SpecificationData性能分类性能参数项目SpecificationItemsFontex-SFontex光学特性（光学特性）光学等级FiberrankSuperStandard衰减（dB/km)@850nmAttenuation(dB/km)@850nm<=60<=70衰减（dB/km)@1300nmAttenuation(dB/km)@13000nm<=60<=70带宽(MHz.km)@850nmBandwidth@850nm>=600>=350带宽(MHz.km)@1300nmBandwidth@1300nm>=600>=350零色散波长范围Zero-dispersionw***elength1580nm1580nm零色散斜率***大值Zero-dispersionslope0.0291(ps/nm^2*km)0.0291(ps/nm^2*km)850-1310nm***大色散系数***值Maximumabsolutevalueofdispersioncoefficient@850nm-1310nmNospecified同左纤芯折射率CorerefractiveIndex1.35同左纤芯包层折射率CladdingrefractiveIndex1.328同左截止波长λccCut-offw***elengthλccNotapplicable同左数值孔径NumericalAperture0.245&plu***n;0.015同左背向散射特性(？)局部不连续点PointDiscontinuityNotspecified同左光纤衰减不均匀性AttenuationuniformityNotspecified同左双向背向散射系数差BidirectionalbackscattercoefficientdifferenceNotspecified同左)