| Customization: | Available |
|---|---|
| Type: | Anti-Interference Fiber Drum |
| Output Signal Type: | Number |
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| Fiber optic overall indicators (with outer wrapping layer) | |
| 1 | Outer diameter: ≤ 0.26 0.3 0.35 mm |
| 2 | Attenuation coefficient: The attenuation of the optical signal at a wavelength of 1310nm is less than 0.35 dB/km, and at a wavelength of 1550nm, the attenuation is |
| 3 | Reduce by less than 0.21 dB/km |
| 4 | Tensile strength:>60N (ordinary)+120 N (high-end) |
| 5 | Bending radius: ≤ 5 mm |
| 6 | Density: Micro negative buoyancy |
| 7 | Maximum laying distance:>20 km |
| Dimensional parameters of the inner fiber core | |
| Project | Technical index |
| Mode field diameter (at 1310nm) | (8.60±0.40) μm |
| Mode field diameter (at 1550nm) | (9.80±0.50) μm |
| Cladding diameter | (125.0±0.7) μm |
| Concentricity error of the package | ≤0.5 μm |
| Cladding non-circularity | ≤1.0 % |
| Coating diameter | (245±10) μm |
| Outer coating cladding concentricity error | ≤10 μm |
| Cut off wavelength of the inner fiber core | |
| 2-meter coated optical fiber cut-off wavelength λ c (nm) | 1150 ≤ λc ≤ 1330 |
| 22-meter fiber optic cable cut-off wavelength λ cc maximum value (nm) | 1260 |
| Attenuation of the inner fiber core | |
| Wavelength | Attenuation characteristics |
| @1310nm dB/km | ≤0.35 |
| @1383nm dB/km | ≤0.35 |
| @1550nm dB/km | ≤0.21 |
| @1625nm dB/km | ≤0.23 |
| Macro bending additional loss of inner fiber core | |||
| Spindle diameter | Number of laps | Wavelength | Additional loss |
| 30 mm | 10 | 1550 nm | ≤0.03 dB |
| 1625 nm | ≤0.1 dB | ||
| 20 mm | 1 | 1550 nm | ≤0.1 dB |
| 1625 nm | ≤0.2 dB | ||
| 15 mm | 1 | 1550 nm | ≤0.5 dB |
| 1625 nm | ≤1.0 dB | ||
| Wavelength dispersion of inner fiber core | |||
| Dispersion characteristics | Zero dispersion wavelength λ 0 | (1300~1324) nm | |
| Zero dispersion slope S0 | ≤0.092 ps/(nm2.km) | ||
| At 1288-1339nm D (λ) | ≤3.5 ps/(nm.km) | ||
| Between 1271-1360nm D (λ) | ≤5.3 ps/(nm.km) | ||
| At 1550nm D (λ) | ≤18 ps/(nm.km) | ||
| At 1625nm D (λ) | ≤22 ps/(nm.km) | ||
| Polarization Mode Dispersion Coefficient (PMD) | ≤ 0.2 ps/km1/2 (single fiber) | ||
| ≤ 0.1 ps/km1/2 (link value) | |||
| Note: The formula for calculating the dispersion coefficient in the range of 1200-1600nm is D (λ)=S0/4 × (λ - λ 04/λ 3) ps/(nm. km) | |||
| Mechanical properties of the inner fiber core | ||
| Test project | Technical Index | |
| Screening level | Screening strain ≥ 2.0% (screening tension 19.6 N) | |
| Coating peeling force | Peak value: 1.0 ≤ F ≤ 8.9 (N) | |
| Average value: 1.0 ≤ F ≤ 5.0 (N) | ||
| Dynamic fatigue index | ≥ 20 nd | |
| Tensile strength of short optical fiber (gauge length 0.5m) | Weibull probability level 50% | ≥ 3.8 Gpa |
| Weibull probability level 15% | ≥ 3.14 Gpa | |
| Fiber optic bending radius R | ≥ 4 m | |
| Mechanical properties of the inner fiber core | ||
| Test project | Technical Index | |
| Screening level | Screening strain ≥ 2.0% (screening tension 19.6 N) | |
| Coating peeling force | Peak value: 1.0 ≤ F ≤ 8.9 (N) | |
| Average value: 1.0 ≤ F ≤ 5.0 (N) | ||
| Dynamic fatigue index | ≥ 20 nd | |
| Tensile strength of short optical fiber (gauge length 0.5m) | Weibull probability level 50% | ≥ 3.8 Gpa |
| Weibull probability level 15% | ≥ 3.14 Gpa | |
| Fiber optic bending radius R | ≥ 4 m | |
| Mechanical properties of the inner fiber core | |||
| Project | Additional attenuation (dB/km) | ||
| 1310nm | 1550nm | 1625nm | |
| Temperature variation characteristics(-60 ºC~+85 ºC, 2 cycles) | ≤0.05 | ≤0.05 | ≤0.05 |
| Constant humidity and heat (85 ºC± 2 ºC, relative humidity not less than 85%, stored for 30 days) | ≤0.05 | ≤0.05 | ≤0.05 |
| Immerse in water (23 ºC± 2 ºC, leave for 30 days) | ≤0.05 | ≤0.05 | ≤0.05 |
| Dry heat (85 ºC± 2 ºC, stored for 30 days) | ≤0.05 | ≤0.05 | ≤0.05 |
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