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    • 91. 发明申请
    • OPTICAL FIBER FOR MULTIMODE AND SINGLE-MODE TRANSMISSION
    • 用于多模和单模传输的光纤
    • WO2016209786A1
    • 2016-12-29
    • PCT/US2016/038454
    • 2016-06-21
    • CORNING INCORPORATED
    • BICKHAM, Scott RobertsonBOOKBINDER, Dana CraigLI, Ming-JunTANDON, Pushkar
    • G02B6/028G02B6/036H04B10/2581G02B6/42
    • G02B6/0288G02B6/02004G02B6/02395G02B6/0281G02B6/03627G02B6/0365G02B6/42H04B10/2581H04B10/503
    • A multimode coupling fiber for optical data links features low coupling loss to silicon photonics lasers, VCSELs, single mode transmission fibers, multimode transmission fibers, and high speed receivers. The coupling fiber includes a core, an optional inner cladding region, a depressed index cladding region, and an outer cladding region. The relative refractive index profile of the coupling fiber includes a core region with a profile and a depressed index cladding region that facilitates low bending loss and high bandwidth. The core region has an outer radius r 1 in the range from 10 to 20 μm, and the depressed index cladding region has an inner radius r 2 in the range from 11 to 20 μm, an outer radius r3 in the range from 14 to 24 μm and a relative refractive index ∆3 in the range from -0.8% to -0.1%. The mode field diameter of the coupling fiber is well-matched to standard single mode transmission fibers and the etendue of the coupling fiber is high enough to couple efficiently to multimode transmission fibers.
    • 用于光学数据链路的多模耦合光纤具有对硅光子激光器,VCSEL,单模传输光纤,多模传输光纤和高速接收机的低耦合损耗。 耦合光纤包括芯,可选的内包层区,凹陷折射率包层区和外包层区。 耦合光纤的相对折射率分布包括具有轮廓的芯区域和有助于低弯曲损耗和高带宽的凹陷折射率包层区域。 芯区域的外半径r1在10〜20μm的范围内,凹陷的折射率包层区域的内半径r2在11〜20μm的范围内,外半径r3在14〜24μm的范围内, 相对折射率Δ3在-0.8%至-0.1%的范围内。 耦合光纤的模场直径与标准单模传输光纤匹配良好,并且耦合光纤的光密度足够高以有效地耦合到多模传输光纤。
    • 97. 发明申请
    • OPTICAL FIBER COATING WITH NON-RADIATION-CURABLE ACRYLIC HARD-SOFT BLOCK COPOLYMER
    • 非辐射固化丙烯酸硬胶共聚物的光纤涂层
    • WO2015147961A2
    • 2015-10-01
    • PCT/US2015/010570
    • 2015-01-08
    • CORNING INCORPORATED
    • BOOKBINDER, Dana CraigMCCARTHY, Kevin RobertNIU, WeijunSCHISSEL, David NealWALLACE, Arthur Lawrence
    • C09D153/00
    • G02B1/14C03C25/106C08G18/10C08G18/3206C08G18/4825C08G18/755C08G18/758C09D4/06C09D153/00C09D175/08G02B6/02395Y10T428/2933C08G18/2835
    • An optical fiber coating composition that includes an acrylic copolymer. The acrylic copolymer is a block copolymer that includes two or more acrylic blocks. The two or more acrylic blocks differ in glass transition temperature (T g ). The acrylic copolymer may include an acrylic block with a T g above 50 °C and an acrylic block with a T g below 0 °C. Representative monomers from which the repeat units of the acrylic blocks are derived include alkyl(meth)acrylates. In one embodiment, the acrylic copolymer includes an acrylic block with repeat units derived from methylmethacrylate and an acrylic block derived from butylacrylate. The acrylic copolymer lacks urethane groups, lacks urea groups, lacks radiation-curable groups, and is otherwise unreactive with other components in the coating composition. The acrylic copolymer features high solubility in common acrylate-based radiation-curable coating compositions and can be provided at high concentrations in acrylate-based coating compositions.
    • 包括丙烯酸共聚物的光纤涂料组合物。 丙烯酸共聚物是包含两个或更多个丙烯酸嵌段的嵌段共聚物。 两种或多种丙烯酸酯嵌段的玻璃化转变温度(Tg)不同。 丙烯酸共聚物可以包括Tg高于50℃的丙烯酸嵌段和Tg低于0℃的丙烯酸嵌段。 衍生出丙烯酸嵌段的重复单元的代表性单体包括(甲基)丙烯酸烷基酯。 在一个实施方案中,丙烯酸共聚物包括具有衍生自甲基丙烯酸甲酯的重复单元的丙烯酸嵌段和衍生自丙烯酸丁酯的丙烯酸嵌段。 丙烯酸共聚物缺乏氨基甲酸酯基团,缺少尿素基团,缺少可辐射固化的基团,并且与涂料组合物中的其它组分无反应。 丙烯酸共聚物在基于丙烯酸酯的可辐射固化涂料组合物中具有高溶解度,并且可以以高浓度提供丙烯酸酯基涂料组合物。