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    Methods for Making Active Laser Fibers
    145.
    发明申请
    Methods for Making Active Laser Fibers 审中-公开
    制作活性激光纤维的方法

    公开(公告)号：US20130239623A1

    公开(公告)日：2013-09-19

    申请号：US13787084

    申请日：2013-03-06

    Applicant: J-FIBER GMBH

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

    IPC: C03B37/027 ,  C03B37/012

    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, IN PARTICULAR A LASER FIBER CONTAINING A DOPED GLASS FIBER CORE AND CLADDING AROUND THE FIBERGLASS CORE
    147.
    发明申请
    OPTICAL FIBER, IN PARTICULAR A LASER FIBER CONTAINING A DOPED GLASS FIBER CORE AND CLADDING AROUND THE FIBERGLASS CORE 有权
    光纤，特别是包含玻璃纤维核心的激光光纤和光纤核心附近的光纤

    公开(公告)号：US20120063733A1

    公开(公告)日：2012-03-15

    申请号：US13320440

    申请日：2010-06-09

    Applicant: Wolfgang Hämmerle ,  Lothar Brehm ,  Matthias Auth ,  Elke Poppotz

    Inventor： Wolfgang Hämmerle ,  Lothar Brehm ,  Matthias Auth ,  Elke Poppotz

    IPC: G02B6/02 ,  C03C17/02

    CPC classification number: C03B37/01861 ,  C03B37/01838 ,  C03B37/01869 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/36 ,  C03B2201/40 ,  G02B6/03633 ,  G02B6/03638 ,  G02B6/03694 ,  H01S3/06708

    Abstract: The invention relates to an optical fiber, in particular a laser fiber, containing a doped glass fiber core (1) and cladding (2) around the latter with a refraction index profile which decreases outwards from the fiber core. The optical fiber is distinguished by at least one intermediate layer (3, 4, 5) being disposed between the glass fiber core and the cladding to reduce the mechanical tension therebetween. In one advantageous embodiment, the intermediate layer is doped in such a way as to ensure a stepped mechanical tension distribution between the glass fiber core and the cladding, and is co-doped in such a way as to reduce the refractive index and counteract the refraction index-increasing effect of the intermediate layer doping. The invention further relates to an application of at least one doped barrier layer to a core region during preparation of the preform to avoid diffusion of special core dopants from the core during the collapse process, and to allow the diffusion of special dopants between the barrier layer and the core layer.

    Abstract translation: 本发明涉及一种光纤，特别是激光光纤，其中包含掺杂的玻璃纤维芯（1）和包层（2），后者具有从光纤芯向外减小的折射率分布。 光纤的特征在于至少一个中间层（3,4,5）设置在玻璃纤维芯和包层之间以减小它们之间的机械张力。 在一个有利的实施例中，中间层以这样的方式被掺杂，以确保玻璃纤维芯和包层之间的阶梯式机械张力分布，并且以减少折射率并抵消折射的方式共掺杂 指数增加效应的中间层掺杂。 本发明还涉及在制备预制棒期间将至少一个掺杂的阻挡层应用于核心区域，以避免在塌陷过程中特殊的核掺杂剂从核心扩散，并且允许特殊掺杂剂在阻挡层 和核心层。

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