Optikai kábelekben alkalmazott szálak
G.652DSingle-mode fiber characteristics | |||
Characteristic | Condition | Data | Unit |
Optical properties | |||
Attenuation | 1310nm | ≤0.35 | dB/km |
1383nm | ≤0.34 | dB/km | |
1550nm | ≤0.21 | dB/km | |
1625nm | ≤0.24 | dB/km | |
Relative wavelength attenuation | |||
@1310nm | 1285~1330nm | ≤0.03 | dB/km |
@1550nm | 1525~1575nm | ≤0.02 | dB/km |
Dispersion inthewavelength range of | 1550nm | ≤18 | ps/(nm.km) |
Zero dispersion wavelength | 1312±10 | nm | |
A zero-dispersion slope | ≤0.092 | ps/(nm2.km) | |
zero-dispersion slope typical value | 0.086 | ps/(nm2.km) | |
Cable cut-off wavelength λcc | ≤1260 | nm | |
Mode field diameter MFD | 1310nm | 9.2±0.4 | μm |
1550nm | 10.4±0.5 | μm | |
Effective group refractive index | 1310nm | 1.466 | |
1550nm | 1.467 | ||
Attenuation discontinuities | 1310nm | ≤0.05 | dB |
1550nm | ≤0.05 | dB | |
Geometric characteristics | |||
The diameter of the cladding layer | 124.8±0.7 | μm | |
Cladding roundness | ≤0.70 | % | |
Coating diameter | 245±5 | μm | |
Coating / package concentricity error | ≤12.0 | μm | |
Coating no roundness | ≤6.0 | % | |
Core / package concentricity error | ≤0.5 | μm | |
The warpage (radius) | ≥4 | m | |
Environmental characteristics(1310nm,1550nm,1625nm) | |||
Temperature additional attenuation | -60°C~+85°C | ≤0.05 | dB/km |
Flooding additional attenuation | 23°C,30 days | ≤0.05 | dB/km |
Hot and humid additional attenuation | 85°C and 85%Relative humidity, 30 days | ≤0.05 | dB/km |
Dry heat aging | 85°C | ≤0.05 | dB/km |
Mechanical properties | |||
Screening tension | ≥9.0 | N | |
The macrobendAdditionalattenuation | 1550nm | ≤0.05 | dB |
1Circle 32mm | 1310nm and 1550nm | ≤0.05 | dB |
100Circle 50mm | 1625nm | ≤0.05 | dB |
100Circle 60mm | |||
Coating peeling force | Typical average | 1,5 | N |
≥1.3 ≤8.9 | N | ||
Dynamic fatigue parameters | ≥20 |