G657A1/A2/B3 optical

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Easy bend fiber characteristics (ITU-G.657A1)

G.657.A1 optic fiber

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Product Details

JINXINGTONG -ITU-T G.657.A1 
CharacteristicsConditionsSpecified valuesUnits
   Optical Characteristics
Attenuation1310nm≤0.35[dB/km]
1383nm≤0.35[dB/km]
1460nm≤0.25[dB/km]
1550nm≤0.21[dB/km]
1625nm≤0.23[dB/km]
Attenuation vs.Wavelength
Max.a difference		1285-1330nm,in reference to 1310nm≤0.03[dB/km]
1525-1575nm,in reference to 1550nm≤0.02[dB/km]
Dispersion Coefficient1285-1340nm3.5to 3.5[ps/(nm·km)]
1550nm≤18[ps/(nm·km)]
1625nm≤22[ps/(nm·km)]
Zero Dispersion Wavelength(λ) 1300-1324[nm]
Zero Dispersion Slope(S) ≤0.092[ps/(nm²·km)]
Typical Value 0.086[ps/(nm²·km)]
PMDMaximum Individual Fibre ≤0.1[ps/ √km]
LinkDesign Value(M=20,Q=0.01%) ≤0.06[ps/ √km]
TypicalValue 0.04[ps/ √km]
Cable Cutoff Wavelength () ≤1260[nm]
Mode Field Diameter (MFD)1310nm8.4-9.2[μm]
1550nm9.3-10.3[μm]
Effective Group Index of Refraction(Ne)1310nm1.466 
1550nm1.467 
Point Discontinuities1310nm≤0.05[dB]
1550nm≤0.05[dB]
   Geometrical Characteristics
Cladding Diameter 125.0±0.7[um]
Cladding Non-Circularity ≤0.7[%]
Coating Diameter 235-245[um]
Coating-Cladding Concentricity Eror ≤12.0[μm]
Coating Non-Circularity ≤6.0[%]
Core-Cladding Concentricity Error-=≤0.5[μm]
Curl(radius) ≥4[m]
      
Environmental Characteristics1310nm,1550nm&1625nm
Temperature Dependence Induced Attenuation60°℃ to+85℃≤0.05[dB/km]
Temperature-Humidity Cycling Induced Attenuation-10℃to+85℃,98%RH≤0.05[dB/km]
Watersoak Dependence Induced Attenuation23℃,for 30 days≤0.05[dB/km]
Damp Heat Dependence Induced Attenuation85°℃and 85%RH,for 30 days≤0.05[dB/km]
Dry Heat Aging85℃,for 30 days≤0.05[dB/km]
   Mechanical 
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