G.657.A1 singlemode fiber
Classification :
Keywords:
Single-mode fiber
Specification
| Characteristics | Conditions | Specified values | Units | |
| Optical Specifications | ||||
| Attenuation | 1310nm | ≤0.35 | [dB/km] | |
| 1383nm（after H2-aging） | ≤0.35 | [dB/km] | ||
| 1550nm | ≤0.21 | [dB/km] | ||
| 1625nm | ≤0.23 | [dB/km] | ||
| Attenuation vs. Wavelength Max. α difference |
1285-1330nm, in reference to 1310nm | ≤0.03 | [dB/km] | |
| 1525-1575nm, in reference to 1550nm | ≤0.02 | [dB/km] | ||
| 1460-1625nm, in reference to 1550nm | ≤0.04 | [dB/km] | ||
| Zero Dispersion Wavelength (λ0) | -- | 1300-1324 | [nm] | |
| Zero Dispersion slpoe（S0） | -- | ≤0.092 | [ps/(nm2·km）] | |
| PMD | Maximum Individual Fibre | -- | ≤0.2 | [ps/√km] |
| Link Design Value（M=20，Q=0.01%) | -- | ≤0.1 | [ps/√km] | |
| Typical Value | -- | 0.04 | [ps/√km] | |
| Cable Cut-off Wavelength (λCC) | -- | ≤1260 | [nm] | |
| Mode Field Diameter（MFD） | 1310nm | 8.4-9.2 | [μm] | |
| 1550nm | 9.3-10.3 | [μm] | ||
| Effective Group Index（Neff ） | 1310nm | 1.466 | -- | |
| 1550nm | 1.467 | -- | ||
| Point Discontinuities | 1310nm | ≤0.05 | [dB] | |
| 1550nm | ≤0.05 | [dB] | ||
| Geometrical Specifications | ||||
| Cladding Diameter | -- | 125.0±0.7 | [μm] | |
| Cladding Non-Circularity | -- | ≤0.7 | [%] | |
| Coating Diameter | -- | 190-210 | [μm] | |
| Coating/Cladding Concentricity Error | -- | ≤10 | [μm] | |
| Coating Non-Circularity | -- | ≤6 | [%] | |
| Core/Cladding Concentricity Error | -- | ≤0.5 | [μm] | |
| Curl(radius) | -- | ≥4 | [m] | |
| Delivery Length | -- | Up to 50.4 | [km] | |
| Environmental Specifications | 1310nm, 1550nm & 1625nm | |||
| Temperature Dependence Induced Attenuation | -60℃ to +85℃ | ≤0.05 | [dB/km] | |
| Temperature-Humidity Cycling Induced Attenuation | -10°C to +85°C, 98% RH | ≤0.05 | [dB/km] | |
| Watersoak Dependence Induced Attenuation | 23°C，for 30 days | ≤0.05 | [dB/km] | |
| Damp Heat Dependence Induced Attenuation | 85°C and 85% RH，for 30 days | ≤0.05 | [dB/km] | |
| Dry Heat Aging | 85℃，for 30 days | ≤0.05 | [dB/km] | |
| Mechanical Specifications | ||||
| Proof Test | -- | ≥9.0 | [N] | |
| -- | ≥1.0 | [%] | ||
| -- | ≥100 | [kpsi] | ||
| Macro-bend Induced Attenuation | 10 Turn Around a Mandrel of 15 mm Radius | 1550 | ≤0.03 | [dB] |
| 10 Turn Around a Mandrel of 15 mm Radius | 1625 | ≤0.1 | [dB] | |
| 1 Turn Around a Mandrel of 10 mm Radius | 1550 | ≤0.1 | [dB] | |
| 1 Turn Around a Mandrel of 10 mm Radius | 1625 | ≤0.2 | [dB] | |
| 1 Turn Around a Mandrel of 7.5 mm Radius | 1550 | ≤0.5 | [dB] | |
| 1 Turn Around a Mandrel of 7.5 mm Radius | 1625 | ≤1.0 | [dB] | |
| Dynamic Fatigue Parameter (nd) | -- | ≥20 | -- | |
Packaging and Shipping
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- Note -
Whether in fiber count, jacket material, or length, Yuzhou Fiber offers flexible customization services. Besides, if you have any special requirements for packaging or labeling, we will try our best to meet them. Please send us your specific requirements.
Yuzhou Fiber suggests that purchasing fiber optic cables in bulk is generally more cost-effective. This is because bulk production allows us to offer competitive volume discounts, helping you reduce overall project costs. If you are interested in purchasing fiber optic products, contact us today to get a quote. We will get back to you as soon as possible. Thank you for choosing us!
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