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    • 8. 发明授权
    • Dispersion compensation fiber
    • 色散补偿光纤
    • US09140851B2
    • 2015-09-22
    • US14009324
    • 2012-03-13
    • Shuqiang ZhangMingfeng FanSong WangJin XuJie LuoBeibei Cao
    • Shuqiang ZhangMingfeng FanSong WangJin XuJie LuoBeibei Cao
    • G02B6/036G02B6/02
    • G02B6/03666G02B6/02214G02B6/02261G02B6/03644
    • A dispersion compensation fiber comprises a fiber core and cladding. The fiber core is a core layer mainly doped with germanium and having a positive relative refractive index difference. The cladding covering the fiber core comprises a trench cladding mainly doped with fluorine, an annular cladding mainly doped with germanium, a matching cladding mainly doped with fluorine, and an outermost mechanical cladding in order. Relative refractive index differences of the fiber core and the claddings are respectively: Δ1% being 1.55% to 2.20%, Δ2% being −0.55% to −0.30%, Δ3% being 0.40% to 0.65%, Δ4% being −0.20% to −0.01%, and Δ5% being 0. Radius ranges, from R1 to R5, of the fiber core and the claddings are respectively: R1 being 1.4 to 1.7 μm, R2 being 4.1 to 4.8 μm, R3 being 6.7 to 8.8 μm, R4 being 10 to 17 μm, and R5 being 38 to 63 μm.
    • 色散补偿光纤包括光纤芯和包层。 纤维芯是主要掺杂锗并且具有正的相对折射率差的芯层。 覆盖纤维芯的包层包括主要掺杂有氟的沟槽包层,主要掺杂有锗的环形包层,主要掺杂有氟的匹配包层以及最外层机械包层。 纤维芯和包层的相对折射率差异分别为:&Dgr; 1%为1.55%至2.20%,&Dgr; 2%为-0.55%至-0.30%,&Dgr; 3%为0.40%至0.65%,&Dgr ; 4%为-0.20%至-0.01%,&Dgr; 5%为0.纤维芯和包层的半径范围为R1至R5分别为:R1为1.4〜1.7μm,R2为4.1〜4.8 μm,R3为6.7〜8.8μm,R4为10〜17μm,R5为38〜63μm。