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2021 High quality Single Fiber - Singlemode Fiber- G.657A1 Singlemode Fiber – Wasin Fujikura Detail:
Nanjing Wasin Fujikura of G.657A1 single mode fiber is the bending insensitivity fiber. Performance excelled ITU-TGB/T9771 the newest standard.
performance
| 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 |
|
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