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 |
