The properties of single mode optical fiber (ITU-T Rec. G.652D)
| Item | Specification |
| Fiber type | Single mode |
| Fiber material | Doped silica |
| Attenuation coefficient @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
≤ 0.36 dB/km ≤0.32 dB/km ≤0.22 dB/km ≤0.30 dB/km |
| Point discontinuity | ≤ 0.05 dB |
| Cable cut-off wavelength | ≤ 1260 nm |
| Zero-dispersion wavelength | 1300 ~ 1324 nm |
| Zero-dispersion slope | ≤0.093 ps/(nm².km) |
| Chromatic dispersion @ 1288 ~ 1339 nm @ 1271 ~ 1360 nm @ 1550 nm @ 1625 nm |
≤3.5 ps/(nm. km) ≤5.3 ps/(nm. km) ≤18 ps/(nm. km) ≤22 ps/(nm. km) |
| PMD | ≤0.2 ps/km½ |
| Mode field diameter @ 1310 nm | 9.2±0.4 um |
| Core / Clad concentricity error | ≤0.5 um |
| Cladding diameter | 125.0 ± 0.7 um |
| Cladding non-circularity | ≤1.0% |
| Primary coating diameter | 245 ± 10 um |
| Proof test level | 100 kpsi (=0.69 Gpa), 1% |
| Temperature dependence 0℃~ +70℃ @ 1310 & 1550nm |
≤ 0.1 dB/km |
Temperature range
| Operating temperature range | -40℃ to +60℃ |
| Storage / Transport temperature range | -50℃ to +70℃ |
| Installation temperature range | -30℃ to +50℃ |
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Features
1.Good mechanical and temperature performance
2.High strength loose tube that is hydrolysis resistant
3.special tube filling compound ensure a critical protection of fiber
4.Crush resistance and flexibility
5.The following measures are taken to ensure the cable watertight:
6.Single Fiber Reinforced Plastic as the central strength member
7.Loose tube filling compound
8.100% cable core filling
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