编号 No. | 项目Items | 单位Unit | 参数Specification |
G.657A2 |
1 | 模场直径Mode Field Diameter | 1310nm | μm | 8.8±0.4 |
1550nm | μm | 9.8±0.5 |
2 | 包层直径Cladding
Diameter | μm | 124.8±0.7 |
3 | 包层不圆度Cladding Non-Circularity | % | ≤0.7 |
4 | 芯/包层同心度误差Core-Cladding
Concentricity Error | μm | ≤0.5 |
5 | 涂覆层直径Coating Diameter | μm | 245±5 |
6 | 涂覆层不圆度Coating Non-Circularity | % | ≤6.0 |
7 | 包层/涂覆层同心度误差Cladding-Coating
Concentricity Error | μm | ≤12.0 |
8 | 光缆截止波长Cable Cutoff
Wavelength | nm | λcc≤1260 |
9 | 衰减系数Attenuation(max.) | 1310nm | dB/km | ≤0.35 |
1550nm | dB/km | ≤0.21 |
10 | 宏弯附加衰减Macro-Bending
Loss | 1turn×7.5mm radius @1550nm | dB | ≤0.5 |
1turn×7.5mm radius @1625nm | dB | ≤1.0 |
| | | | | |
