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DurableAccessm™ bend insensitive single-mode fiber exceeds the requirements oflTU-T G.657.A1 and can fully utilize the 1260-1625nm wavelength band for transmission. lt has better bending performance within the bending radius range of 10-15mm, making it suitable for FTTH and accurate dimension ensures low splicing loss and high splicing efficiency, excellent mechanical properties and environmenta characteristics ensure stable performance ofoptical fibers in various usage environments.
Optical Characteristics
Attenuation
| 1310nm |
≤0.35 dB/km |
|
1383nm |
≤0.33 dB/km |
|
1550%nm |
≤0.21 dB/km |
|
1625nm |
≤0.23 dB/km |
Point Discontinuity
|
1310/1550%nm≤0.02 dB/km |
Macro bending Induced Attenuation
|
Bending radius |
Number of Turns |
Wavelength |
Attenuation |
|
10mm |
1 |
1550nm |
≤0.75dB |
|
10mm |
1 |
1625nm |
≤1.50%dB |
|
15mm |
10 |
1550nm |
≤0.25dB |
|
15mm |
10 |
1625nm |
≤1.00dB |
Cut-off Wavelength
|
Cable cut-off wavelength(λcc)≤1260nm |
Mode Field Diameter (MFD)
|
MFD at 1310nm |
8.6±0.4μm |
Dispersion
|
Zero-dispersion wavelength |
1300-1324nm |
|
Zero-dispersion slope |
≤0.092ps/nm2/km |
|
Dispersionat 1550 wavelength |
≤18.6ps/nm/km |
Polarization Mode Dispersion
|
Max. individual fiber PMD |
≤0.2ps/√km |
|
PMD link design value |
≤0.1ps/√km |
Geometric Characteristics
|
Cladding diameter |
125±0.7μm |
|
Core/clad concentricity error |
≤0.5μm |
|
Cladding non-circularity |
≤1.0% |
|
Fiber curl R |
≥4m |
|
Coating diameter |
245±10μm |
|
Coating-Cladding Concentricity |
≤10μm |
Mechanical Characteristics
Proof Test
|
Proof stress level |
1.52GPa（2.2%，220kpsi，19.6N） |
Strip Force
|
Force（peak） |
1.0N≤F≤8.9N |
|
Force（average） |
1.0N≤F≤5.0N |
Tensile Strength
|
Unaged (median; 0.5m) |
≥3.80GPa（≥550kpsi） |
|
Aged (median; 0.5m) |
≥3.14GPa（≥460kpsi） |
Dynamic fatigue parameters
|
Fatigue≥20 |
Environmental Characteristics
|
Test items |
Conditions |
Induced Attenuation at 1550, 1625nm |
|
Temperature |
-60℃ to﹢85℃ |
≤0.03dB/km |
|
Water Immersion |
﹢23℃/30 Days |
≤0.03dB/km |
|
Steady damp-heat |
﹢85℃/85%RH/30 Days |
≤0.03dB/km |
|
Dry heat aging |
﹢85℃/30 Days |
≤0.03dB/km |