Bare Single-Mode G652D/G657/G654 Bend-Optimized Low Loss Optical Fiber
Bending Insensitive Single-mode Fibre
• All types of fibre cables with different structures
• High performance optical network operating in O-E-S-C-L band
• High speed optical routes for Fibre-to-the-Home networks
• Cables with extreme low bending requirements
• Small-sized fibre cable and optical component
Applications
Specifications (G657A2) |
Characteristics |
Conditions |
Specified values |
Units |
Optical Characteristics |
Attenuation |
1310nm |
≤0.35 |
[dB/km] |
1383nm(after H2-aging) |
≤0.35 |
[dB/km] |
1460nm |
≤0.25 |
[dB/km] |
1490nm |
≤0.23 |
[dB/km] |
1550nm |
≤0.21 |
[dB/km] |
1625nm |
≤0.23 |
[dB/km] |
Attenuation vs. Wavelength |
1285-1330nm, in reference to 1310nm |
≤0.03 |
[dB/km] |
Max. α difference |
1525-1575nm, in reference to 1550nm |
≤0.02 |
[dB/km] |
Zero Dispersion Wavelength(λ0) |
-- |
1300-1324 |
[nm] |
Zero Dispersion Slope(S0) |
-- |
≤0.092 |
[ps/(nm2·km)] |
P M D |
Maximum Individual Fibre |
-- |
≤0.1 |
[ps/√km] |
Link Design Value(M=20,Q=0.01%) |
-- |
≤0.06 |
[ps/√km] |
Typical Value |
-- |
0.04 |
[ps/√km] |
Cable Cutoff Wavelength (λCC) |
-- |
≤1260 |
[nm] |
Mode Field Diameter(MFD) |
1310nm |
8.4-9.2 |
[μm] |
1550nm |
9.3-10.3 |
[μm] |
Effective Group Index of Refraction(Neff ) |
1310nm |
1.466 |
-- |
1550nm |
1.467 |
-- |
Point Discontinuities |
1310nm |
≤0.05 |
[dB] |
1550nm |
≤0.05 |
[dB] |
Geometrical Characteristics |
Cladding Diameter |
-- |
125.0±0.7 |
[μm] |
Cladding Non-Circularity |
-- |
≤0.7 |
[%] |
Coating Diameter |
-- |
235-245 |
[μm] |
Coating-Cladding Concentricity Error |
-- |
≤12.0 |
[μm] |
Coating Non-Circularity |
-- |
≤6.0 |
[%] |
Core-Cladding Concentricity Error |
-- |
≤0.5 |
[μm] |
Curl(radius) |
-- |
≥4 |
[m] |
Delivery Length |
-- |
Up to 50.4 |
[km/reel] |
Environmental Characteristics |
1310nm, 1550nm & 1625nm |
Temperature Dependence Induced Attenuation |
-60ºC to +85ºC |
≤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 |
85ºC, for 30 days |
≤0.05 |
[dB/km] |
Mechanical Specification |
Proof Test |
-- |
≥9.0 |
[N] |
-- |
≥1.0 |
[%] |
-- |
≥100 |
[kpsi] |
Macro-bend Induced Attenuation |
10 Turns Around a Mandrel of 15 mm Radius |
1550nm |
≤0.03 |
[dB] |
10 Turns Around a Mandrel of 15 mm Radius |
1625nm |
≤0.1 |
[dB] |
1 Turn Around a Mandrel of 10 mm Radius |
1550nm |
≤0.1 |
[dB] |
1 Turn Around a Mandrel of 10 mm Radius |
1625nm |
≤0.2 |
[dB] |
1 Turn Around a Mandrel of 7.5 mm Radius |
1550nm |
≤0.5 |
[dB] |
1 Turn Around a Mandrel of 7.5 mm Radius |
1625nm |
≤1.0 |
[dB] |
Coating Strip Force |
typical average force |
1.5 |
[N] |
peak force |
1.3-8.9 |
[N] |
Dynamic Fatigue Parameter(nd) |
-- |
≥20 |
-- |

