中-公开
    通过使用硅酮作为鞣剂制备更好的覆盖物的方法

    公开(公告)号：US20160152510A1

    公开(公告)日：2016-06-02

    申请号：US14997780

    申请日：2016-02-15

    Applicant: Corning Incorporated

    Inventor： Brian Lee Harper ,  Rostislav Radiyevich Khrapko ,  Snigdharaj Kumar Mishra ,  Sonya Marie Raney ,  Pushkar Tandon

    IPC: C03B37/014

    CPC classification number: C03B37/01446 ,  C03B37/014 ,  C03B37/01453 ,  C03B2201/08 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/26 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/20

    Abstract: One embodiment of the disclosure relates to a method of making an optical fiber comprising the steps of: (i) exposing a silica based preform with at least one porous glass region having soot density of ρ to a gas mixture comprising SiCl4 having SiCl4 mole fraction ySiCl4 at a doping temperature Tdop such that parameter X is larger than 0.03 to form the chlorine treated preform, wherein X = 1 1 + [ ( ρ ρ s - ρ )  0.209748   T dop  Exp  [ - 5435.33 / T dop ] y SiCl   4 3 / 4 ] and ρs is the density of the fully densified soot layer; and (ii) exposing the chlorine treated preform to temperatures above 1400° C. to completely sinter the preform to produce sintered optical fiber preform with a chlorine doped region; and (iii) drawing an optical fiber from the sintered optical preform.

    Abstract translation: 本公开的一个实施方案涉及一种制造光纤的方法，包括以下步骤：（i）将二氧化硅基预型体暴露于具有烟炱密度的至少一个多孔玻璃区域; 在掺杂温度Tdop下将SiCl 4的SiCl 4摩尔分数为ySiCl4的气体混合物混合，使得参数X大于0.03以形成经氯处理的预制件，其中X = 11 + [（＆rgr; s - ＆rgr;））0.209748 实验表明，完全致密的煤烟层的密度为 和（ii）将氯处理的预制件暴露于高于1400℃的温度下，以完全烧结预成型件，以制备具有氯掺杂区域的烧结光纤预制件; 和（iii）从烧结的光学预型件拉制光纤。

    BENDING INSENSITIVE SINGLE-MODE OPTICAL FIBER
    15.
    发明申请
    BENDING INSENSITIVE SINGLE-MODE OPTICAL FIBER 有权
    弯曲的单模光纤

    公开(公告)号：US20160139333A1

    公开(公告)日：2016-05-19

    申请号：US14196633

    申请日：2014-03-04

    Applicant: YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY

    Inventor： Lei Zhang ,  Yiwen Wu ,  Haolin Guo ,  Jinyan Zhang ,  Ruichun Wang ,  Raadjkoemar Matai

    IPC: G02B6/036 ,  G02B6/02 ,  G02B6/028

    CPC classification number: G02B6/0365 ,  C03B37/01211 ,  C03B37/01413 ,  C03B37/01807 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2203/14 ,  C03B2203/23 ,  G02B6/02028 ,  G02B6/02214 ,  G02B6/02395 ,  G02B6/0283 ,  G02B6/0286

    Abstract: In one aspect of the invention, the bend insensitive single-mode optical fiber includes a core layer and cladding layers having an inner cladding layer, a trench cladding layer and an outer cladding layer sequentially formed surrounding the core layer from inside to outside. For the core layer, the diameter is 7-7.9 μm, and the relative refractive index difference Δ1 is between 4.6×10−3 and 6.0×10−3. For the inner cladding layer, the diameter is 15-17 μm, and a relative refractive index difference Δ2 is between −3×10−4 and 3×10−4. For the trench cladding layer, the diameter is 24-33 μm, and the relative refractive index difference Δ3 is between −2.9×10−3 and −7.3×10−3, changes in a gradient manner and increases gradually from outside to inside, where a relative refractive index difference Δ32 at an outermost interface is smaller than a relative refractive index difference Δ31 at an innermost interface.

    Abstract translation: 在本发明的一个方面中，弯曲不敏感单模光纤包括芯层和包层，其具有内包层，沟槽包覆层和从内到外围绕芯层顺序形成的外包层。 对于芯层，直径为7-7.9μm，相对折射率差Dgr1为4.6×10-3至6.0×10-3。 对于内包层，直径为15-17μm，相对折射率差Dgr 2在-3×10 -4和3×10 -4之间。 对于沟槽覆层，直径为24-33μm，相对折射率差Dgr 3在-2.9×10 -3和-7.3×10 -3之间，梯度变化，从外向逐渐增加 其中在最外界面处的相对折射率差Dgr; 32在最内界面处小于相对折射率差Dgr31。

    Methods for making active laser fibers
    16.
    发明授权
    Methods for making active laser fibers 有权
    制作激光光纤的方法

    公开(公告)号：US09255026B2

    公开(公告)日：2016-02-09

    申请号：US13787084

    申请日：2013-03-06

    Applicant: j-fiber GmbH

    Inventor： Jurgen Rosenkranz ,  Wolfgang Haemmerle ,  Lothar Brehm ,  Katrin Roessner ,  Robert Hanf

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

    CPC classification number: C03B37/02763 ,  C03B37/01211 ,  C03B37/01217 ,  C03B37/0122 ,  C03B37/01222 ,  C03B2201/04 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2203/02 ,  C03B2203/12 ,  C03B2203/14 ,  C03B2203/31 ,  C03B2203/34 ,  C03B2205/40 ,  H01S3/094007

    Abstract: Methods for making active laser fibers include the production of an optical fiber with disturbed (or deviated) cylindrical symmetry on the glass surface of the fiber. The methods include a preform containing a central core made of glass. In one embodiment, the preform is circular and surrounded by additional glass rods and an outer glass jacket tube. In a first alternative embodiment, this preform is merged during fiber drawing. In a second alternative embodiment, the preform merged in a process forming a compact glass body with disturbed cylindrical symmetry. This compact preform is drawn into a fiber under conditions maintaining the disturbed cylindrical symmetry.

    Abstract translation: 制造活性激光光纤的方法包括在纤维的玻璃表面上产生具有干扰（或偏离）圆柱对称的光纤。 该方法包括一个包含由玻璃制成的中心芯的预制件。 在一个实施例中，预成型件是圆形的并被另外的玻璃棒和外部玻璃护套管包围。 在第一替代实施例中，在纤维拉伸期间将该预制件合并。 在第二替代实施例中，预成型件在形成具有扰动的圆柱形对称的紧凑玻璃体的工艺中合并。 这种紧凑的预成型件在保持受扰的圆柱形对称性的条件下被拉入纤维中。

    OPTICAL FIBER AND OPTICAL FIBER SILICA GLASS BASE MATERIAL
    17.
    发明申请
    OPTICAL FIBER AND OPTICAL FIBER SILICA GLASS BASE MATERIAL 审中-公开
    光纤和光纤二氧化硅玻璃基材

    公开(公告)号：US20150331180A1

    公开(公告)日：2015-11-19

    申请号：US14133526

    申请日：2013-12-18

    Applicant: Shin-Etsu Chemical Co., Ltd.

    Inventor： Hiroshi OYAMADA

    IPC: G02B6/028 ,  G02B6/02 ,  G02B6/036

    CPC classification number: G02B6/0283 ,  C03B37/01413 ,  C03B37/01453 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/23 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/26 ,  G02B6/02019 ,  G02B6/02214 ,  G02B6/0365 ,  G02B6/03694

    Abstract: An optical fiber silica glass base material comprising a core formed of silica glass doped with a positive dopant that increases a refractive index; an intermediate layer adjacent to the core and surrounding the core on a radial outside thereof; a trench layer adjacent to the intermediate layer, surrounding the intermediate layer on a radial outside thereof, and formed of silica glass doped with a negative dopant that decreases a refractive index; and a cladding layer adjacent to the trench layer, surrounding the trench layer on a radial outside thereof, and formed of silica glass. Thickness of the intermediate layer in a radial direction is greater than thickness of the trench layer, and a region of the intermediate layer nearer the core is more heavily doped with the positive dopant and/or a region of the intermediate layer nearer the trench layer is more heavily doped with the negative dopant.

    Abstract translation: 一种光纤石英玻璃基材，包括由掺杂有增加折射率的正掺杂剂的石英玻璃形成的芯; 邻近所述芯并在其径向外侧围绕所述芯的中间层; 与中间层相邻的沟槽层，在中间层的径向外侧包围中间层，并由掺杂有降低折射率的负掺杂剂的石英玻璃形成; 以及与沟槽层相邻的包层，在其径向外侧包围沟槽层，并由石英玻璃形成。 中间层在径向上的厚度大于沟槽层的厚度，并且更靠近芯的中间层的区域被更多地掺杂有正掺杂剂和/或更接近沟槽层的中间层的区域 更重掺杂负极掺杂剂。

    OPTICAL FIBER
    19.
    发明申请
    OPTICAL FIBER 有权
    光纤

    公开(公告)号：US20150160410A1

    公开(公告)日：2015-06-11

    申请号：US14628077

    申请日：2015-02-20

    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

    Inventor： Tetsuya NAKANISHI ,  Tatsuya KONISHI ,  Kazuya KUWAHARA

    IPC: G02B6/036

    CPC classification number: G02B6/036 ,  C03B37/027 ,  C03B37/02718 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/31 ,  C03B2203/22 ,  G02B6/02395 ,  G02B6/03694

    Abstract: An inexpensive low-attenuation optical fiber 1 suitable for use as an optical transmission line in an optical access network is a silica based glass optical fiber and includes a core 11 including the center axis, an optical cladding 12 surrounding the core, and a jacket 13 surrounding the optical cladding. The core contains GeO2 and has a relative refractive index difference Δcore, based on the optical cladding, greater than or equal to 0.35% and less than or equal to 0.50% and has a refractive index volume v greater than or equal to 0.045 μm2 and less than or equal to 0.095 μm2. The jacket has a relative refractive index difference ΔJ greater than or equal to 0.03% and less than or equal to 0.20%. Glass constituting the core has a fictive temperature higher than or equal to 1400° C. and lower than or equal to 1590° C. Residual stress in the core is compressive stress that has an absolute value greater than or equal to 5 MPa.

    Abstract translation: 适合用作光接入网络中的光传输线的便宜的低衰减光纤1是二氧化硅基玻璃光纤，并且包括包括中心轴的芯11，围绕芯的光学包层12和外壳13 围绕光学包层。 芯包含GeO 2，并且具有基于光学包层的相对折射率差＆Dgr芯，大于或等于0.35％且小于或等于0.50％，并且具有大于或等于0.045μm2的折射率体积v 小于或等于0.095μm2。 护套的相对折射率差Dgr; J大于或等于0.03％且小于或等于0.20％。 构成芯的玻璃具有高于或等于1400℃且低于或等于1590℃的假想温度。芯中的残余应力是绝对值大于或等于5MPa的压应力。

    Large mode field active optical fiber and manufacture method thereof
    20.
    发明授权
    Large mode field active optical fiber and manufacture method thereof 有权
    大模场有源光纤及其制造方法

    公开(公告)号：US09014523B2

    公开(公告)日：2015-04-21

    申请号：US13497314

    申请日：2010-11-24

    Applicant: Wei Chen ,  Shiyu Li ,  Daoyu Lei ,  Dongxiang Wang ,  Wenyong Luo ,  Wenjun Huang ,  Fuming Hu ,  Peng Hu

    Inventor： Wei Chen ,  Shiyu Li ,  Daoyu Lei ,  Dongxiang Wang ,  Wenyong Luo ,  Wenjun Huang ,  Fuming Hu ,  Peng Hu

    IPC: G02B6/028 ,  G02B6/036 ,  C03B37/012 ,  C03B37/018 ,  C03B37/027

    CPC classification number: G02B6/0365 ,  C03B37/01228 ,  C03B37/0183 ,  C03B37/02754 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2203/12 ,  G02B6/0281 ,  Y02P40/57

    Abstract: A large mode field active optical fiber and manufacture method thereof is provided. The large mode field active optical fiber is formed by drawing a fiber core (1), a quartz glass internal cladding (2), a quartz glass outer cladding (3), and a coating (4). The quartz glass internal cladding (2), the quartz glass outer cladding (3), and the coating (4) are sequentially coated on the outer surface of the fiber core (1). The fiber core (1) is formed by depositing, melting, and shrinking the tetrachlorosilane doped with rare earth ions in a quartz glass tube. The refractive index of the fiber core (1) is a graded refractive index, and the section parameter a thereof is 1≦α≦3. The appearance of the quartz glass inner cladding (2) is regular multi-prism shaped. The large mode field active optical fiber provides an approximate single mode output, increases the capacity of bearing the laser power for the active optical fiber, increases the quality of the light beam of the output laser, avoids the problem that there is a hollow ring in the output laser, increases the reliability of the high power fiber laser, increases the utilization efficiency of the raw materials, and reduces the manufacture cost.

    Abstract translation: 提供了一种大模场有源光纤及其制造方法。 大模场有源光纤是通过拉伸纤维芯（1），石英玻璃内包层（2），石英玻璃外包层（3）和涂层（4）来形成的。 石英玻璃内包层（2），石英玻璃外包层（3）和涂层（4）依次涂覆在纤维芯（1）的外表面上。 纤维芯（1）通过在石英玻璃管中沉积，熔化和收缩掺杂有稀土离子的四氯硅烷而形成。 纤维芯（1）的折射率为渐变折射率，其截面参数a为1＆nlE;α＆nlE; 3。 石英玻璃内包层（2）的外观是规则的多棱镜形状。 大模场有源光纤提供近似的单模输出，增加了对有源光纤的激光功率的承载能力，提高了输出激光的光束质量，避免了中空环的问题 输出激光器，提高了高功率光纤激光器的可靠性，提高了原材料的利用效率，降低了制造成本。

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