|
|
 Optical & Geometrical Properities for Multimode Fibers
Parameter |
50/125 |
62.5/125 |
Units |
Fiber Code |
5 |
4 |
6 |
- |
ISO/IEC 11801 Classifi cation(2)O |
|
|
|
- |
Attenuation, Loose Tube Cables |
|
|
|
@850nm |
≤3.0 |
≤3.0 |
dB/km |
@1300nm |
≤0.8 |
≤0.8 |
dB/km |
Attenuation, Tight Buffer and Semi-tight Cables |
|
|
|
@850nm |
≤3.0 |
≤3.5 |
dB/km |
@1300nm |
≤1.0 |
≤1.0 |
dB/km |
Bandwidth﹡ |
@850nm |
≥500 |
≥2000 |
≥200 |
MHz*km |
|
@1300nm |
≥800/500 |
≥500 |
≥500/600 |
MHz*km |
Numerical Aperture |
0.20±0.015 |
0.275±0.015 |
- |
Core Diameter |
50±3 |
62.5±3 |
um |
Cladding Diameter |
125±2 |
125±2 |
um |
Core/Cladding Concentricity |
≤1.5 |
≤1.5 |
um |
Core Non-Circularity |
≤6 |
≤6 |
% |
Cladding Non-Circularity |
≤2 1 |
≤2 1 |
% |
Core/Cladding Offset |
≤3 |
≤3 |
um |
Coating Diameter |
245±10 |
245±10 |
um |
Proof-Test Level |
100 (0.7) |
100 (0.7) |
Kpsi (GN/m2) |
Fatigue Coeffi cient |
≥20 |
≥20 |
|
Temperature Dependence between 0℃ - 70℃ |
0.1 |
0.1 |
dB |
|
|
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