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    Doped glass and process for making
    25.
    发明授权
    Doped glass and process for making 失效
    掺杂玻璃和制造工艺

    公开(公告)号：US4557561A

    公开(公告)日：1985-12-10

    申请号：US476571

    申请日：1983-03-18

    Applicant: Hartmut Schneider ,  Egon Lebetzki

    Inventor： Hartmut Schneider ,  Egon Lebetzki

    IPC: C03B8/00 ,  C03B20/00 ,  C03B37/018 ,  C03C3/06 ,  C03C3/253 ,  C03C13/04 ,  G02B6/00 ,  C03B37/025

    CPC classification number: C03C13/045 ,  C03B37/01807 ,  C03B2201/12 ,  C03B2201/14 ,  C03B2201/30 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/40 ,  Y10S65/16

    Abstract: Technique for making glass having a predetermined refractive index profile using fluorine doping and fluorine etching. A substrate glass body is coated with a plurality of successively applied vapor deposited glass layers wherein each succeeding layer is built with a larger quantity of fluorine than the adjacent preceding layer. The amount of the doping in each layer is such as to achieve the desired refractive index profile. Fluorine etching is employed to provide a uniform core before the glass body is heat fused into a rod-like structure suitable for the preparation of light waveguides for use in optical communications technology.

    Abstract translation: 使用氟掺杂和氟蚀刻制造具有预定折射率分布的玻璃的技术。 衬底玻璃体涂覆有多个连续施加的气相沉积玻璃层，其中每个后续层被构建为具有比相邻的前一层更大量的氟。 每个层中的掺杂量可达到所需的折射率分布。 在将玻璃体热熔融成适于制备用于光通信技术的光波导的棒状结构之前，使用氟蚀刻来提供均匀的芯。

    Method of making solid preforms and optical fibers drawn therefrom
    26.
    发明授权
    Method of making solid preforms and optical fibers drawn therefrom 失效
    制作固体预成型件和从其中拉出的光纤的方法

    公开(公告)号：US4341441A

    公开(公告)日：1982-07-27

    申请号：US761746

    申请日：1977-01-24

    Applicant: Paul E. Lighty ,  Philip W. Black ,  John Irven

    Inventor： Paul E. Lighty ,  Philip W. Black ,  John Irven

    IPC: C03B37/018 ,  G02B6/00 ,  G02B6/44 ,  C03B37/025 ,  C03B37/075

    CPC classification number: C03B37/01861 ,  C03B37/01807 ,  C03B37/01853 ,  C03B37/01869 ,  G02B6/4492 ,  C03B2201/28 ,  C03B2201/30 ,  C03B2201/31 ,  C03B2201/32 ,  C03B2201/40 ,  C03B2201/42 ,  C03B2205/16

    Abstract: An optical glass fiber is formed of an inner layer of germania doped glass within the bore of the outer cladding tube of silica. The tube with the higher index of refraction inner layer is rotated while being heated to collapse the bore to form an optical fiber preform. The preform is then drawn into fiber in a separate operation. A first silica layer can be deposited within the tube bore before the germania doped layer. The deposition of germania takes place under hydrogen free conditions. Appropriate heat treatment of the tube avoids excessive evaporation of germania and provides a graded transition of the refractive index in the boundary between core and cladding.

    Abstract translation: 光学玻璃纤维由二氧化硅外包层的孔内的由掺杂锗的玻璃的内层形成。 具有较高折射率内层的管旋转同时被加热以使孔塌缩以形成光纤预制件。 然后将预成型件在单独的操作中拉制成纤维。 第一二氧化硅层可以在氧化锗掺杂层之前沉积在管孔内。 铀的沉积在无氢条件下进行。 管的适当热处理避免了氧化锗的过度蒸发，并且提供了芯和包层之间的边界中折射率的渐变过渡。

    Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle
    27.
    发明授权
    Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle 失效
    用于信号传输的光纤波导，包括具有在芯和地幔之间调节的膨胀系数的多组分玻璃

    公开(公告)号：US4194807A

    公开(公告)日：1980-03-25

    申请号：US7310

    申请日：1979-01-29

    Applicant: Georg Gliemeroth

    Inventor： Georg Gliemeroth

    IPC: C03B37/018 ,  C03C13/04 ,  G02B6/028 ,  G02B5/14

    CPC classification number: G02B6/0281 ,  C03B37/01807 ,  C03C13/045 ,  C03C13/046 ,  C03C13/048 ,  C03B2201/10 ,  C03B2201/36 ,  C03B2201/40 ,  C03B2201/78 ,  C03B2203/22 ,  C03B2203/225

    Abstract: The present invention discloses an optical fiber wave-guide for signal transmission in which the signal fiber has a linear thermal expansion co-efficient in all of the fiber elements above 15.times.10.sup.-7 /.degree.C. in which the outer mantle is composed of the silicon dioxide modified glass, and the optical fiber wave-guide is composed of an inner silicon dioxide-free mantle employing germanium oxide and other components and has an inner silicon dioxide-free core which is composed of germanium oxide and optionally other additives. The fiber is produced according to the chemical vapor deposition process, and preferably has a refractive index gradient which has the shape of a parabola.

    Abstract translation: 本发明公开了一种用于信号传输的光纤波导，其中信号光纤在15×10 -7 /℃以上的所有光纤元件中具有线性热膨胀系数，其中外壳由硅 二氧化硅改性玻璃，并且光纤波导由使用氧化锗和其它组分的内部无二氧化硅层构成，并且具有由氧化锗和任选的其它添加剂组成的内部二氧化硅的芯。 纤维根据化学气相沉积工艺生产，优选具有抛物线形状的折射率梯度。

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