会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 10. 发明申请
    • LARGE EFFECTIVE AREA FIBER
    • 大型有效区域纤维
    • WO2008136918A2
    • 2008-11-13
    • PCT/US2008005157
    • 2008-04-22
    • CORNING INCBICKHAM SCOTT RBOOKBINDER DANA CCHEN XINLI MING-JUNMISHRA SNIGDHARAJ KNOLAN DANIEL A
    • BICKHAM SCOTT RBOOKBINDER DANA CCHEN XINLI MING-JUNMISHRA SNIGDHARAJ KNOLAN DANIEL A
    • G02B6/036G02B6/032
    • G02B6/0365G02B6/02019
    • An optical fiber according to an embodiment of the present invention comprises: a glass core extending from a centerline to a radius R 1 wherein R 1 is greater than about 5 µm; a glass cladding surrounding and in contact with the core, the cladding comprising: (i) a first annular region extending from the radius R 1 to a radius R 2 the first annular region comprising a radial width, W 2 = R 2 - R 1 , (ii) a second annular region extending from the radius R 2 to a radius R 3 , and comprising a radial width, W 3 = R 3 - R 2 , and (iii) a third annular region surrounding the second annular region and extending from the radius R 3 to an outermost glass radius R 4 ; wherein the core comprises a maximum relative refractive index, ? 1max , relative to the third annular region, and wherein ? 1MAX is greater than about 0.1 % and less than about 0.3 %; the first annular region has a refractive index delta ? 2 (r) is less than about 0.025%; wherein the second annular region comprises a minimum relative refractive index, ? 3MIN , relative to the third annular region; wherein ? 1MAX > ? 2MAX > ? 3MIN , and ? 2MIN > ? 3MIN 2 and bend loss of ==0.5 dB/turn on a 20 mm diameter mandrel.
    • 根据本发明实施例的光纤包括:从中心线延伸到半径R 1 1的玻璃芯,其中R 1大于约5μm; 围绕并与芯接触的玻璃包层,所述包层包括:(i)从半径R 1> 1延伸到半径R 2的第一环形区域,所述第一环形 包括径向宽度的区域,(2)从半径R 2 到半径R 3 3,并且包括径向宽度,W 3 3 = R 3→R 2 和(iii)围绕第二环形区域并从半径R 3 3延伸到最外玻璃半径R 4的第三环形区域; 其中所述芯包括相对于所述第三环形区域的最大相对折射率α1 max,并且其中Δ1MAX1大于约0.1%且小于约0.3% ; 第一环形区域的折射率Δθ2(r)小于约0.025%; 其中所述第二环形区域相对于所述第三环形区域包括最小相对折射率β3ININ; 其中α1 M 1 M 2 M 2 M 3 M 3 M 1 M 2 N M N N N > <0; 并且其中所述芯和所述包层提供具有小于1500nm的电缆截止的光纤,并且在1550nm处的有效面积大于95μm2,并且对于20°的弯曲损耗为0.5dB / mm直径心轴。