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    METHOD FOR PRODUCING OPTICAL FIBER
    123.
    发明申请
    METHOD FOR PRODUCING OPTICAL FIBER 审中-公开
    生产光纤的方法

    公开(公告)号：US20120321261A1

    公开(公告)日：2012-12-20

    申请号：US13517859

    申请日：2012-06-14

    Applicant: Tetsuya Haruna ,  Masaaki Hirano ,  Yoshiaki Tamura

    Inventor： Tetsuya Haruna ,  Masaaki Hirano ,  Yoshiaki Tamura

    IPC: C03B37/027 ,  G02B6/02

    CPC classification number: C03C3/06 ,  C03B37/0253 ,  C03B37/029 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/26 ,  C03B2205/40 ,  C03B2205/42 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  G02B6/03627

    Abstract: There is provided a method for producing an optical fiber having low attenuation, the optical fiber including a core that contains an alkali metal element. An optical fiber preform that includes a core part and a cladding part is drawn with a drawing apparatus to form an optical fiber, the core part having an average concentration of an alkali metal element of 5 atomic ppm or more. During the drawing, the time the temperature of glass is maintained at 1500° C. or higher is 110 minutes or less. The drawing speed is preferably 1200 m/min or more and more preferably 1500 m/min to 2300 m/min. The optical fiber preform preferably has a diameter of 70 mm to 170 mm and more preferably 90 mm to 150 mm.

    Abstract translation: 提供了一种制造具有低衰减的光纤的方法，该光纤包括含有碱金属元素的芯。 包括芯部和包层部的光纤预制棒用拉伸装置拉伸以形成光纤，核部分的碱金属元素的平均浓度为5原子ppm以上。 在图中，玻璃的温度保持在1500℃以上的时间为110分钟以下。 拉伸速度优选为1200m / min以上，更优选为1500m / min〜2300m / min。 光纤预制棒的直径优选为70mm〜170mm，更优选为90mm〜150mm。

    Infrared absorbing glass, and its fabrication method
    128.
    发明申请
    Infrared absorbing glass, and its fabrication method 审中-公开
    红外吸收玻璃及其制造方法

    公开(公告)号：US20020072461A1

    公开(公告)日：2002-06-13

    申请号：US09986754

    申请日：2001-11-09

    Inventor： Yoshinobu Akimoto ,  Hiroaki Kinoshita

    IPC: C03C003/076

    CPC classification number: C03C1/006 ,  C03B19/12 ,  C03B2201/40 ,  C03B2201/50 ,  C03C3/06 ,  C03C3/078 ,  C03C4/082 ,  C03C13/046 ,  C03C2201/30 ,  C03C2201/40 ,  C03C2201/50 ,  C03C2203/20 ,  Y10S501/905

    Abstract: The invention relates to a glass excellent in infrared absorption capability and corrosion resistance, and its fabrication process. A compound of divalent copper and a compound of a metal species for a network modifier oxide are introduced in a wet gel. Then, the wet gel is dipped in a dipping solution having a low solubility with respect to the compound of divalent copper and the compound of a metal species for a network modifier oxide for the precipitation in the wet gel of the divalent copper compound and the compound of a metal species for a network modifier oxide, followed by drying and firing. Thus, an infrared absorbing glass comprising 70 to 98 mol % of SiO2, 1 to 12 mol % of CuO and 1 to 18 mol % of a network modifier oxide other than CuO is fabricated.

    Abstract translation: 本发明涉及一种红外吸收能力和耐腐蚀性优异的玻璃及其制造工艺。 将二价铜的化合物和用于网络改性剂氧化物的金属物质的化合物引入湿凝胶中。 然后，将湿凝胶浸入相对于二价铜化合物的低溶解度的浸渍溶液和用于网络改性剂氧化物的金属物质的化合物，用于在二价铜化合物和化合物的湿凝胶中沉淀 的金属物质用于网络改性剂氧化物，然后干燥和烧制。 因此，制造包含70〜98摩尔％的SiO 2，1〜12摩尔％的CuO和1〜18摩尔％的CuO以外的网络改性剂氧化物的红外线吸收玻璃。

    Erbium-doped multicomponent glasses manufactured by the sol-gel method
    129.
    发明申请
    Erbium-doped multicomponent glasses manufactured by the sol-gel method 审中-公开
    通过溶胶 - 凝胶法制造的掺铒多组分玻璃

    公开(公告)号：US20020013209A1

    公开(公告)日：2002-01-31

    申请号：US09803277

    申请日：2001-03-09

    Inventor： Michel Prassas ,  Jean Waku-Nsimba

    IPC: C03B037/016 ,  C03B008/02 ,  C03C003/095

    CPC classification number: C03C1/006 ,  C03B19/12 ,  C03B2201/30 ,  C03B2201/36 ,  C03B2201/42 ,  C03B2201/50 ,  C03B2201/54 ,  C03C3/06 ,  C03C3/095 ,  C03C13/046 ,  C03C2201/31 ,  C03C2201/36 ,  C03C2201/42 ,  C03C2201/50 ,  C03C2201/54 ,  C03C2203/22 ,  C03C2203/26

    Abstract: A multicomponent particulate gel includes 80-100 mole % SiO2, 1-10 mole % X2O, 1-10 mole % YO, 1-15 mole % Al2O3, and 0.1-5.0 weight % Er2O3,where X represents lithium, sodium, potassium, or mixtures thereof and Y represents calcium, barium, magnesium, lead or mixtures thereof, and the ratio of Al2O3 to (X2OnullYO) is between about 0.9 and about 2.5. A process of manufacturing the gel includes hydrolyzing alkoxide derivatives of silicon, aluminum, erbium, lithium, sodium, potassium, calcium, barium, magnesium, lead or mixtures thereof in water to generate their respective hydroxide derivatives; polymerizing the hydroxide derivatives to produce a gel slurry comprising an essentially silica network; and drying the gel slurry to produce the gel.

    Abstract translation: 多组分颗粒凝胶包含80-100摩尔％的SiO 2，1-10摩尔％的X 2 O，1-10摩尔％的YO，1-15摩尔％的Al 2 O 3和0.1-5.0重量的Er 2 O 3，其中X代表锂，钠，钾， 或其混合物，Y表示钙，钡，镁，铅或其混合物，Al 2 O 3与（X 2 O + YO）的比例在约0.9至约2.5之间。 制造凝胶的方​​法包括在水中水解硅，铝，铒，锂，钠，钾，钙，钡，镁，铅或其混合物的醇盐衍生物以产生它们各自的氢氧化物衍生物; 聚合氢氧化物衍生物以产生包含基本上二氧化硅网络的凝胶淤浆; 并干燥凝胶浆以产生凝胶。

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