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Fiber Optic Cables |  |
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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 | |