| At 1310 nm |
≤0.34 dB/km |
| At 1550 nm |
≤0.20 dB/km |
| At 1285-1330 nm |
≤0.37 dB/km |
| Between 1525-1625 nm |
≤0.24 dB/km |
| Between 1360-1480 nm |
≤0.32 dB/km |
Attenuation discontinuties |
≤0.05 dB |
| at 1310/1550 |
|
| After Hydrogen Aging Test |
≤0.32 dB/km |
| Cutoff wavelength |
≤1340nm |
| Mode field diameter |
8.60±0.4 μm at 1310 nm |
| | 10.4 ±0.5 μm at 1550 nm |
| Chromatic Dispersion |
|
| At 1270-1340 nm |
≤5.3 ps/nm.km |
| At 1285-1330 nm |
≤3.5 ps/nm.km |
| At 1550 nm |
≤18.0 ps/nm.km |
| Zero dispersion wavelength |
1302-1322 nm |
| Zero dispersion slope |
≤0.092 ps/nm2.km |
| Polarization Mode Dispersion |
≤0.20 ps/√ km |
Geometries |
| Cladding Diameter |
125 ±0.7μm |
| Core Clad Concentricity Error |
≤0.5 μm |
| Cladding Non-Clarcularity |
≤1.0% |
| Coating Diameter |
245±7 μm |
| Coating - Cladding Concentricity Error |
≤10 μm |
| Fibre Curl |
≥ 4 m radius of curvature |
Mechancial Characteristics |
| Proof Test |
>0.7Gpa |
| Strip ability force to remove Second coating fibre |
≥1.3N and ≤5.0 N |
| |
|
| Dynamic Tensile Strength |
|
| Unaged |
> 550 Kpsi (3.8 Gpa) |
| Aged (Aged at 850C,95%RH for 30 days) |
> 440 Kpsi (3.0 Gpa) |
| Dynamic Fatigue Parameter |
≥ 20 |
| Static Fatigue Parameter |
≥ 20 |
Micro Bending Loss |
| The change in atention due to 10 turn of fibre wrapped at 30mm diameter mandrel shall be less than 0.10 dB at 1550nm.
The change in attenuation due to 10 turns of fibre wrapped at 30 mm diameter mandrel shall be less than 0.20 dB at 1625 nm. The change in attenuation due to 1 turn of fibre wrapped at 20nm diamter mandrel shall be less than 0.30 bB at 1550 nm |
Environmental Characteristics |
| Temparture Depencence of Attenuation Induced attenuation at -600C to +850C |
≤ 0.05 dB/km at 1310/1550 nm |
| |
|
| Temperature Humidity Cycling Induced attenuation at - 100C to 850C, 95%RH |
≤ 0.05 dB/km at 1310/1550 nm |
| |
|
| Water Immersion |
≤ 0.05 dB/km at 1310/1550 nm |
| Induced attenuation due to water immersion at 23 ± 2 0C |
|
| Heat Aging |
≤ 0.05 dB/km at 1310/1550 nm |
| Induced attenuation due to heat aging at + 85 ±20C |
|
Material Properties |
| Fibre Glass |
|
| Renfraactive index profile |
Core: Refer |
| |
Cladding: Matched cladding |
| Glass Composition |
Core: Germania (Ge O2 ) doped Silica (SiO2 |
| |
Cladding: Silica (SiO2 ) |
| Primary Coating |
2 Layers of UV curable resion |
Shipping Information |
| Reel Dimension |
AKSH provides the fibre with following tpye of reel. |
| |
Max. fibre length: 25.2km |
| Flange |
Diameter: 234.95mm |
| |
Traverse Width 95mm |
| |
Bore Diameter 25.45mm |
| |
Barrel Diameter: 152.4mm |
| Reel Length |
The reel length is between 2.1 km and 25.2km with the length distribution as follows |
| |
Length distribution |
| |
25.2km ≥ 80% |
| |
12.6 & above ≤20% |
| |
The actual length of each reel shall be more than or equal to contract length |
| Reel Identification |
The lebel with ID number, barcode of ID number, attenuation at 1310 nm and 1550nm, AKSH product code and fibre length shall be attached on each reel. |
Test Report |
| Test report for each shipment shall be submitted to the customer in the form of data sheet. Test report shall consist of product name, AKSH product code, ID number and the following measured values. |
1.Length
2.Attenuation at 1310 nm,1383 nm,1550 nm and 1625nm.
3.Cladding Diameter
4.Core concentricity error
5.Cladding non circularity
6.Coating Diameter
7.Chromatic Dispersion at 1270-1340 nm
8.Chromatic Dispersion at 1285-1330 nm
9.Chromatic Dispersion at 1550nm
10.Zero dispersion wavelength
11.Zero dispersion slope
12.Cutoff wavelength
13.Mode field diameter
14.Fibre Curl
15. PMD at 1310 and 1550 nm |
|
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