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    Apparatus and method of doping silica with fluorine during laydown
    91.
    发明授权
    Apparatus and method of doping silica with fluorine during laydown 失效
    沉积期间用氟掺杂二氧化硅的装置和方法

    公开(公告)号：US06748768B2

    公开(公告)日：2004-06-15

    申请号：US10033144

    申请日：2001-10-26

    申请人： Michael J. Lehman ,  Vaidyanathan Srikant ,  Jeffery S. Stone

    发明人： Michael J. Lehman ,  Vaidyanathan Srikant ,  Jeffery S. Stone

    IPC分类号： C03B37018

    CPC分类号： C03B37/0142 ,  C03B2201/12 ,  C03B2207/06 ,  C03B2207/12 ,  C03B2207/14 ,  C03B2207/20 ,  C03B2207/34 ,  C03B2207/46

    摘要： A method for doping silica soot with fluorine during laydown, including providing a bait rod, and providing a burner, wherein the burner emits a reactant flame. The method also including providing at least one first gas-feed separate from the burner, wherein the gas-feed supplies a first jet of fluorine-based gases, and depositing a layer of silica soot on the bait rod by vaporizing a silica producing gas within the reactant flame of the burner. The method further including supplying the first jet of fluorine-based gases to the silica soot deposited on to the bait rod via the first gas-feed subsequent to vaporizing at least a portion of the silica producing gas within the reactant flame of the burner.

    摘要翻译： 一种在沉积期间用氟掺杂二氧化硅烟灰的方法，包括提供诱饵棒，并提供燃烧器，其中燃烧器发射反应物火焰。 该方法还包括提供与燃烧器分离的至少一个第一气体进料，其中气体进料供应氟基气体的第一射流，并通过汽化二氧化硅生成气体在饵料棒上沉积二氧化硅烟炱层 燃烧器的反应物火焰。 所述方法还包括在蒸发燃烧器的反应物火焰内的二氧化硅生成气体的至少一部分之后，经由第一气体进料将第一喷射氟基气体供应到沉积在诱饵杆上的二氧化硅烟灰。

    Optical fiber
    92.
    发明申请
    Optical fiber 有权
    光纤

    公开(公告)号：US20040086245A1

    公开(公告)日：2004-05-06

    申请号：US10619376

    申请日：2003-07-11

    发明人： Julia A. Farroni ,  Adrian Carter ,  Kanishka Tankala

    IPC分类号： G02B006/16 ,  G02B006/17

    CPC分类号： G02B6/02114 ,  C03B37/01217 ,  C03B37/01231 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/42 ,  C03B2203/23 ,  C03B2203/31 ,  G02B6/024

    摘要： An optical fiber comprises a photosensitive core that includes a concentration of a first material that increases the refractive index of the core and a concentration of a second material that is other than boron and that reduces the refractive index of the core. A cladding is disposed about the core for tending to confine light to the core. The fiber also includes at least one longitudinally extending region having a thermal coefficient of expansion that is different from the thermal coefficient of expansion of the cladding. In another embodiment, the core includes a concentration of germanium and a concentration of boron. Also disclosed is a polarization-maintaining double-clad (PM DC) fiber comprising one or both of at least one circular axially extending stress inducing region(s) and an inner cladding comprising a circular outer perimeter. Fibers according to the invention can include a rare earth dopant for emitting light of a selected wavelength responsive to being pumped by pump light of a pump wavelength that is different than the selected wavelength.

    摘要翻译： 光纤包括感光芯，其包括提高芯的折射率的第一材料的浓度和不同于硼的第二材料的浓度，并降低芯的折射率。 围绕芯部布置包层以倾向于将光限制在芯部上。 纤维还包括具有不同于包层的热膨胀系数的热膨胀系数的至少一个纵向延伸区域。 在另一个实施方案中，芯包括锗的浓度和硼的浓度。 还公开了一种包括至少一个圆形轴向延伸的应力诱导区域和包含圆形外周边的内包层中的一个或两个的偏振保持双包层（PMDC）光纤。 根据本发明的纤维可以包括用于发射选定波长的光的稀土掺杂剂，其响应于通过不同于所选波长的泵浦波长的泵浦光泵浦。

    Dispersion control fiber and method of manufacturing large size preform thereof
    96.
    发明授权
    Dispersion control fiber and method of manufacturing large size preform thereof 有权
    分散控制纤维及其制造大尺寸预型体的方法

    公开(公告)号：US06697562B1

    公开(公告)日：2004-02-24

    申请号：US09619715

    申请日：2000-07-19

    申请人： Ji-Hoon Lee ,  Mun-Hyun Do

    发明人： Ji-Hoon Lee ,  Mun-Hyun Do

    IPC分类号： G02B600

    CPC分类号： G02B6/02009 ,  C03B37/01807 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2203/36 ,  G02B6/02219 ,  G02B6/02242 ,  G02B6/03622 ,  G02B6/03694 ,  Y02P40/57

    摘要： A dispersion control fiber and a method of manufacturing a large size preform. The dispersion control fiber includes a core composed of SiO2, GeO2, and P2O5, and a cladding composed of SiO2, GeO2, P2O5, and Freon. The P2O5 content is selected not to exceed 10% total weight of a compound composing the core. The method of manufacturing a large size perform for a dispersion control fiber by an MCVD process includes depositing SiO2, GeO2, P2O5, and Freon in an inner periphery of a deposition tube to form a cladding layer, and depositing SiO2, GeO2, and P2O5 on an inner periphery of the cladding layer to form a core layer.

    摘要翻译： 一种分散控制纤维及其制造方法。 色散控制光纤包括由SiO 2，GeO 2和P 2 O 5组成的芯和由SiO 2，GeO 2，P 2 O 5和氟利昂组成的包层。 选择P2O5含量不超过构成核心的化合物的总重量的10％。 通过MCVD工艺制造用于分散控制光纤的大尺寸的方法包括在沉积管的内周中沉积SiO 2，GeO 2，P 2 O 5和氟利昂以形成包覆层，并将SiO 2，GeO 2和P 2 O 5沉积在 包层的内周，形成芯层。

    Synthetic quartz glass optical material and optical member
    98.
    发明授权
    Synthetic quartz glass optical material and optical member 有权
    合成石英玻璃光学材料和光学元件

    公开(公告)号：US06689705B2

    公开(公告)日：2004-02-10

    申请号：US10048309

    申请日：2002-01-29

    申请人： Akira Fujinoki ,  Hiroyuki Nishimura ,  Toru Yokota ,  Yasuyuki Yaginuma ,  Akira Sato ,  Tetsuji Ueda

    发明人： Akira Fujinoki ,  Hiroyuki Nishimura ,  Toru Yokota ,  Yasuyuki Yaginuma ,  Akira Sato ,  Tetsuji Ueda

    IPC分类号： C03C306

    CPC分类号： C03B19/1453 ,  C03B2201/07 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/21 ,  C03B2207/32 ,  C03C3/06 ,  C03C4/0085 ,  C03C2201/12 ,  C03C2201/21 ,  C03C2203/54 ,  Y02P40/57

    摘要： An object of the present invention is to provide a synthetic quartz glass optical material having a high optical transmittance for a radiation 157 nm in wavelength emitted from F2 excimer laser and a high resistance against irradiation of a F2 excimer laser radiation, yet having a uniformity suitable for such a fine patterning using a F2 excimer laser, and to provide an optical member using the same. The problems above are solved by a synthetic quartz glass optical material for F2 excimer lasers having an OH group concentration of 0.5 ppm or lower, a fluorine concentration of 0.1 to 2 mol %, a hydrogen molecule concentration of 5×1016 molecules/cm3 or lower, a difference between the maximum and minimum fluorine concentrations within 20 mol ppm, and a difference between the maximum and minimum refraction indices of 2×10−5 or lower.

    摘要翻译： 本发明的目的是提供一种合成石英玻璃光学材料，其对于从F2准分子激光器发射的波长为157nm的辐射具有高的透光率，并且具有高的对F2准分子激光辐射照射的抗性，但具有适合的均匀性 对于使用F2准分子激光器的精细图案化，并提供使用其的光学部件。 上述问题由OH基浓度为0.5ppm以下，氟浓度为0.1〜2mol％，氢分子浓度为5×10 16分子/ cm 2的F2准分子激光的合成石英玻璃光学材料解决， 3>以下，最大和最小氟浓度在20mol ppm内的差异，以及最大和最小折射率之间的差异为2×10 -5或更低。

    Method of fabricating rare earth doped optical fibre
    100.
    发明申请
    Method of fabricating rare earth doped optical fibre 有权
    稀土掺杂光纤的制造方法

    公开(公告)号：US20030182970A1

    公开(公告)日：2003-10-02

    申请号：US10106868

    申请日：2002-03-27

    申请人： COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH

    发明人： Ranjan Sen ,  Mrinmay Pal ,  Mukul Chandra Paul ,  Shyamal Kumar Bhadra ,  Somesh Chatterjee ,  Kamal Dasgupta

    IPC分类号： C03B037/075

    CPC分类号： C03B37/01807 ,  C03B37/01838 ,  C03B37/01853 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/36

    摘要： The present invention provides a method of fabricating rare earth doped preforms and optical fibres by a combination of modified chemical vapour deposition (MCVD) process and solution doping technique said MCVD process is used to develop matched or depressed clad structure inside a silica glass substrate tube followed by deposition of porous silica soot layer containing GeO2, P2O5 or such refractive index modifiers by the backward deposition method for formation of the core and presintering the deposited particulate layer by backward pass with flow of GeCl4 and/or corresponding dopant halides, soaking the porous soot layer into an alcoholic/aqueous solution of RE-salts containing codopants such as AlCl3 in definite proportion, drying, oxidation, dehydration and sintering of the RE containing porous deposit and by collapsing at a high temperature to produce the preform followed by drawing the fibres by known technique to produce fibres with suitable core-clad dimensions and geometry.

    摘要翻译： 本发明提供了一种通过改进的化学气相沉积（MCVD）工艺和溶液掺杂技术的组合制造稀土掺杂的预成型件和光纤的方法，所述MCVD工艺用于在石英玻璃衬底管内开发匹配或凹陷的包层结构，随后 通过用于形成芯的反向沉积方法沉积含有GeO 2，P 2 O 5或这种折射率改性剂的多孔二氧化硅烟灰层，并通过GeCl 4和/或相应的掺杂剂卤化物的流动反向通过沉积的颗粒层，浸泡多孔烟灰 将含有RE的多种沉积物的含RE的盐类，如AlCl 3的含水醇溶液/干燥，氧化，脱水和烧结，并在高温下收缩，制成预成型体，然后用纤维拉伸 已知的技术来生产具有合适的芯包层尺寸和几何形状的纤维。