Shanghai Gengyun Industrial Co., Ltd
The low loss G.657.A2 single mode fiber cable G.657.A2 complies with ITU-T recommendations G.652.D and G.657.A1. Which also meet IEC international standard 60793-2-50 B.1.3 fiber specifications.
The fiber is manufactured using advanced VAD technology and has extremely fine refractive index distribution control. At the same time, FTTH Single-mode Fiber Optic Cable has excellent geometric performance and low attenuation characteristics.
Features
- Excellent geometric characteristics;
- Precise refractive index distribution control;
- G.657.A2 fiber optic Support long-distance network communication;
- Single mode fiber optic Complies with or exceeds the ITU-T Recommendation G.652.D and the IEC International Standard 60793-2-50 type B.1.3 Optical Fiber Specifications;
- Low attenuation;
Application
- Mainly used for FTTH Applications;
- ELV fiber application;
- LAN & WAN networking;
- Security System;
- Optical fiber sensors;
Technology Parameters
| Hydrogen Optical Properties | ||
| Fiber Type | Single mode,Silica | |
| Attenuation @1310nm @1383nm(After hydrogen aging) @1490nm @1550nm @1625nm |
dB/km | ≤0.36 ≤0.36 ≤0.25 ≤0.22 ≤0.24 |
| Zero dispersion wavelength | nm | 1300~1324 |
| Zero dispersion slope | ps/(nm².km) | ≤0.092 |
| Cable cutoff wavelength λ cc | nm | ≤1260 |
| Mold field diameter(MFD) @1310nm @1550nm |
μm | (8.6-8.8)±0.4 (9.6-9.8)±0.5 |
| Geometric characteristics | |||
| Cladding diameter | μm | 125.0±0.7 | |
| Cladding non circularity | % | ≤0.7 | |
| Coating diameter | μm | 245±5 | |
| Coating/Cladding concentricity error | μm | ≤12.0 | |
| Core/clad concentricity error | μm | ≤0.5 | |
| Warpage degree (radius) | m | ≥4 | |
| Mechanical characteristics | |||
| Screening tension | off-line | N % kpsi |
≥8.6 ≥1.0 ≥100 |
| Macro bend additional attenuation | |||
| 1 circle, 15mm | @1550nm | dB | ≤0.5 |
| 1 circle: 15mm | @1625nm | dB | ≤1.0 |
| 1 circle, 20mm | @1550nm | dB | ≤0.1 |