Optical characteristics (uncabled fiber)
|
Wavelength (nm)
|
Maximum attenuation value (dB /km)
|
|
1310
|
0.34
|
|
1550
|
0.20
|
|
1625
|
0.24
|
|
Other values are provided as required by the customer
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Attenuation wavelength characteristics
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Wavelength range (nm)
|
Reference wavelength λ (Ωm)
|
Attenuation difference (dB/km)
|
|
1285-1330
|
1310
|
≤ 0.03
|
|
1525-1575
|
1550
|
≤ 0.02
|
Decay point discontinuity
Point discontinuity maxima at 1310nm and 1550nm wavelengths 0.05dB
Macro bending loss
|
Number of circles
|
Diameter (mm)
|
Wavelength (nm)
|
Additional Attenuation (dB)
|
|
100
|
50
|
1310
|
≤ 0.05
|
|
100
|
50
|
1550
|
≤ 0.05
|
|
100
|
60
|
1625
|
≤ 0.05
|
Cut-off wavelength
Optical cable cutoff wavelength (λcc) ≤ 1260nm
Mode field diameter
|
Wavelength (nm)
|
MFD (μm)
|
|
1310
|
8.7-9.5
|
|
1550
|
9.6-10.8
|
Dispersion
|
Wavelength (nm)
|
Dispersion (ps/√KM)
|
|
1285-1330
|
≤ | 3.4 |
|
|
1550
|
≤ 18.0
|
|
1625
|
≤ 22.0
|
|
Zero dispersion wavelength (λ 0)
|
1300-1324
|
|
Zero dispersion slope (S 0)
|
≤0.091ps(nm2 ·km)
|
Polarization Mode Dispersion (PMD)
|
Polarization mode dispersion (PMD)
|
ps/√KM
|
|
Fiber link value $(\mathrm {M}= 20,\mathrm {Q}= 0.01\%)$
|
≤ 0.06
|
|
Typical value
|
0.04
|
|
Single-disc fiber maximum
|
≤ 0.1
|
Geometric characteristics
|
Geometric dimensions of glass
|
|
Claddings diameter
|
125.0±1.0μm
|
|
Core/cladding concentricity error
|
≤ 0.6μm
|
|
Claddings out of roundness
|
≤ 1.0%
|
|
Fiber warp (radius)
|
≥ 4m
|
|
Coating geometry
|
|
Coating diameter
|
245±7μm
|
|
Coating/cladding concentricity error
|
≤ 12.0μm
|
|
Clad out-of-roundness
|
≤ 6.0%
|
Mechanical characteristics
Screening test
Full-reel fiber tensile screening tension> 0.75Gpa(109kpsi), 1.0% strain
Tensile Strength
Dynamic tensile strength (0.5m gauge length):
**Aged and unaged median, 3.8GPa (550kpsi)
**Aging environment: 85℃, 85% RH, 30 days
Dynamic fatigue parameters
Dynamic fatigue parameters (unaged and aged ***) Nd≥ 20
Coating stripping performance
Coating peel force (unaged and aged *** ):
Average: 1.0N to 5.0N
Peak: 1.3N to 8.9N
*** Environmental aging
30 days, 85℃, relative humidity 85% RH
30 days, water immersion (23℃)
Environmental characteristics
|
Test item
|
Test conditions 1310/1550nm
|
Additional attenuation (dB/km)
|
|
Temperature cycle
|
-60℃ ~ +85℃
|
≤ 0.05
|
|
Immersion
|
23℃, 30 days
|
≤ 0.05
|
|
Dry heat
|
85℃, 30 days
|
≤ 0.05
|
|
Damp heat
|
85℃; 85% RH, 30 days
|
≤ 0.05
|
Typical parameter values
|
Typical zero dispersion slope
|
0.085ps(nm2 ·km)
|
|
Effective group refractive index @ 1310nm
|
1.467
|
|
Effective group refractive index @ 1550nm
|
1.468
|
|
Effective group refractive index @ 1625nm
|
1.468
|
|
Rayleigh backscattering coefficient (1ns pulse width)
|
@1310nm - 79.4dB
@1550nm - 81.7dB
@1625nm - 82.5dB
|
|
Median dynamic tensile strength (after aging) 5.5Gpa (750kpsi)
(Aging environment: 30 days, 85℃, 85% RH; 0.5m gauge length)
|