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 |
|
