Fiber type：G.657.A2 (200μm)
FUTONG bending insensitive G.657.A2-200um single-mode fiber comply with G.657.a2 standard recommended by I-TUT B6a2 standard recommended by IEC. It acquires the outstanding characteristics of G.657.A2 with smaller size, which helps to reduce the size and weight of optical cable
Optical fiber structure characteristics | Unit | Requirement |
Cladding diameter | μm | 125±0.7 |
Cladding non-circularity | % | ≤0.8 |
Core/Cladding concentricity error | μm | ≤0.5 |
Primary coating diameter | μm | 155±5 |
Second coating diameter | μm | 200±10 |
Excentric core | % | ≥70 |
Cladding / coating concentricity error | μm | ≤10.0 |
MFD(1310nm) | μm | 8.6±0.4 | |
Cut-off wavelengths λc | μm | 1.18~1.33 | |
Attenuation coefficient | 1310nm | dB/km | ≤0.35 |
1383nm | dB/km | ≤0.33 | |
1550nm | dB/km | ≤0.21 | |
1625nm | dB/km | ≤0.24 | |
Macro bending loss | Bending radius | mm | 15 |
Circle number | Mm | 10 | |
1550nm,max. | dB | 0.03 | |
1625nm,max. | dB | 0.1 | |
Attenuation wavelength characteristics | 1285nm～1330nm | dB/km | ≤0.03 |
1525nm～1575nm | dB/km | ≤0.02 | |
Attenuation point discontinuity 1310nm 1383nm 1550nm 1625nm | dB |
≤0.015 ≤0.03 ≤0.03 ≤0.03 | |
Dispersion coefficient, 1288nm~1339nm | ps/nm.k | |D|≤5.3 | |
Dispersion coefficient, 1271nm~1360nm | ps/nm.k | |D|≤3.4 | |
Dispersion,1550nm | ps/nm.k | ≤17.5 | |
Zero dispersion wavelength | nm | 1300~1322 | |
Zero dispersion slope | ps/nm2.k | ≤0.091 | |
PMD(Fiber link value-uncabled) | ps/km1/2 | ≤0.2 | |
Optical fiber mechanical properties: | Unit | Requirement |
Proof test | GPa | ≥0.79 |
Bending radius | m | ≥5.0 |
Torsion | Turns | ≤0.5 |
Dynamic fatigue parameters | nd | ≥20 |
Coating peel force | N | 1.3≤FPeak ≤8.9 |
Optical fiber environment performance | ||
Temperature cycling test : from -60℃ to 85℃ | dB/km | ≤0.03 |
Watersoak test: at 23℃, for 30 days | dB/km | ≤0.03 |
Damp heat test: at 85℃ and 85% RH, for 30 days | dB/km | ≤0.03 |
Dry heat aging test: at 85℃ | dB/km | ≤0.03 |
Hot Tags: g.657a2-200um, G.654E, G.657A1 Compatible G.652D, G 657A2, Single Mode Optical Fiber, Optical Fiber, G.657A2-200um
