CONFIGURATION AND ORDER OF FIBER OPTIC CABLE
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Parameters of multimode optical fibres:
Parameters | Значения для ОВ типа | |
50 | 62,5 | |
Core diameter, μm | 50 ±3,0 | 62,5 ±3,0 |
Sheath diameter, μm | 125 ±2,0 | 125 ±2,0 |
Eccentricity of sheath core, μm | 3 | 3 |
Non-circularity of sheath, % | 2 | 2 |
Diameter of protective coating, μm | 245 ±10 | 245 ±10 |
Operating wavelength, Nm | 1300 | 1300 |
Attenuation constant, not over, dB/km | 0,7 | 0,7 |
Numerical aperture | 0,20 ±0,015 | 0,275 ±0,015 |
Bandwidth factor, over, MHz•km | 600 | 600 |
Parameters of single-mode optical fibres:
Parameters | Значения для ОВ типа | |
10 | 9,5 | |
Attenuation constant, dB/km on 1310 nm wavelength on 1550 nm wavelength |
0,35 0,22 |
– 0,25 |
Chromatic dispersion, ps/nm - km: on 1285-1330 nm wavelength on 1550 nm wavelength |
3,5 1,8 |
(1530-1565 nm) 1,0-6,0 |
Slope of dispersion curve in zero point, ps/nm – km2 | 0,092 | – |
Cutoff wavelength, nm | 1100-1330 | – |
Polarized mode dispersion ps/km | 0,5 |