ZTO G654E Ultra Low Loss and Large Effective Area Fibre
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Description
G. 654 fiber is a single-mode fiber with a pure silica core, designed to minimize loss at a wavelength of 1550 nm. It was developed in the mid-1980s for long-distance submarine optical fiber systems, as it offers about 10% less loss than G. 652 fiber at this wavelength.
Specifications
|
Characteristics |
Conditions | Specified values | Units | |||
|---|---|---|---|---|---|---|
|
Optical Specifications |
||||||
|
Nominal Effective Area |
1550nm |
110 |
125 |
[μm2] |
||
|
Mode Field Diameter |
1550nm |
11.4-12.2 | 12.0-13.0 |
[μm] |
||
|
Attenuation |
1550nm |
≤0.17 |
[dB/km] |
|||
|
1625nm |
≤0.20 |
[dB/km] |
||||
|
Attenuation vs. Wavelength Max. α difference |
1525-1575nm, in reference to 1550nm |
≤0.02 |
[dB/km] |
|||
| 1550-1625nm, in reference to 1550nm |
≤0.03 |
[dB/km] |
||||
|
Dispersion Coefficient |
1550nm |
≤23 |
[ps/nm·km] |
|||
|
1625nm |
≤27 |
[ps/nm·km] |
||||
|
Dispersion Slope |
1550nm |
0.050-0.070 |
[ps/nm2·km] |
|||
|
PMD |
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) |
— |
≤ 1520 |
[nm] |
|||
|
Effective Group Index of Refraction |
1550nm |
1.463 |
1.465 |
— |
||
|
Point Discontinuities |
1550nm |
≤0.05 |
[dB] |
|||
|
Geometrical Specifications |
||||||
|
Cladding Diameter |
— |
125.0±1.0 |
[μm] |
|||
|
Cladding Non-Circularity |
— |
≤1.0 |
[%] |
|||
|
Coating Diameter |
— |
235-255 |
[μm] |
|||
|
Coating-Cladding Concentricity |
— |
≤12 |
[μm] |
|||
|
Coating Non-Circularity |
— |
≤6 |
[%] |
|||
|
Core-Cladding Concentricity |
— |
≤0.6 |
[μm] |
|||
|
Fibre Curl(Radius) |
— |
≥4 |
[m] |
|||
|
Delivery Length1 |
— |
Up to 25.2 |
[km/reel] |
|||
|
Environmental Specifications @1550nm & 1625nm |
||||||
|
Temperature Dependence |
-60℃ to +85℃ |
≤0.05 |
[dB/km] |
|||
|
Temperature-Humidity Cycling |
-10°C to +85°C, 98% RH |
≤0.05 |
[dB/km] |
|||
|
Water Immersion |
23°C，for 30 days |
≤0.05 |
[dB/km] |
|||
|
Damp Heat |
85°C , 85% RH，for 30 days |
≤0.05 |
[dB/km] |
|||
|
Heat Aging |
85℃，30 days |
≤0.05 |
[dB/km] |
|||
|
Mechanical Specifications |
||||||
|
Proof Test2 |
— |
≥9.0 |
[N] |
|||
|
— |
≥1.0 |
[%] |
||||
|
— |
≥100 |
[kpsi] |
||||
| Macro-bend Induced Loss | 100 Turns Around a Mandrel of 30 mm Radius |
1550nm |
≤0.10 |
[dB] |
||
|
1625nm |
≤0.10 |
[dB] |
||||
|
Coating Strip Force |
typical average force |
1.5 |
[N] |
|||
|
peak force |
1.3-8.9 |
[N] |
||||
|
Dynamic Fatigue Parameter(nd) |
— |
≥20 |
— |
|||
