G657A1/A2/B3 optical

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Easy bend fiber characteristics (ITU-G.657A2)

G657A2 optic fiber

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Easy bend fiber characteristics (ITU-G.657A2)
 
JINXINGTONG -ITU-T G.657.A2
CharacteristicsConditionsSpecified valuesUnits
  Optical Characteristics
Attenuation1310nm≤0.35[dB/km]
1383nm≤0.35[dB/km]
1460nm≤0.25[dB/km]
1490nm≤0.23[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]
Zero Dispersion Wavelength (a) 1300-1324[nm]
Zero Dispersion Slope(S) ≤0.092[ps/(nm²·km)]
PMDMaximum Individual Fibre ≤0.1[ps/ √km]
Link Design Value (M=20,Q=0.01%) ≤0.06[ps/ √km]
TypicalValue 0.04[ps/ √km]
Cable Cutoff Wavelength (λ) ≤1260[nm]
Mode Field Diameter (MFD)1310nm8.49.2[um]
1550nm9.3-10.3[um]
Effective Group Index of Refraction(N)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[μm]
Coating-Cladding Concentricity Error ≤12.0[μm]
Coating Non-Circularity ≤6.0[%]
Core-Cladding Concentricity Error ≤0.5[μm]
Curl(radius) ≥4[m]
Delivery Length Upto 50.4[km/reel]
  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 Specifications
Proof Test ≥9.0[N]
 ≥1.0%]
 ≥10[kpsi]
Macro-bend
Induced Loss



































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