Nanjing Wasin Fujikura of G.657A1 single mode fiber is the bending insensitivity fiber. Performance excelled ITU-TGB/T9771 the newest standard.
characteristic | characteristic | date | unit | |
Optical specifications | ||||
Attenuation coefficient | 1310nm1383nm1550nm1625nm | ≤0.35 ≤0.34≤0.21 ≤0.24 | dB/kmdB/kmdB/kmdB/km | |
Attenuation vs.Wavelength | @1310nm @1550nm |
1285~1330nm1525~1575nm | ≤0.04 ≤0.03 | dB/kmdB/km |
Wavelenth Dispersion | 1285~1340nm1550nm1625nm | ≥-3.5 ≤3.5≤18≤22 | ps / (nm·km)ps / (nm·km)ps / (nm·km) | |
Zero-dispersion wavelength | 1300~5324 | nm | ||
Zero-dispersion slope | ≤0.092 | ps/(nm2·km) | ||
Polarization Mode Dispersion PMD Single fiber maximal value Fiber link value(M=20, Q=0.01 %) | ≤0.20 ≤0.10 | ps/√kmps/√km | ||
cable cutoff wavelength | ≤1260 | nm | ||
Mode field diameter MFD | 1310nm | 9.2±0.4 | μm | |
Point discontinuity | 1550nm | ≤0.05 | dB | |
Dimensions performance | ||||
Cladding diameter | 125±0.7 | μm | ||
Cladding Non-circularity | ≤0.5 | % | ||
Outer coating diameter | 245±10 | μm | ||
Cladding/Coating Concentricity | ≤12.0 | μm | ||
Core/cladding concentricity | ≤0.5 | μm | ||
curvature(radius) | ≥4 | m | ||
length | 2.0~50.4 | km/reel | ||
Environmental perfbrmance(1310nm/1550nm) | ||||
Damp heat | 85℃, humidity≥85%, 30days | ≤0.05 | dB/km | |
Dry heat | 85℃±2℃, 30days | ≤0.05 | dB/km | |
Temperature Dependence | -60℃~ +85℃, two weeks | ≤0.05 | dB/km | |
Water immersion | 23℃±5℃, 30days | ≤0.05 | dB/km | |
Mechanical performance | ||||
Proof test level | ≥0.69 | GPa | ||
Macrobend loss 10 turns cp30mm 10 turnscp30mm1 tums(p20mm1 turns(p20mm | 1550nm1625nm1550nm1625mn | ≤0.25 ≤1.0≤0.75≤1.5 | dBdBdBdB | |
Strip force | 1.0~5.0 | N | ||
Dynamic fatigue parameter | ≥20 |