Shanghai Gengyun Industrial Co., Ltd
G.657.A1 Fiber Optic Bend Insensitive Bare Color Optical Fiber
G.657.A1 fiber optic has high refractive index, Insensitive to bending, mainly used for Access network, fiber to the home, high-density wiring applications.
No.T-OF002-G.657.A1 bend insensitive type-A1 G.657.A1 fiber optic complies with or exceeds the specification of ITU-T G.657 recommendation of type-A1 optical fiber. It complies with the requirements suggested by ITU-T G.652D and the standard of IEC60793-2-50 B1.3 type optical fiber. It is a bend-insensitive low water peak optical fiber with better macro-bend resistance performance.
Feature
- Insensitive to bending;
- Small core diameter, stable transmission signal;
- G.657.A1 fiber optic has high refractive index;
- Good dispersion characteristics;
- Strong compatibility;
Application
G.657.A1 fiber optic mainly used for Access network, fiber to the home, high-density wiring applications;
Technology Parameters
| Item | Unit | Technology Standard | ||||||
| Transmission Performance | ||||||||
| Attenuation at 1310nm | dB/km | ≤0.35 | ||||||
| Attenuation at 1550nm | dB/km | ≤0.21 | ||||||
| Attenuation at 1625nm | dB/km | ≤0.24 | ||||||
| Attenuation at 1383±3nm | dB/km | ≤0.35 | ||||||
| Attenuation discontinuity | dB | ≤0.03 | ||||||
| Attenuation-wavelength characteristic | dB/km | ≤0.03 | ||||||
| Zero dispersion wavelength | nm | 1300~1324 | ||||||
| Zero dispersion slope | ps/(nm2.km) | ≤0.090 | ||||||
| Dispersion at 1288-1339nm | ps/(nm.km) | ≤3.5 | ||||||
| Dispersion at 1271-1360nm | ps/(nm.km) | ≤5.3 | ||||||
| Dispersion at 1550nm | ps/(nm.km) | ≤18 | ||||||
| PMD | ps/ km | ≤0.2 | ||||||
| Cut-off wavelength(λcc) | nm | ≤1260 | ||||||
| Macro-bend Loss | ||||||||
| R15mm/10turns/1550nm | dB | ≤0.25 | ||||||
| R10mm/1turn/1550nm | dB | ≤0.75 | ||||||
| R7.5mm/1turn/1550nm | dB | — | ||||||
| R15mm/10turns/1625nm | dB | ≤0.1 | ||||||
| R10mm/1turn/1625nm | dB | ≤1.5 | ||||||
| R7.5mm/1turn/1625nm | dB | — | ||||||
| Geometric Performance | ||||||||
| Mode field diameter at 1310nm | μm | (8.6~9.2)±0.4 | ||||||
| Cladding diameter | μm | 125±0.7 | ||||||
| Core/Cladding Concentricity Error | μm | ≤0.5 | ||||||
| Cladding Non-Circularity | % | ≤1 | ||||||
| Coating diameter(uncolored) | μm | 243±7 | ||||||
| Cladding/Coating Concentricity Error | μm | ≤12.5 | ||||||
| Mechanical Performance | ||||||||
| Proof test level | % | ≥1.0 | ||||||
| Fiber Strength | 10m, Weibull lowest probability level:2.76GPa(15%) | |||||||
| Dynamic corrosion parameter nd | ≥20 | |||||||
| Curl radius | m | ≥4 | ||||||
| Strip force | Average value | N | 1~5 | |||||
| Peak value | 1.3~8.9 | |||||||
| Environment Performance | ||||||||
| Temperature performance(-60~+85ºC) | Additional attenuation ≤0.05dB/km is allowed at 1310nm and 1550nm. |
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| Immersing performance(23±2ºC, 30days) | ||||||||
| Humidity and heat performance (85±2ºC,humidity degree over 85%,30days) |
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| Heat aging performance(85±2ºC, 30days) | ||||||||
