Fiber Optic Cables  
 

Optical & Geometrical Properities for Single Mode Fibers

 

Parameter   Standard Single Mode Fiber per ITU-T G.652D Non-zero Dispersion Shifted fi ber per ITU-T G.655 Non-zero Dispersion Shifted fi ber per ITU-T G.656 Units
    9 8 7  
Attenuation, Loose Tube Cables Standard Metro Area Long Haul  
  @1310nm ≤0.35 - - dB/km
  @1550nm ≤0.22 ≤0.22 ≤0.22 dB/km
  @1625nm ≤0.25 ≤0.26 ≤0.26 dB/km
Attenuation, Tight Bufferor Semi-Tight Cables      
  @1310nm ≤0.38 - dB/km
  @1550nm ≤0.28 - dB/km
         
Chromatic Dispersion between 1260 and 1360nm (O Band) ≤3.5 NA- - ps/(nm*km)
  between 1460 and 1530nm(S Band) - - 2.0-7.0 ps/(nm*km)
  between 1530 and 1565nm (C Band) ≤18 1.0-10.0 7.0-10.0 ps/(nm*km)
  between 1565 and 1625nm (L Band) ≤22 7.0-12.0 10.0-14.0 ps/(nm*km)
Zero Dispersion Wavelength 1310±11 ≤1520 ≤1420 nm
Zero Dispersion Slope 0.093 0.093 0.093 ps/(nm2.km)
Point Discontinuity at 1300nm& 1550nm 0.1 0.1 0.1 dB
Mode Field Diameter @1300nm 9.3±0.5 -   um
  @1550nm 10.4±0.8 8.5±0.6 9.0±0.5 um
Cable Cut-offWavelength ≤1260 ≤1450 ≤1310 nm
PMD (Individual fi ber) ≤0.2 ≤0.2 ≤0.2 ps/km1/2
Cladding Diameter 125±1 125±1 125±1 um
Core/Cladding Concentricity Error ≤0.5 ≤0.5 ≤0.6 um
Cladding Non-Circularity ≤1.0 ≤1.0 ≤1.0 %
Coating Non-Circularity ≤6.0 ≤6.0 ≤6.0 %
Primary Coating Diameter 245±10 245±10 245±10 um
Proof-Test Level 100 (0.7) 100 (0.7) 100 (0.7) Kpsi/GN/m2
Fatigue Coeffi cient ≥20 ≥20 ≥20  
Temperature Dependence between 0℃ ~ +70℃ @ 1310 & 1550nm 0.1 0.1 0.1D b/km