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Easy bend fiber characteristics (ITU-G.657B3)

1
G657B3 optic fiber
DETAILS
Easy bend fiber characteristics (ITU-G.657B3)
CategoryDescription
Specifications
Optical SpecificationsAttenuation@1310nm≤0.35dB/km
@1383nm≤0.30dB/km
@1490nm≤0.24dB/km
@1550≤0.20dB/km
@1625≤0.23dB/km
Attenuation Non-uniformity@1310nm, 1550nm≤0.05dB
Point Discontinuity@1310nm, 1550nm≤0.05dB
Attenuation vs Wavelength@1285nm - 1330nm≤0.03dB/km
@1525nm - 1575nm≤0.02dB/km
Zero Dispersion Wavelength
1304nm-1324nm
Zero Dispersion Slope
≤0.092ps/ (nm2·km)
Dispersion@1550nm≤18ps/ (nm·km)
@1625nm≤ 23ps/ (nm·km)
PMD Link Design Value
(m=20 Q=0.01%)
≤0.06ps√km
Maximum Individual Fiber
≤0.2ps√km
Cable Cut-off wavelength(λ cc)
≤1260nm
Macro Bending Loss (1turns; Φ10mm)@1550nm≤0.30dB
@1625nm≤1.50dB
Mode Field Diameter@1310nm8.6±0.4µm
@1550nm9.65±0.5µm
Dimensional Specifi-cationsFiber Curl Radius
≥4.0m
Cladding Diameter
125±0.7µm
Core / Clad Concentricity
≤0.5µm
Cladding Non-circularity
≤0.7%
Coating Diameter
242±5µm
Coating / Cladding Concentricity
≤12µm
Mechanical Specifi-cationsProof Test
≥100kspi (0.7GPa)

Environment Specification
 1310 & 1550 & 1625nm



 		Fiber Temperature Dependence-60oC~ +85oC≤0.05dB/km
Temperature Humidity Cycling-10oC~+85oC;up to 98%RH≤0.05dB/km
Heat Aging Induced Attenuation85±2oC≤0.05dB/km
Water Immersion Induced23±2oC≤0.05dB/km
Damp Heat85oC at 85% RH≤0.05dB/km

 


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